2150EX Area Velocity
Flow Module
Installation and Operation Guide
Part #69-2003-347 of Assembly #60-2004-347
Copyright © 2004. All rights reserved, Teledyne Isco, Inc.
Revision K, May 1, 2007
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Foreword
This instruction manual is designed to help you gain a thorough understanding of the
operation of the equipment. Teledyne Isco recommends that you read this manual
completely before placing the equipment in service.
Although Teledyne Isco designs reliability into all equipment, there is always the possi-
bility of a malfunction. This manual may help in diagnosing and repairing the malfunc-
tion.
If the problem persists, call or e-mail the Teledyne Isco Technical Service Department
for assistance. Simple difficulties can often be diagnosed over the phone.
If it is necessary to return the equipment to the factory for service, please follow the
shipping instructions provided by the Customer Service Department, including the
use of the Return Authorization Number specified. Be sure to include a note
describing the malfunction. This will aid in the prompt repair and return of the
equipment.
Teledyne Isco welcomes suggestions that would improve the information presented in
this manual or enhance the operation of the equipment itself.
Teledyne Isco is continually improving its products and reserves the right to
change product specifications, replacement parts, schematics, and instruc-
tions without notice.
Contact Information
Customer Service
Phone:
(800) 228-4373
(402) 464-0231
(402) 465-3022
(USA, Canada, Mexico)
(Outside North America)
Fax:
Email:
IscoCSR@teledyne.com
Technical Service
Phone:
(800) 775-2965
(800) 228-4373
(Analytical)
(Samplers and Flow Meters)
Email:
IscoService@teledyne.com
Return equipment to: 4700 Superior Street, Lincoln, NE 68504-1398
Other Correspondence
Mail to:
P.O. Box 82531, Lincoln, NE 68501-2531
IscoInfo@teledyne.com
Email:
Revised September 15, 2005
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2150EX Area Velocity Flow System
Safety Information
2150EX Area Velocity Flow System
Safety Information
General Warnings
Before installing, operating, or maintaining this equipment, you
should read this entire manual. While specific hazards may vary
according to location and application, it is still helpful to read
this safety section (which is specific to the 2150EX) and the
general safety information contained in Appendix E. If you have
any questions regarding the equipment or its installation,
contact Teledyne Isco or one of its representatives for assistance.
This manual has been created in compliance with general
requirements for equipment installed in potentially explosive
atmospheres (refer to Clause 28 of EN 50014:1997).
WARNING
Avoid hazardous practices! If you use this instrument in
any way not specified in this manual, the protection
provided by the instrument may be impaired; this will
increase your risk of injury.
WARNING
Intrinsic safety is dependent on proper installation in
accordance with IEC 60079-14 and IEC 60079-17
International Standards, or ATEX Group II, Category 1G
requirements of the authority that has jurisdiction for the
installation of equipment in hazardous areas at your
specific installation site. Installation should be performed
only by trained and qualified personnel.
Hazard Severity Levels
This manual applies Hazard Severity Levels to the safety alerts,
These three levels are described in the sample alerts below.
CAUTION
Cautions identify a potential hazard, which if not avoided, may
result in minor or moderate injury. This category can also warn
you of unsafe practices, or conditions that may cause property
damage.
WARNING
Warnings identify a potentially hazardous condition, which
if not avoided, could result in death or serious injury.
DANGER
DANGER – limited to the most extreme situations
to identify an imminent hazard, which if not
avoided, will result in death or serious injury.
5
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2150EX Area Velocity Flow System
Safety Information
Hazard Symbols
The equipment and this manual use symbols to warn of hazards.
The symbols are explained below.
Hazard Symbols
Warnings and Cautions
The exclamation point within the triangle is a warning sign alerting you of
important instructions in the instrument’s manual.
The lightning flash and arrowhead within the triangle is a warning sign alert-
ing you of “dangerous voltage” inside the product.
Symboles de sécurité
Ce symbole signale l’existence d’instructions importantes relatives au pro-
duit dans ce manuel.
Ce symbole signale la présence d’un danger d’électocution.
Warnungen und Vorsichtshinweise
Das Ausrufezeichen in Dreieck ist ein Warnzeichen, das Sie darauf
aufmerksam macht, daß wichtige Anleitungen zu diesem Handbuch
gehören.
Der gepfeilte Blitz im Dreieck ist ein Warnzeichen, das Sei vor “gefährlichen
Spannungen” im Inneren des Produkts warnt.
Advertencias y Precauciones
Esta señal le advierte sobre la importancia de las instrucciones del manual
que acompañan a este producto.
Esta señal alerta sobre la presencia de alto voltaje en el interior del pro-
ducto.
2150EX Safety
Information
The intrinsically safe 2150EX is intended for use in potentially
explosive atmospheres, and complies with ATEX Directive
94/9/EC. The 2150EX is Group II, Category 1G equipment for use
in gas hazard zones 0, 1, and 2.
The equipment is not designed with dust ignition protection for
dust hazard zones 20, 21, or 22.
6
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2150EX Area Velocity Flow System
Safety Information
2150EX Module Connected to
2191EX Battery Module and AV2150EX Sensor
Installation should be completed with adherence to local require-
ments for ATEX Group II, Category 1G or 2G equipment as
appropriate, and should be done by trained and qualified per-
sonnel.
Designed for safety
The purpose of intrinsic safety is to limit the energy available to
a given circuit or device to a level where electrical discharge
(sparking) cannot ignite the hazardous (flammable or explosive)
atmosphere. With no spark ignition possible, safe operation of
the equipment in areas with hazardous atmospheres is possible.
The durable 2150EX, 2191EX, 2196EX, and 2194EX enclosures
are made with ABS plastic embedded with conductive carbon
fiber, giving the units low surface resistance to minimize electro-
static energy.
The lithium thionyl chloride batteries and the lead acid batteries
used in the 2191EX Battery Module operate at a low voltage and
are contained in sealed battery packs.
The 2150EX system has been designed so that it does not cause
physical injury or other harm due to contact. It does not produce
excessive surface temperature or dangerous radiation. When
used properly, it does not present any non-electrical dangers.
7
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2150EX Area Velocity Flow System
Safety Information
Labels
Read all labels carefully before installing the equipment!
The 2150EX and its components are clearly labeled with color
and/or text so you know what can be located in a safe or haz-
ardous area (see figure below). For example, on the label shown
below, light blue is used to indicate the intrinsically safe end and
yellow to indicate the non-protected end of the cable and con-
nector.
Example of Safe and Hazardous Area Labeling on RS232EX Cable
Some system components have an X marking, as shown in the
example below. The X marking indicates that there are special
conditions that must be met to ensure intrinsic safety. In the case
of the sensor cable, there is a danger of static electricity. The
cable is labeled with a warning telling you that you should not
rub the sensor with a dry cloth, as this might generate static
electricity.
WARNING
ELECTROSTATIC HAZARD
DO NOT RUB
CLEAN WITH DAMP CLOTH ONLY
X-Marking
AV2150EX Sensor Cable Labels
8
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2150EX Area Velocity Flow System
Safety Information
Where applicable, the labels contain other information, such as
voltage, serial number identification, etc. For example, the label
shown below indicates the maximum input voltage (U ), input
i
current (I ), and input power (P ) that can be applied to the
i
i
2150EX network port without invalidating intrinsic safety. It
also shows the internal capacitance (C ), and internal inductance
i
(L ) that must be allowed by any power source.
i
Example of 2150EX Label
When you compare the 2150EX label in the figure above with the
2191EX label in the figure below, you can see they provide a
helpful reference so you can make sure your connections are safe.
Example of 2191EX Label
For example, the 2150EX network port cannot have an input
voltage greater than 9.282V. When you look at the label on the
power source (in this case the 2191EX), you can see that the
maximum output voltage is 9.282V. From this you know that you
can safely connect the two, and won’t be providing too much
voltage to the 2150EX unit.
Note
This information is not intended to fully explain entity parame-
ters. Other publications should be referenced for more detailed
explanations.
9
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2150EX Area Velocity Flow System
Safety Information
Installation
Installation of the 2150EX system is described in this manual.
Typical round-pipe installations are shown in Figures 2-1 and
2-2, and Appendix E provides information on general safety pro-
cedures for work in manholes and sewers.
When the equipment is installed in accordance with the instruc-
tions in this manual, it will not be subjected to dangerous
mechanical or thermal stresses. It should not be installed where
it may be attacked by existing or foreseeable aggressive sub-
stances that could damage the module enclosures. The enclo-
sures are made of Acrylonitrile Butadiene Stytene (ABS) plastic.
Substances that may cause damage include organic solvents
(ketones and esters, aromatic and chlorinated hydrocarbons),
alcohols, hydrocarbons, fuels, and UV radiation.
Repair and Maintenance
Refer to Section 4 of this manual for instructions regarding
periodic maintenance of the 2150EX and its components.
Teledyne Isco, Inc.
Technical Service Dept.
P.O. Box 82531
The internal components of the 2150EX System are not user-ser-
viceable. The case is completely sealed to protect the internal
components. If you think your module requires repair, contact
Teledyne Isco’s Technical Service Department.
Lincoln, NE 68501 USA
Phone: (800) 228-4373
(402) 464-0231
Rapidly failing desiccant may indicate a crack.
FAX: (402) 465-3085
WARNING
E-mail:
IscoService@teledyne.com
Any cracks in the module case will impair the safety
protection. If this occurs, return the unit to Teledyne Isco
for a replacement.
Components of the AV2150EX Sensor are encapsulated in plastic
resin and are not user-serviceable. If any part of the AV Sensor
fails, it must be replaced.
10
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2150EX Area Velocity Flow System
Table of Contents
1.1 Product Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.1.2 Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.1.3 Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.1.4 Flow Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.1.5 Total Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.1.6 Data Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.2 Identifying Module Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1.3 Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
2.1 Unpacking Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Preparing for Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.2.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.2.2 Locating the Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.2.3 Channels Without a Primary Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.2.4 Channels With a Primary Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.3 Site Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.4 Portable Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.4.1 Installation Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.4.2 Install Battery Module Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.4.3 Inspect the Desiccant – Battery Module . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2.4.4 Inspect the Desiccant – 2150EX Module . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2.4.5 Assembling the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.4.6 Zone 1 Battery Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
2.5 Permanent Installations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2.5.1 Installation Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2.6 Network Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2.6.1 EX Network Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
2.7 Connecting the AV2150EX Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
2.7.1 Positioning the AV Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2.8 Mounting Rings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
2.8.1 Spring Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
2.8.2 Scissors Mounting Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
2.8.3 Completing the AV Sensor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
2.9 Final Installation Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
2.9.1 Program the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
3.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 Flowlink Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2.1 Site Configuration Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
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2150EX Area Velocity Flow System
Table of Contents
3.3 Program Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3.1 Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.3.2 Zero Level Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
3.3.3 No Velocity Data and Flow Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3.3.4 Flow Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3.3.5 Silt Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.3.6 Data Storage Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3.3.7 Site Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3.3.8 Module Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
4.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2.1 Establishing Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.2.2 Module Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.3 Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4.4 Glossary of Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.5 Common Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4.6 Register Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
5.1 Maintenance Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.2 Maintenance Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.3 2191EX Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.3.1 LTC2191EX Lithium Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.3.2 SLA2191EX Lead-Acid Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5.4 Desiccant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.4.1 Replacing the Desiccant: AV Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.4.2 Replacing the Desiccant: Battery Module . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.4.3 Reactivating the Desiccant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.5 Channel Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.6 Other Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.6.1 Hydrophobic Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5.6.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5.6.3 Sensor Cable Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.7 How to Obtain Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.7.1 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
A.1 Replacement Parts Diagrams and Listings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
B.1 How to Order. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
B.2 General Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
B.3 Maintenance Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
B.4 AV Sensor Mounting Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
C.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
D.1 Hazards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1
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2150EX Area Velocity Flow System
Table of Contents
D.2 Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2
D.3 Adverse Atmospheres. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2
D.4 Entering Manholes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2
D.4.1 Traffic Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-3
D.4.2 Removing the Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-3
D.4.3 Other Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-3
D.4.4 Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-4
D.4.5 Field Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-4
D.5 Lethal Atmospheres in Sewers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-4
List of Figures
1-1 2150EX - Top and Bottom Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1-2 2150EX Connected to 2191EX- Top Right View . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1-3 Components – AV2150EX Area Velocity Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1-4 2191EX and 2196EX Battery Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
2-1 Typical Round-pipe Installation Connected to a
2-2 Typical Round-pipe Installation Connected to a
2-3 Typical Round-pipe Installation Connected to a
(Permanent Installation, see section 2.5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2-4 Illustration of Battery Packs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2-6 Assembling a basic portable system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2-7 Flowlink low-voltage warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2-8 Location of 2196EX charging terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2-9 Detailed view of charging circuit board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2-10 2196EX battery module and labeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2-12 2194EX labels and cable connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2-13 Network cable connector and wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2-14 Network cable conduit fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2-15 Wiring the socket insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2-19 Connecting the AV Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
2-20 AV2150EX Sensor Cable Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
2-21 Sensor Installed on a Spring Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
2-22 Scissors Ring adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
3-2 Preferred Measurement Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3-3 Zero Level Offset Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
4-1 Configuration Example (Direct Connection Shown) . . . . . . . . . . . . . . . . . . . . . . . 4-3
5-1 Illustration of LTC2191EX Battery Packs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5-2 SLA2191EX Battery Pack Voltage Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5-5 Illustration of Battery Packs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
13
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2150EX Area Velocity Flow System
Table of Contents
List of Tables
1-3 Components – AV2150EX Area Velocity Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1-4 Battery Components - 2191EX and 2196EX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1-5 Technical Specifications – 2150EX and 2191EX Modules
(Zones 0, 1, and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1-6 Technical Specifications - 2196EX Battery Module
(Zones 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
1-7 Technical Specifications - 2194EX Interface Module
(Associated Apparatus) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
1-8 Specifications – AV2150EX Area Velocity Sensor
(Zones 0, 1, and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
1-9 Communication Connector Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
3-1 Flow Conversion Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
4-1 Modbus ASCII Address 1 Register Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4-2 Modbus ASCII Address 2-(N+1) Register Definitions . . . . . . . . . . . . . . . . . . . . . . 4-7
4-3 Measurement Parameters by Model Number* . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
D-1 Hazardous Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-7
14
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2150EX Area Velocity Flow Module
Section 1 Introduction
1.1 Product Description
The 2150EX Area Velocity Flow Module is part of Isco’s 2100
Series. The 2100 Series measures parameters of open channel
flow streams.
The intrinsically safe 2150EX is intended for use in potentially
explosive atmospheres, and complies with ATEX Directive
94/9/EC. The 2150EX is Group II, Category 1G or 2G equipment
as appropriate for use in Hazardous Zones 0, 1, and 2.
The purpose of intrinsic safety is to limit the energy available to
a given circuit or device to a level where electrical discharge
(sparking) cannot ignite the hazardous (flammable or explosive)
atmosphere. With no spark ignition possible, safe operation of
the equipment in areas with potentially explosive atmospheres is
possible.
The standard 2100 Series is designed to be modular so that you
can expand the system by stacking modules to meet your data
collection needs. The 2150EX incorporates this modularity,
allowing up to two 2150EX modules to be stacked on one 2191EX
or 2196EX battery module.
The 2150EX is paired with Isco’s Flowlink software. With this
full-featured application software, you can quickly set up the
module, retrieve measurement data, manage the sites, and
analyze the data, and update the module’s own software, all
without entering the hazardous area.
The module’s data storage memory is quite flexible, able to store
the measurements in intervals from 15 seconds to 24 hours. The
module can also be configured for variable rate data storage.
Variable rates allow you to store data at a different interval
when a programmed condition occurs.
The module’s program and collected data are stored in flash
memory for security. Flash memory retains data without the
concern of power failures or aging backup batteries. Its capacity
is more than sufficient for most applications. The data storage
memory can hold approximately 79,000 readings – the equiv-
alent of nine months of level and velocity data when stored at
fifteen minute intervals. The flash memory also stores sensor
level adjustment information. A separate flash memory device
inside the module stores the operating firmware.
The rugged 2150EX components are rated NEMA 4X, 6P (IP68).
The permanently sealed enclosures are designed to meet the
environmental demands of many sewer flow monitoring applica-
tions. All connections between sensors and communication cables
“lock” in place. Each locking mechanism strongly secures the
components and ensures a watertight seal.
1-1
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2150EX Area Velocity Flow Module
Section 1 Introduction
1.1.1 2150EX Area Velocity
Flow System Overview
The 2150EX measures liquid level and average stream velocity,
and calculates the flow rate and total flow. The liquid level and
velocity measurements are read from an attached Area Velocity
(AV) Sensor that is placed in the flow stream. Flow rate calcula-
tions are performed internally using the measured parameters
from the AV Sensor. Additionally, the 2150EX can measure its
input voltage.
AV Module
The 2150EX is designed to provide durable operation with only a
minimal amount of routine maintenance, all of which may be
performed in the field, while keeping in mind restrictions for
potentially explosive atmospheres. Typically, the 2150EX and its
AV2150EX Sensor will only require that you keep the stream free
from excessive debris, and replace or recharge spent desiccant
and sensor in greater detail.
AV Sensor
1.1.2 Level
The AV Sensor’s internal differential pressure transducer mea-
sures the liquid level. The transducer is a small piezo-resistive
chip that detects the difference of the pressures felt on the inner
and outer face.
reference to
atmosphere
piezo-
resistive
transducer
The stainless steel outer diaphragm is exposed to the flow stream
through the ports under the AV Sensor. The pressure felt on the
outer diaphragm is transferred to the outer face of the trans-
ducer through a silicone fluid medium. The outer diaphragm and
fluid isolate the sensitive transducer from direct exposure to the
stream. The inner face of the transducer is exposed, or refer-
enced, to the atmosphere through the internal vent tube that
runs the full length of the AV Sensor’s cable.
silicone
fluid
outer
diaphragm
The difference between the pressures exerted on the transducer
is the hydrostatic pressure. Hydrostatic pressure is proportional
to the level of the stream. The Isco AV2150EX sensor uses state
of the art techniques to ensure accuracy throughout the environ-
mental operating range. At the factory each sensor is measured
at scores of pressure and temperature levels to precisely charac-
terize the unique transducer. These calibration results are digi-
tally stored within the sensor's flash memory. During readings
the sensor's microcontroller applies the known correction factor
to produce highly accurate level readings.
1.1.3 Velocity
The AV Sensor measures average velocity by using ultrasonic
sound waves and the Doppler effect. The Doppler effect states
that the frequency of a sound wave (or other wave) passed from
one body to another is relative to both their motions. As the two
approach each other, the frequency increases; as they move
apart, the frequency decreases.
Particles or
air bubbles
Ultrasonic
sound waves
The AV Sensor contains a pair of ultrasonic transducers. One
transducer transmits the ultrasonic sound wave. As the trans-
mitted wave travels through the stream, particles and bubbles
carried by the stream reflect the sound wave back towards the
AV Sensor. The second transducer receives the reflected wave.
Flow
1-2
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2150EX Area Velocity Flow Module
Section 1 Introduction
Circuits internal to the module compare the frequencies of the
sound waves and extract the difference. An increase or decrease
in the frequency of the reflected wave indicates forward or
reverse flow. The degree of change is proportional to the velocity
of the flow stream.
1.1.4 Flow Rate
Using measurements from the AV Sensor, the 2150EX can cal-
culate the flow rate. Many different flow rate conversion methods
are supported:
• Area Velocity
• Data Points
• Manning Formula
• Two-term Polynomial Equations
• Flumes
• Weirs
Often the 2150EX is chosen for applications where a primary
device is not available, nor is it practical to install a primary
device. Therefore, area velocity is usually the conversion method
of choice.
The 2150EX is capable of calculating and storing any two con-
version methods simultaneously. This feature is useful when it is
necessary to validate a flow conversion method. For example, the
flow rate at a new site programmed for area velocity conversion
can be directly compared to the flow rate calculated using a
Manning formula.
1.1.5 Total Flow
The 2150EX can calculate and report the total flow. You can set
up the system to monitor net, positive, or negative total flow from
either of the calculated flow rates.
1.1.6 Data Storage
Through Flowlink, you configure which type of data is logged and
the storage rate. For each measurement, the Data Storage Setup
window lets you turn the primary rate off, or select a rate from 15
seconds to once every 24 hours. If the primary rate is turned off,
the 2150EX will not store the measurement (unless a secondary
rate is selected). However, the 2150EX will still take readings if
that measurement type is necessary for a calculation.
Secondary rates are used to log data at a different rate when a
user-defined condition exists. For example, a secondary rate can
be used to increase the level and velocity data storage rate when
level is greater than or equal to a point of interest. Secondary
rates give you the best resolution of data, but only when it is
needed. Until the condition is met, the module will conserve
power and memory by storing the data at the primary storage
rate. Like the primary rate, you can turn the secondary rate off,
or select a storage rate of 15 seconds to every 24 hours.
Time Resolution
The time resolution of each measurement is one second. That is,
readings are taken at the same time as the time stamp, not col-
lected and averaged over a period of time before the stamp.
1-3
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2150EX Area Velocity Flow Module
Section 1 Introduction
Rollover Memory
Whether the measurements are stored at the primary or sec-
ondary rate, they are stored in a rollover type of memory. When
full, the module overwrites the oldest data with the newest
readings.
1.2 Identifying Module
Components
The various components of the 2150EX are shown in Figures 1-1
through 1-4. Items referenced in the figures are described in
Tables 1-1 through 1-4.
Top View
3
2
1
5
Bottom View
4
6
7
Figure 1-1 2150EX - Top and Bottom Views
Table 1-1 2150EX Area Velocity Flow Module - Top and Bottom Views
Item No. Fig. 2-1 Name
Description
1
2
3
Latch
Latches the module in place. A latch release is located on the
right side of the module.
Communication Connector Upper communication port; used to connect to another mod-
(shown uncapped)
ule, or to a PC running Flowlink software.
Connector Cap
(shown in holder)
Insert into unused communication connector to terminate the
network and protect it from moisture damage. When the com-
munication connector is in use, the cap must be stowed in its
holder to protect the terminating components inside the cap.
4
Desiccant Cartridge and
Hydrophobic Filter
The cartridge holds desiccant that dries the reference air. The
filter prevents moisture from entering the reference line.
5
6
Communication Indicator
Illuminates when module communications are active.
Communication Connector Used to connect the module to the 2191EX or 2196EX battery
(shown capped)
module, or to another 2150EX module. When the communica-
tion connector is in use, the cap must be stowed in its holder to
protect the terminating components inside the cap.
7
Cap Holder
Used to store the Connector Cap.
1-4
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2150EX Area Velocity Flow Module
Section 1 Introduction
1
2
3
4
5
Figure 1-2 2150EX Connected to 2191EX- Top Right View
Table 1-2 2150EX Area Velocity Flow Module - Top Right View
Item No.
Fig. 2-2
Name
Description
1
2
Carrying Handle
Used to lift and carry the unit.
Communication Connector
(shown capped)
Upper communication port, used to connect to another module
or to a PC running Flowlink software.
3
4
Cap Holder
Used to store the connector cap.
AV Sensor Receptacle
Port used to attach the AV Sensor. Insert the protective cap
when not in use.
5
2191EX
Used to store battery packs and provide a source of power for
the 2150EX.
1-5
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2150EX Area Velocity Flow Module
Section 1 Introduction
2
1
4
3
Figure 1-3 Components – AV2150EX Area Velocity Sensor
Table 1-3 Components – AV2150EX Area Velocity Sensor
Item No.
Name
Connector Cap
Description
1
Protects the connector. When the connector is not in use, this cap must be in
place to prevent damage to the connector pins and reference air tubing.
2
3
4
Connector
AV Sensor Body
Cable
Attaches to the AV Sensor receptacle on the 2150EX Module.
The AV Sensor Body is placed in the flow stream to measure level and velocity.
10.0 m (32.8 ft) cable containing the reference air tubing and conductors to
transfer level data, velocity data, and AV Sensor power.
1-6
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2150EX Area Velocity Flow Module
Section 1 Introduction
2191EX
2196EX
3
3
2
1
1
Figure 1-4 2191EX and 2196EX Battery Components
Table 1-4 Battery Components - 2191EX and 2196EX
Item No.
Name
Description
The quarter-turn door seals the battery cavity.
1
Battery Door
2191EX: Inside each door is a humidity indicator and a bag of
desiccant to prevent internal moisture damage.
2196EX: The right door has one humidity indicator and bag of
desiccant, while the left door houses the charging circuit board for the
batteries.
2
3
Lithium Battery Pack (2)
or
Lead-Acid Battery Pack (2)
Use only the lithium or lead-acid battery packs supplied by Teledyne
Isco. Operation requires two of either battery type.
Battery Cavity
2191EX: The battery packs are inserted into the battery cavities.
2196EX: The batteries are integral to the module and not removable.
1.3 Technical
Specifications
This section lists technical information about the 2150EX Area
Velocity Flow Module and its related components.
2150EX and 2191EX Modules, and also the battery
packs.
2196EX Zone 1 battery module.
2194EX network interface module.
AV2150EX Area Velocity Sensor.
2150EX’s communication connector.
1-7
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2150EX Area Velocity Flow Module
Section 1 Introduction
Table 1-5 Technical Specifications – 2150EX and 2191EX Modules
(Zones 0, 1, and 2)
Size (H×W×D)
2150EX connected to 2191EX 22.6 × 28.0 × 19.3 cm
8.9 × 11.0 × 7.6 in.
Weight
(without batteries)
(with lithium battery packs)
3.00 kg
4.20 kg
6.6 lb
9.2 lb
15.7 lb
(with lead-acid battery packs) 7.10 kg
Material ABS plastic, stainless steel
NEMA 4X, 6P
Enclosure (self-certified)
Power
IP 68
7.0 to 9.0 VDC, 100 mA typical at 8 VDC, 1 mA standby
Batteries
LTC2191EX lithium or SLA2191EX lead-acid batteries, quantity 2 battery packs
Typical Battery Life (estimated)
Level Velocity
Data Storage Interval
15 minutes
LTC2191EX
Lithium Batteries
49 months
SLA2191EX
Rechargeable Lead-Acid Batteries
(assumes 23°C; actual
performance is affected by
site conditions)
157 days
64 days
5 minutes
2 minutes
21 months
8 months
31 days
1 minute
4 months
18 days
Operating Temperature
-40° to 60°C
-40° to 140°F
(lead-acid battery packs have an operating temperature of -20° to 60°C or -4° to 140°F)
Storage Temperature
Program Memory
-40° to 60°C
-40° to 140°F
Non-volatile, programmable flash; can be updated using PC without opening
enclosure or entering hazardous area; retains user program after updating
Flow Rate Conversions
Level-to-Area Conversions
Channel Shapes
Data Points
Up to 2 independent level-to-area and/or level-to-flow rate conversions
Round, U-shaped, rectangular, trapezoidal, elliptical, with silt correction
Up to 50 level-area points
Level-to-Flow Rate Conversions
Weirs
V-notch, rectangular, Cipolletti, Isco Flow Metering Inserts, Thel-Mar
Parshall, Palmer-Bowlus, Leopold-Lagco, trapezoidal, H, HS, HL
Round, U-shaped, rectangular, trapezoidal
Flumes
Manning Formula
Data Points
Up to 50 level-flow rate points
Equation
2-term polynomial
Total Flow Calculations
Data Storage Memory
Capacity
Up to 2 independent, net, positive or negative, based on either flow rate conversion
Non-volatile flash; retains stored data during program updates
395,000 bytes (up to 79,000 readings, equal to over 270 days of level and velocity
readings at 15 minute intervals, plus total flow and input voltage readings at 24
hour intervals). Bytes per reading is 5.
Data Types
Level, velocity, flow rate 1, flow rate 2, total flow 1, total flow 2, input voltage
Storage Mode
Rollover with variable rate data storage based on level, velocity, flow rate 1, flow
rate 2, total flow 1, total flow 2, or input voltage
Storage Interval
15 or 30 seconds; 1, 2, 5, 15 or 30 minutes; or 1, 2, 4, 12 or 24 hours
Setup and Data Retrieval
Serial connection to IBM PC or compatible computer with Isco Flowlink Software
Version 4.16 or greater
Baud Rate
1-8
38,400
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2150EX Area Velocity Flow Module
Section 1 Introduction
Table 1-6 Technical Specifications - 2196EX Battery Module
(Zones 1 and 2)
14.94 x 23.12 x 19.3 cm
5.77 kg
Size (HxWxD)
5.88 x 9.13 x 7.6 in.
12.71 lb
Weight
Enclosure (self-certified)
Operating and Storage Temperature
Power
NEMA 4X, 6P
IP 68
-40 °C to 60 °C
Output
-40 °F to 140 °F
Nominal: 8 VDC
Maximum: 9.28 VDC
Charger Input
Nominal: 13.5 to 14.7 volts
Absolute Maximum: 20 volts, 2.0A
NOTE:
The serial tag of the 2196EX Module contains important X marking, indicating special safety conditions that must be
Table 1-7 Technical Specifications - 2194EX Interface Module
(Associated Apparatus)
Size (H×W×D)
7.37 x 28.7 x 19.05 cm
9 kg
2.9 x 11.3 x 7.5 in.
2 lb
Weight
Enclosure (self-certified)
Operating Temperature
Storage Temperature
Power
NEMA 4X, 6P
-20 to 60 °C
-40 to 60 °C
IP 68
-4 to 140 °F
-40 to 140 °F
9 to 26.5 VDC (nominal 12 or 24 VDC)
150 mA typical @ 12 VDC
Output 8.8 VDC, nominal
Number of 2150EX flow modules powered:
with 75m interface cable: 2
with 150m interface cable: 1
Communication
NOTE:
Side connector: Isco EX node network compatible explosion protected devices
Top & Bottom connectors: Isco node network / PC compatible
The serial tag of the 2194EX Module contains important X marking, indicating special safety conditions that must
1-9
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2150EX Area Velocity Flow Module
Section 1 Introduction
Table 1-8 Specifications – AV2150EX Area Velocity Sensor
(Zones 0, 1, and 2)
Materials
Sensor
Epoxy, chlorinated polyvinyl chloride (CPVC), stainless steel
Cable
Polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), stainless steel
Size (H×W×D)
Cable Length
1.9 × 3.3 × 15.2 cm
10.0 m
0.75 × 1.31 × 6.00 in.
32.8 ft.
Cable Diameter
Weight (including cable)
Level Measurement
Method
0.9 cm
0.37 in.
1.02 kg
2.24 lbs
Submerged pressure transducer mounted in the flow stream
Differential linear integrated circuit pressure transducer
Transducer Type
1
Range
0.010 to 3.05 m
0.033 to 10 ft.
34 ft.
Maximum Allowable Level 10.5 m
2
Accuracy
0.003 m
0.010 ft
Long Term Stability
0.007 m/yr
-10° to 60°C
0.023 ft/yr
-14° to 140°F
Operating Temperature
Range
Compensated
0° to 50°C
32° to 122°F
Temperature Range
Velocity Measurement
Method
Doppler Ultrasonic
500 kHz
Frequency
Transmission Angle
20° from horizontal
25 mm
Typical Minimum Depth
for Velocity Measurement
0.08 ft.
Range
-1.5 to +6.1 m/s
Velocity
-5 to +20 ft./s
3
Accuracy
Error
-1.5 to +1.5 m/s (-5 to +5 ft./s) 0.03 m/s ( 0.1 ft./s)
1.5 to 6.1 m/s
(5 to 20 ft./s)
2% of reading
Operating Temperature
Range
-40° to 60°C
-40° to 140°F
Temperature Measurement
Accuracy
2°C
NOTES:
1. Actual vertical distance between the area velocity sensor and the liquid surface
2. Maximum non-linearity , hysteresis, and temperature error from actual liquid level
3. In water with a uniform velocity profile and a speed of sound of 1480 m/s (4850 ft./s)
4. The serial tag of the AV2150EX sensor contains important X marking, indicating special safety conditions that must
1-10
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2150EX Area Velocity Flow Module
Section 1 Introduction
G
A
F
E
B
D
C
Communications Port
Figure 1-5 2150EX Area Velocity Flow System Communication Connector Pins
Table 1-9 Communication Connector Pins
Pin
Name
NETA
NETB
VIN+
Description
A
B
C
D
E
F
Network differential transceiver Data A
Network differential transceiver Data B
Positive power supply voltage input (+8 VDC nominal)
Negative power supply voltage input (0 VDC nominal)
PC data receiver RS232 compatible input
PC data transmit RS232 compatible output
Aligns connector pins
VIN–
RCVUP
XMTUP
Key
G
CAUTION
The connector of the interrogator cable and protective cap both
have an alignment key to ensure proper connection. Observe
proper alignment and NEVER reverse the connector. Even a
momentary pin short can cause permanent damage to the bat-
teries.
1-11
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2150EX Area Velocity Flow Module
Section 1 Introduction
1-12
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.1 Unpacking
Instructions
When the system arrives, inspect the outside packing for any
damage. Then carefully inspect the contents for damage. If there
is damage, contact the delivery company and Teledyne Isco (or its
agent) immediately.
WARNING
If there is any evidence that any items may have been
damaged in shipping, do not attempt to install the unit.
Please contact Teledyne Isco (or its agent) for advice.
When you unpack the system, check the items against the
packing list. If any parts are missing, contact the delivery
company and Teledyne Isco’s Customer Service Department.
When you report missing part(s), please indicate them by part
number. In addition to the main packing list, there may be other
packing lists for various sub-components.
Teledyne Isco, Inc.
Customer Service Dept.
P.O. Box 82531
Lincoln, NE 68501 USA
It is recommended that you retain the shipping cartons as they
can be used to ship the unit in the event that it is necessary to
transport the system.
Phone:(800) 228-4373
Outside USA & Canada
call:
(402) 464-0231
Please complete the registration card and return it to Teledyne
Isco, Inc.
FAX: (402) 465-3022
E-mail:
IscoInfo@teledyne.com
2-1
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.2 Preparing for
Installation
A 2150EX flow system may be a portable installation, powered
by a 2191EX or 2196EX battery module (described in Section
2.4), or a permanent installation, powered from the safe area by
WARNING
Intrinsic safety is dependent on proper installation in
accordance with IEC 60079-14 and IEC 60079-17
International Standards, or ATEX Group II, Category 1G or
2G requirements of the authority that has jurisdiction for
the installation of equipment in hazardous areas at your
specific installation site. Installation should be performed
only by trained and qualified personnel.
2.2.1 Safety
WARNING
Avoid hazardous practices! If you use these instruments in
any way not specified in this manual, the protection
provided by the instruments may be impaired; this will
increase your risk of injury.
WARNING
The installation and use of this product may subject you
to hazardous working conditions that can cause you
serious or fatal injuries. Take any necessary precautions
before entering a worksite. Install and operate this product
in accordance with all applicable safety and health
regulations, and local ordinances.
The 2150EX module components are often installed in confined
spaces. Some examples of confined spaces include manholes,
pipelines, digesters, and storage tanks. These spaces may become
hazardous environments that can prove fatal for those unpre-
pared. In the United States, these spaces are governed by OSHA
1910.146 and require a permit before entering.
Read the Safety section at the front of this manual, and the
general safety information in Appendix E.
2.2.2 Locating the Site
The 2150EX is designed to measure flow in open channels with
or without a primary device. A primary device is a hydraulic
structure, such as a weir or a flume that modifies a channel so
there is a known relationship between the liquid level and the
flow rate. Although the 2150EX supports flow rate conversion in
channels with a primary device, its level and velocity mea-
surement capabilities are best suited for channels without a
primary device.
2-2
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Note
Primary devices limit the usefulness of the AV Sensor’s read-
ings. In most cases, levels and velocities near these structures
do not represent what normally occurs in the channel. If you
must use area velocity flow conversion, or if your interest is the
stream’s velocity, do not install the AV Sensor near a primary
device. Move the AV Sensor away to where the flow is unaf-
fected by the primary device.
2.2.3 Channels Without a
Primary Device
When the AV Sensor is installed without a primary device, find a
section of channel with a minimum of disturbances to the flow.
Avoid areas with elbows, outfalls, inverts, junctions, etc. that
create turbulence near the AV Sensor. The AV Sensor should be
located away from these disturbances to a point where the flow
has stabilized. For best results, install the AV Sensor where the
flow is most uniform. Uniform flow is a condition where the
water surface is parallel to the bottom of the channel.
2.2.4 Channels With a
Primary Device
If the AV Sensor is installed in a primary device, its location
depends on the type of primary device. Most primary devices
have a specific place for the head (level) measurement sensor. For
more details about the location of the head measuring point,
refer to the Isco Open Channel Flow Measurement Handbook, or
to information provided by the manufacturer of the primary
device.
Note
When you install the AV Sensor for use within a primary
device, a Level-to-Flow conversion method should be used.
(See Programming, Section 3.)
2.2.5 2150EX and AV Sensor
Mounting
Ideal sites are easily accessible for service and data collection,
while still providing protection for the 2150EX module devices.
The 2150EX module devices are rated NEMA 4X, 6P, and con-
structed of materials that can withstand harsh environments.
However, continual exposure to UV light, or periodic submersion
should be avoided to extend the life of the components.
Considerations
Typically, the 2150EX is suspended inside a manhole. Sus-
pending the 2150EX near the opening will protect it from the ele-
ments, minimize the chance of submersion, and allow it to be
easily retrieved without entering the manhole.
2-3
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.3 Site Examples
items are called out in the illustration and explained below.
details about portable installations, see Section 2.4.
about permanent installations, see Section 2.5.
outside the potentially explosive atmosphere. The computer and
modules communicate with the 2150EX module.
The 2150EX area velocity flow module measures and stores
it is attached to a 2191EX or 2196EX battery module, which
supplies power to the module.
the top of the 2150EX stack and extends to the interface of the
safe and hazardous areas.
nects the computer and the site. The cable supports the data
transfers between the two, and is connected to an EX Network
Cable connected to the top of the 2150EX module.
nects the site with a Field Wizard or other network device. The
cable supports the data transfers between the two, and is con-
nected to an EX Network Cable, connected to the top of the
2150EX module.
via a network interface cable, usually through conduit, to the
2194EX network module, located in the safe area, which
serves as both power supply and network or PC connection.
The AV2150EX sensor cable must be routed carefully without
kinks, coils, or sharp bends, but may be snake-looped and tied.
Any excess cable must be kept out of the channel to prevent
debris from collecting.
The Mounting Ring holds the AV2150EX sensor in place.
The AV2150EX sensor is positioned in the flow stream to
measure liquid level and velocity.
2-4
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Computer running Flowlink
SAFE AREA
RS232EX Isolator Cable
EX Network Cable
EXPLOSIVE
Y
TENTIALL
PO
(Hazardous boundaries are normally
specified by local authorities.)
2150EX Area Velocity
Flow Module
2191EX or 2196EX Battery
Module
Mounting Ring
AV2150EX Sensor
W
FLO
Figure 2-1 Typical Round-pipe Installation Connected to a
Laptop Computer (Portable Installation, see section 2.4)
2-5
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
SAFE AREA
2101 Field Wizard Module
EXPLOSIVE
Y
TENTIALL
PO
RS485EX Isolator Cable
EX Network Cable
(Hazardous boundaries are normally
specified by local authorities.)
2150EX Area Velocity
Flow Module
2191EX or 2196EX Battery
Module
Mounting Ring
AV2150EX Sensor
W
FLO
Figure 2-2 Typical Round-pipe Installation Connected to a
2101 Field Wizard (Portable Installation, see section 2.4)
2-6
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Equipment Box
Computer running
Flowlink
Interrogator Cable
2194EX Network/
Power Module
Isco Power Pack
SAFE AREA
EX Interface Cable
and Conduit
POTENTIALLY EXPLOSIVE AREA
(Hazardous boundaries are normally
specified by local authorities.)
2150EX Area Velocity
Flow Module
This figure is not intended to
depict the meeting of special
conditions indicated by "X"
markings on the equipment.
Refer to IEC 60079-14 section
12.2.4 regarding intrinsically safe
apparatus that does not
withstand the 500VAC electrical
strength test.
See the warnings below.
Mounting Ring
(See WARNINGS
below.)
AV2150EX Sensor
Figure 2-3 Typical Round-pipe Installation Connected to a
2194EX Module and Laptop
(Permanent Installation, see section 2.5)
WARNING
Duetothecreationofapermanentgroundingpointbetween
the sensor’s transducer cover and the mounting ring when
the sensor is installed, the 2150EX system can not
withstand the 500 VAC test according to EN50020:2002
clause 6.4.12. Refer to IEC 60079-14, section 12.2.4,
regarding earthing of intrinsically safe circuits.
2-7
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
WARNING
The sensor mounting ring is a potential isolated charge
carrier. Your installation MUST satisfy earthing
requirements. Refer to IEC 60079-14 section 12.2.4 and IEC
60079-11.
2.4 Portable Installations
For portable installations, the 2150EX module is stacked with a
2191EX or 2196EX battery module. It communicates with a com-
puter or 2100 Series network device via an EX Network Cable
(for potentially explosive atmospheres) and an EX Isolator Cable.
The 2191EX module contains two sealed, replaceable battery
packs for use in gas hazard zones 0, 1, and 2.
The 2196EX is a rechargeable module for use in gas hazard zones
1 and 2. For detailed information about the 2196EX, turn to
section 2.4.6.
2.4.1 Installation Example
The following steps may be used as a guide to install a basic, por-
table 2150EX system, including the 2150EX module, the 2191EX
battery module, and an AV2150EX sensor.
1. Prepare the Battery Module.
b. Inspect the desiccant (2.4.3).
3. Assemble the system.
b. Attach the AV2150EX sensor cable to the 2150EX mod-
5. Connect the interrogation cable and connect to the site
a. Create the site by Quick Connecting to the modules.
b. Set up the site and module settings.
6. Disconnect from the site and replace all protective caps.
2.4.2 Install Battery Module
Batteries
The 2191EX Battery Module requires two LTC2191EX 8 volt
lithium battery packs (P/N 68-2000-022) or two SLA2191EX 8
volt lead-acid battery packs (P/N 68-2000-023). These packs are
sealed and explosion protected, so they can be safely installed in
a potentially explosive atmosphere.
WARNING
Substitution of components will impair intrinsic safety.
2-8
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Battery Pack
Door
Figure 2-4 Illustration of Battery Packs
Figure 2-5 Label Markings for LTC2191EX and SLA2191EX Battery Packs
CAUTION
To avoid overloading the fuses in the LTC2191EX lithium bat-
tery packs, disconnect the 2150EX module(s) before installing
or replacing the lithium battery packs. The SLA2191EX
lead-acid battery packs do not contain fuses, and do not
require that the 2150EX module(s) be disconnected.
2-9
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
If you are installing the LTC2191EX lithium battery packs, first
disconnect the 2150EX module(s). If you are installing the
SLA2191EX lead-acid battery packs, it is not necessary to dis-
connect the 2150EX module(s). Then:
1
1. Remove the battery door. To remove the door, turn it /4 turn
counter-clockwise and pull it from the Battery Module.
2. Align the connectors and insert the new battery pack into
the Battery Module.
3. Check the humidity indicator disk inside the door. (See sec-
4. Replace the door. Align the small triangle on the door with
the triangle above the battery port, push inward, and
1
rotate /4 turn clockwise so the curved arrow is at the top of
the door.
Repeat steps 1 through 4 to install the second battery pack.
When finished, reconnect the 2150EX module(s).
Note
The battery packs should always be replaced as a pair. Never
mix old and new batteries. Battery packs should be disposed
of according to local battery disposal regulations. The
lead-acid battery packs should be recharged or recycled.
2.4.3 Inspect the Desiccant – A humidity indicator is mounted inside each battery cap on the
Battery Module
Battery Module. The humidity indicators have regions that
display 20, 30, and 40 percent humidity levels. Ideally each
region should be completely blue. As the desiccant becomes satu-
rated, the humidity levels will increase and the regions turn
pink. When the 40 percent region turns pink, the Battery Module
is no longer adequately protected and the desiccant must be
30
20
40
Humididy indicator
2.4.4 Inspect the Desiccant – A desiccant cartridge is inserted into the side of the 2150EX
2150EX Module
Module. The cartridge is filled with silica gel beads that will
indicate when they are saturated. When dry, the beads are blue
or yellow. As the desiccant becomes saturated, the humidity
levels will increase and the beads turn pink or green. If the
entire length of the desiccant cartridge turns pink or green, the
reference air is no longer adequately protected and the desiccant
tions.
CAUTION
Operating the 2150EX and sensor with saturated desiccant
can cause many problems such as drifting level readings and
permanent damage. It is important that the equipment is ser-
viced often enough to prevent the entire desiccant cartridge
from becoming saturated.
2-10
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.4.5 Assembling the System The 2100 Series System is modular; you build the system by con-
necting modules together. The instructions in this section
describe how to connect a 2150EX module to a 2191EX or
2196EX battery module in its most basic configuration — by
stacking the two modules. The battery module must be at the
bottom of the stack.
You can use multiple modules in a stack to increase the site’s
functions. A maximum of two 2150EX modules may be powered
by one battery module, to avoid overloading the batteries.
However, within a stack, you can have multiple sets of
2150EX/2191EX combinations.
Connection options
Keep in mind that stacking is not the only way to connect
modules. The modules may be placed in remote locations and still
operate as a single site. If you would like to use remote modules
for your application, please consult with the factory or your rep-
resentative to realize the full potential of your system.
Figure 2-6 Assembling a basic portable system
To connect the 2150EX and 2191EX/2196EX modules, refer to
Connecting the Modules
the following instructions and Figure 2-6.
1. On the top of the battery module, remove the cap and stow
it on the holder. This exposes the communication connec-
tor.
2. Prepare the battery module’s communication connector:
a. Inspect the connector. It should be clean and dry. Dam-
aged O-rings must be replaced. Spare O-rings (P/N
202-1006-69) are supplied in the 2191EX maintenance
kit (60-2009-332).
2-11
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
b. Coat the O-ring’s sealing surface with a silicone lubri-
cant. (A small quantity of lubricant is supplied in the
maintenance kit.)
CAUTION
Do not use petroleum-based lubricants. Petroleum-based
lubricants will cause the O-ring to swell and eventually deterio-
rate. Aerosol silicone lubricant sprays often use petroleum
based propellants. If you are using an aerosol spray, allow a
few minutes for the propellant to evaporate before proceeding.
3. Place the carrying handle on the battery module. (If you
are stacking two 2150EX modules on top of the
2191EX/2196EX, position the handle between the 2150EX
modules.)
4. Unlock the 2150EX module’s latch by pressing in on the
latch release (right side).
5. Underneath the 2150EX, remove the cap from the lower
communication connector and stow it in the holder.
6. Lock the latch. Locking the latch correctly seats and aligns
the lower cap in its holder.
7. Position the 2150EX over the 2191EX/2196EX battery
module. Align the connectors and lower the 2150EX onto
the 2191EX/2196EX.
8. Unlock the 2150EX module’s latch by pressing in on the
latch release (right side).
9. Firmly press the modules together and lock the 2150EX
module’s latch (left side).
The communications indicator will blink during the start-up
routine to indicate the 2150EX is operating.
Note
Unused communication ports on the top and bottom of the
stack must be capped. The connector caps terminate the com-
munication lines and protect the pins.
2-12
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.4.6 Zone 1 Battery Module The Model 2196EX is a rechargeable battery module for zones 1
and 2 that offers indication of declining voltage prior to power
interruption, with two batteries permanently contained in an
The 2196EX may be safely connected to or disconnected from a
2150EX flow module within a hazardous area.
Note
The 2196EX is for use in gas hazard zones 1 and 2. It is not
approved for use in zone 0 installations, in accordance with
IEC 60079-14.
The 2196EX module has no port or latches on the bottom of the
case; therefore, it can only be installed on the bottom of a module
stack. One 2196EX module can power one or two 2150EX flow
modules with sensors attached.
The 2196EX uses two fully rechargeable, nonreplaceable
lead-acid batteries.
Never operate or store the 2196EX at temperatures above 140 °F
(60 °C). Operate the 2196EX below 86 °F (30 °C) for maximum
service life. For prolonged shelf life, the 2196EX should be stored
at 50 °F (10 °C) or lower in a fully charged state.
Battery protection
The module protects the lead-acid batteries from damage due to
deep discharge by first indicating critically low voltage through
Flowlink software, and then by shutting off when the voltage
becomes critically low.
As the 2196EX output voltage decreases to a value near the
7-volt shut-off threshold, Flowlink software will issue a
Neither of these protective functions should become nec-
essary on a regular basis. Check the battery voltage
reading regularly, according to your specific application,
and recharge the batteries before the warning appears.
–
+
The voltage may also be tested with a voltmeter at the port con-
nector on pins c (+) and d (–), or on the internal circuit board (see
the test points shown in Figure 2-8).
2196EX port connector
Note
There is a 60K ohm resistor in series with the voltage sensing
circuit. The voltage reading measured on the circuit board may
have slight variance, depending on the voltmeter used.
2-13
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Figure 2-7 Flowlink low-voltage warning
CAUTION
A 2196EX module kept in storage for extended periods should
be recharged approximately every six to nine months. The bat-
tery voltage should never be allowed to fall below 10.5 volts
before recharging. Deep discharge of the lead-acid batteries
can lead to permanent loss of capacity.
Charging
The 2196EX module requires a lead-acid battery charger with a
maximum rating of 20 volts, 2 amps. The module is fused for pro-
WARNING
Do not charge the 2196EX in a potentially explosive
environment. Charge only in a safe area.
WARNING
When charging the 2196EX, observe maximum voltage
ratingsofUm =250VandUn=20V. Thechargeroutputmust
not exceed 20 volts or 2 amperes as labeled.
In order to recharge the batteries, the 2196EX module case must
be opened. Unlike other 2100 modules, which have two desiccant
holders, the 2196EX has only one, located on the inside of the
right compartment door.
Note
During the charging process, the 2196EX case must remain
open, exposing the desiccant to the atmosphere. Teledyne
Isco recommends storing the desiccant in an airtight container
while charging the batteries. Check the humidity indicator on
the inside of the door whenever it is opened and ensure that
only dry desiccant is installed when re-sealing the case.
2-14
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
The charging terminals are located on the circuit board mounted
and –). A cable ending in alligator clips may be connected to these
terminals for charging.
CAUTION
The circuit board is permanently connected to the interior of
the module. Use care when opening the case that the wires
are not damaged.
During charging, the yellow LED on the circuit board remains on
to indicate charge voltage in correct polarity. The replaceable 2A
fuse on the back side of the board protects against excessive
current.
Rechargeable, non-
replaceable lead-acid
batteries
Charge terminals
(remove screws to
access fuse)
Desiccant holder
(remove screws to
–
access desiccant
+
Figure 2-8 Location of 2196EX charging terminals
2-15
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Measure the voltage between
Test Point 1 and H5 (negative
terminal).
2A replaceable fuse
BATTERY VOLTS (TP1)
MAXIMUM 50 CELSIUS
AMBIENT DURING CHARGE
NEVER
FUSED
CHARGE IN
MAXIMUM CHARGER RATING
20 VOLTS 2 AMPERES
INPUT
VOLTAGE
(LED)
POTENTIALLY
EXPLOSIVE ENVIRONMENT
(-) NEGATIVE
Um = 250V
Un = 20V
(+) POSITIVE
H19
Back
Front
There is a 60K ohm resistor in series with the voltage sensing
circuit. The voltage reading measured on the circuit board may
have slight variance, depending on the voltmeter used.
Figure 2-9 Detailed view of charging circuit board
Fuse replacement
To access the 2A charge fuse (F1), remove the two mounting
screws holding the circuit board inside the compartment lid.
Replace the fuse with the specified Littlefuse 216002 or
Cooper/Bussman S501 only (Isco part #411-9922-60).
Charger options
See Appendix B for part numbers and ordering infor-
mation.
The 2196EX can be charged using the Isco Model 965 five-station
battery charger, or the Isco Model 963 desktop charger. The 965
has five 2-pin amphenol connectors on the front. The 963 has a
single, 2-pin amphenol cable. Both chargers require an adaptor
cable for use with the 2196EX (Isco part #60-1394-023), and are
user-switched for 120/240VAC, 50/60Hz applications.
The 965 provides greater charging voltage, and can therefore
charge to a higher capacity than the other chargers offered.
However, because of this, the module should not remain con-
nected to it beyond the charging period.
CAUTION
The module should not remain connected to the Isco Model
965 charger after the Battery Voltage measured at TP1
reaches 13.8 volts. Over time, overcharging can decrease the
water content of the batteries’ electrolyte, causing premature
aging.
2-16
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
The 963 is a float mode charger, using a lower voltage, which
reduces the risk of overcharging. It can fully charge the module
in 16-24 hours maximum.
Teledyne Isco also offers a 2-Amp charger that includes a connect
cable ending in alligator clips, indicator lights for maximum
output and float voltage, and protection against reverse polarity.
It can charge the 2196EX to in about 6 hours. The charger is com-
patible with 125/240 VAC input.
Important Information
Regarding "X" Marking
The ATEX labeling on the serial tag of the 2196EX module shows
a number ending in "X". The X marking indicates that there are
special conditions that must be met to ensure safety, as explained
on page vi in the front of this manual.
WARNING
Ensure that the 2196EX module case is never subjected to
physicalimpactwithenoughforcetocausecrackingduring
transport, installation, operation, or storage. Damage to the
case can compromise the unit’s safety.
Refer to page vi regarding "X" marking on labels.
Figure 2-10 2196EX battery module and labeling
2-17
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.5 Permanent
Installations
For permanent installations, the 2150EX can be powered from a
safe area by an associated apparatus, the 2194EX module. The
2194EX also serves as a network interface, with network and
RS232 communication via the top connector. The 2194EX
requires 12 or 24 volts DC, and may be powered by an Isco
910/920 series power pack, 934 NiCad battery, or 940 series lead
acid battery using power adapter cable 69-2004-451. For details
about these power supplies, see Isco’s Power Products Guide
(60-9003-092).
Pin B = +12 Volts
Pin A = Neutral
Figure 2-11 Amphenol connector pins for 12V adapter
cable 69-2004-451
Note
Isco AC power supplies do not provide galvanic isolation in
accordance with IEC 60079-14 for Zone 0 installations.
Connection to the 2194EX module requires the network interface
cable. The cable’s molded connector plug will connect to the
bottom communication port of the 2150EX module. The other end
will enter the safe area, usually via conduit.
Make sure the 2150EX is secured so that it will not accidentally
fall or be swept away by flooding. Mount the 2150EX onto the EX
bottom plate (60-2004-344) for suspension over the flow stream.
Use the notched holes in the plate to insert fasteners to secure
the module to a wall, or attach a carrying handle and suspension
handle (P/N 69-2003-271 and P/N 60-1704-017), which can be
secured to a ladder rung.
Two interface cable assemblies are available from Teledyne Isco:
75m (60-2004-337) and 150m (60-2004-338). You must cut the
cable to the appropriate length and wire it to the socket insert of
which is clearly marked with the proper entity parameters. To
power one 2150EX module, the cable must be 150 meters or
shorter. To power two 2150EX modules, the cable must be 75
meters or shorter.
EX Bottom Plate
60-2004-344
2-18
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Observe intrinsic safety requirements regarding proximity to
external sources of potential electric or magnetic interference.
Refer to IEC 10079-14 section 12.2.2.5 on installation of cables
and wiring.
WARNING
Do not coil the interface cable; this will form an inductor
and create a hazard. The cable should be kept as short as
is practical.
Teledyne Isco strongly recommends that you route the
interface cable through conduit between the safe and haz-
ardous areas. Two different sizes of conduit fittings are pro-
2.5.1 Installation Example
The following steps may be used as a summary guide to install a
basic, permanent 2150EX system, including the 2150EX module,
the 2194EX power module, and an AV2150EX sensor. The setup
will look similar to Figure 2-3.
2. Install the interface cable.
WARNING
Do not coil the cable; this will form an inductor and create
a hazard. The cable should be kept as short as is practical.
3. Assemble the system.
a. Install the 2150EX module.
b. Install the 2194EX module in the safe area.
c. Attach the AV2150EX sensor cable to the 2150EX mod-
5. Connect the interface cable between the 2150EX and
2194EX.
6. Connect the interrogation cable to the 2194EX and connect
to the site with Flowlink software.
a. Create the site by Quick Connecting to the modules.
b. Set up the site and module settings.
c. Disconnect from the site and replace all protective caps.
Important Information
Regarding "X" Marking
The ATEX labeling on the serial tag of the 2194EX module shows
a number ending in "X". The X marking indicates that there are
special conditions that must be met to ensure intrinsic safety, as
explained on page vi in the front of this manual.
In the case of the 2194EX, this associated apparatus does not
provide the galvanic isolation required for zone 0 installations in
accordance with IEC 60079-14 (refer to IEC 60079-14 sections
dealing with earthing of intrinsically safe circuits and installa-
tions for zone 0) when powered by an Isco AC power source.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
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Figure 2-12 2194EX labels and cable connector
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cage
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body
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cap
Locking
ring
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insert
Gland nut
(When using conduit,
replace with appropriate
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Figure 2-13 Network cable connector and wiring
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
1/2” NPT (20MM)
Thread
1” NPT (32MM)
Thread
Figure 2-14 Network cable conduit fittings
WHT/GRN
1
2
6
7
Drain
3
5
4
BLU/WHT
Figure 2-15 Wiring the socket insert
2.6 Network
Communication
To connect the 2150EX for network communication, one or two of
three different cables are required, depending on the type of com-
munication, whether the installation is portable or permanent,
and whether or not the flow module installation is in a hazardous
area.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.6.1 EX Network Cable
The EX Network cable (2m P/N 60-2004-335, 8m P/N
60-2004-336) connects to the top of the 2150EX stack and
extends to the interface of the safe and hazardous areas, where
the actual isolation is located.
Connects to a 2150EX
Connects to an
RS232EX or
RS485EX
Isolator Cable
Figure 2-16 EX Network Cable for Connection to an Isolator Cable
To connect the EX Network and RS232EX isolator cables:
1. Remove the protective cap from the communication
connector on the top of the 2150EX module.
2. Store the protective cap in the holder next to the connector.
3. Push the 6-pin end of the EX Network cable onto the com-
munication connector on the top of the 2150EX module.
Use care, so you do not misalign the pins and cause
any short circuits.
the EX Network cable is at the interface of the safe and
hazardous areas.
5. Attach the hazardous area end of the RS232EX isolator
cable to the EX Network cable coming from the 2150EX.
Use care, so you do not misalign the pins and cause any
short circuits! Attach the other end of the RS232EX cable
to the appropriate port on your computer.
Note
You can safely connect and disconnect the RS232EX cable
from the EX Network cable without removing the 2150EX mod-
ule or the EX Network cable from the potentially explosive
atmosphere.
When the communication connector is not in use, it should
always be capped to prevent corrosion and improve communica-
tions. When the communication connector is in use, store the cap
on the holder next to the connector.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
CAUTION
Caps PUSH ON and PULL OFF. Do not rotate the caps to
remove them from the connectors.
2.6.2 Connecting to a
Computer for
The 2150EX module can be connected to a computer located in a
order for the 2150EX to communicate with a computer, the two
must be connected by an Isco RS232EX Isolator Cable (P/N
60-2004-339). The hazardous area end, labeled with proper
entity parameters, connects to the EX Network cable. This
enables you to update the 2150EX’s software without entering
the potentially explosive atmosphere.
Interrogation
Observe intrinsic safety requirements regarding proximity to
external sources of potential electric or magnetic interference.
Refer to IEC 10079-14 section 12.2.2.5 on installation of cables
and wiring.
If the 2150EX and AV 2150EX sensor are not located in a poten-
tially explosive atmosphere, the RS232EX isolator cable can be
connected directly to the top of the 2150EX.
Label marking for the
RS232EX Isolator
Cable
Hazardous Area End
RATED INPUT
25V 1/2A
EIA-RS232
Ui = 9.282V
I i = 4.000A
Pi = 4.000W
Ci = 2.827uF
Li = 0.000uH
connects to com-
puter using maxi-
mum 250V (Um =
250V)
connects to an
EX Network Cable
(P/N 60-2004-336)
Safe Area End
Pin 2 Transmit Data
Pin 3 Receive Data
5
4
3
2
1
Pin 4 Requires 3 - 15V
Pin 5 Power/Signal Ground
Pin 7 Requires 3 - 15V
9
8
6
7
Figure 2-17 RS232EX Isolator Cable for Connection to a Computer
2.6.3 Connecting to a 2100
Series Network Device
The 2150EX can be connected to a 2100 Series network device
located in a safe area (with the exception of the 2102 Wireless
module). In order for the 2150EX to communicate with a 2100
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Series network device other than the 2194EX, the two must be
connected by an Isco RS485EX Isolator Cable (P/N 60-2004-340).
The hazardous area end, labeled with proper entity parameters,
connects to the EX Network cable.
Observe intrinsic safety requirements regarding proximity to
external sources of potential electric or magnetic interference.
Refer to IEC 10079-14 section 12.2.2.5 on installation of cables
and wiring.
If the 2150EX and AV2150EX sensor are not located in a poten-
tially explosive atmosphere, the RS485EX isolator cable can be
connected directly to the top of the 2150EX.
A site example using the Field Wizard is shown in Figure 2-2.
Label marking
for the RS485EX
Isolator Cable
Ui = 9.282V
Hazardous Area End
I i = 4.000A
connects to an
Pi = 4.000W
EX Network Cable
Ci = 1.650uF
(P/N 60-2004-336)
Li = 0.000uH
Safe Area End
RATED INPUT
16.6V 10A
EIA-RS485
connects to Field Wizard
or other network device
using maximum 250V
(Um = 250V)
Figure 2-18 RS485EX Isolator Cable for Connection to a 2100 Series Network Device
To connect the EX Network and RS485EX isolator cables:
1. Remove the protective cap from the communication
connector on the top of the 2150EX module.
2. Store the protective cap in the holder next to the connector.
3. Push the 6-pin end of the EX Network cable onto the com-
munication connector on the top of the 2150EX module.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Use care, so you do not misalign the pins and cause any
short circuits!
the EX Network cable is at the interface of the safe and
hazardous areas.
5. Attach the hazardous area end (with yellow/blue label) of
the RS485EX cable to the EX Network cable coming from
the 2150EX. Use care, so you do not misalign the pins and
cause any short circuits! Attach the other end of the
RS485EX cable to the communication connector on the
power supply for the Field Wizard or other network device.
Note
You can safely connect and disconnect the RS485EX cable
from the EX Network cable without removing the 2150EX mod-
ule from the potentially explosive atmosphere.
When the communication connector is not in use, it should
always be capped to prevent corrosion and improve communica-
tions. When the communication connector is in use, store the cap
on the holder next to the connector.
Note
Caps PUSH ON and PULL OFF. Do not rotate the caps to
remove them from the connectors.
2.7 Connecting the
AV2150EX Sensor
The AV2150EX sensor cable attaches to the sensor receptacle on
the 2150EX module.
1. Remove the protective caps:
a. On the 2150EX, push down on the sensor release while
pulling the protective cap from the receptacle.
b. On the AV Sensor cable, pull the cap from the end of its
connector.
2. Prepare the AV Sensor connector:
a. Inspect the connector. It should be clean and dry. Dam-
aged O-rings must be replaced. Spare O-rings (P/N
202-1006-69) are supplied in the 2150EX maintenance
kit (60-2059-001).
b. Coat the O-ring’s sealing surface with a silicone lubri-
cant.
CAUTION
Do not use petroleum-based lubricants. Petroleum-based
lubricants will cause the O-ring to swell and eventually deterio-
rate. Aerosol silicone lubricant sprays often use petroleum
based propellants. If you are using an aerosol spray, allow a
few minutes for the propellant to evaporate before proceeding.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Sensor Release
Caps
Figure 2-19 Connecting the AV Sensor
3. Align and insert the connector. The sensor release will click
when the sensor connector is fully seated.
4. Connect the two caps together.
Important Information
Regarding "X" Marking
The ATEX labeling on the sensor’s serial tag shows a number
ending in "X". The X marking indicates that there are special
conditions that must be met to ensure safety, as explained on
page vi in the front of this manual.
CAUTION
The AV2150EX sensor is labeled and X-marked for special
usage conditions in order to prevent static electricity. Avoid
conditions that may generate a static charge, such as rubbing
the AV2150EX with static producing cloth.
WARNING
ELECTROSTATIC HAZARD
DO NOT RUB
CLEAN WITH DAMP CLOTH ONLY
X-Marking
Figure 2-20 AV2150EX Sensor Cable Labels
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.7.1 Positioning the AV
Sensor
Consult your Isco Mounting Rings instruction manual for
detailed hardware information. This section explains how to
position the AV Sensor in flow streams.
Several factors concerning the AV Sensor’s installation may
affect your system’s performance. Review the following to under-
stand how to obtain the best results:
Uniform flow - The AV Sensor provides the best results in flow
streams with uniform flow. An example of uniform flow is shown
in the margin.
Ideal Conditions - Uniform Flow
Avoid poor channel conditions - Poor channel conditions may
cause incorrect or erratic readings. Areas to avoid are:
• outfalls or channel intersections
• flow streams at very low levels with high flow rates
• turbulence
• channel sections that are apt to collect debris or silt
• depths that consistently run below 2.54 cm (1 inch).
Install the AV Sensor in streams where the liquid covers the
sensor. The AV Sensor can detect levels above approximately
1.0 cm (0.4 inch) and typically can measure velocities in streams
as low as 2.54 cm (1 inch). Streams that run consistently below
2.54 cm are not a good application for the 2150EX.
The example in the margin shows an illustration of these poor
conditions. The outfall is drawing down the liquid level and the
AV Sensor is disturbing the flow. In this example, the AV Sensor
should be moved forward to avoid the drawdown near the outfall.
Poor Conditions
Offsets - You can install the AV Sensor above the bottom of the
flow stream or along the side of the channel, as long as it will be
continually submerged. The 2150EX can be adjusted to measure
level with the AV Sensor at nearly any depth. The AV Sensor
cannot, of course, measure a liquid level that falls below its
position in the flow stream.
Installing the AV Sensor above the bottom has advantages:
• It avoids heavy concentrations of silt, sand, or other solids.
• It aids installation in narrow or hard-to-reach locations.
• It maximizes level resolution over a specific level range.
• It can avoid obstructions in the flow stream.
When the AV Sensor is installed above the bottom of the channel,
a Zero Level Offset must be entered in the program settings (see
Liquid properties - Velocity measurements depend on the
presence of some particles in the stream such as suspended
solids or air bubbles. If the stream lacks particles it may be nec-
essary to aerate the water upstream from the sensor.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Handle with care - Abusive handling will damage the AV
Sensor. Although the AV Sensor will survive normal handling
and installation, treat the sensor with reasonable care. The
internal components cannot be repaired.
CAUTION
The vent tube inside the sensor cable must remain open. Do
not kink the cable or overtighten the plastic ties while securing
the cable.
WARNING
Do not coil the sensor cable. This will form an inductor and
create a hazard.
Secure the cable - We recommend that you secure the cable in
place. Tying off the cable can often prevent lost equipment if
excessive flow dislodges the sensor and its mounting.
2.8 Mounting Rings
Consult your Isco Mounting Rings instruction manual for
detailed hardware information.
The following sections describe sensor installation using the two
options available for mounting the AV sensor in pipes or
round-bottomed flow streams. For pipes up to 15" (38 cm) in
diameter, stainless steel self-expanding mounting rings
(Spring Rings) are available. For pipes larger than 15" in
diameter, Teledyne Isco offers the Scissors Rings (Universal
Mounting Rings). Area velocity sensors can also be installed
using primary measuring devices.
WARNING
Due to the creation of a permanent grounding point
between the sensor’s transducer cover and the mounting
ring when the sensor is installed, the 2150EX system can
not withstand the 500 VAC test according to EN50020:2002
clause 6.4.12. Refer to IEC 60079-14, section 12.2.4,
regarding earthing of intrinsically safe circuits.
WARNING
The sensor mounting ring is a potential isolated charge
carrier. Your installation MUST satisfy earthing
requirements. Refer to IEC 60079-14 section 12.2.4 and IEC
60079-11.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
2.8.1 Spring Rings
To install a spring ring, compress the ring, slip it inside the pipe,
and then allow it to spring out to contact the inside diameter of
the pipe. The inherent outward spring force of the ring firmly
secures it in place. A typical self-expanding mounting ring (with
These mounting rings are available for use in pipes with inside
diameters of 15.2 cm (6"), 20.3 cm (8"), 25.4 cm (10"), 30.5 cm
(12"), and 38.1 cm (15"). The Isco part numbers for the various
size mounting rings available are listed in Appendix B. These
part numbers include not only the ring, but also the miscella-
neous hardware necessary to mount the sensor on the ring.
CAUTION
Always wear leather gloves when handling the rings (either
type). The metal is finished, but there is still a possibility of cut-
ting your hands on the edges.
Compress ring into gap to install in pipe, then...
...outward force of ring against pipe wall holds
ring in place inside pipe.
Figure 2-21 Sensor Installed on a Spring Ring
Attaching the Sensor to the
Ring
Attach the AV sensor to the ring either by using two 4-40 coun-
tersink screws or by snapping the optional probe carrier to the
ring. This second method of attaching the sensor allows for easy
removal in case service is needed later.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
CAUTION
Make sure the slots on the AV sensor carrier are completely
pressed into the tabs on the ring. This is particularly important
where there is any possibility of reverse flows, or where flows
are of high velocity. If the AV sensor is not fully pressed into the
mounting ring tabs, it might come loose in the stream, and
could possibly be damaged or lost.
Make sure the sensor cable is securely fastened along the
back (downstream) edge of the ring. Otherwise, the sensor
may provide inaccurate level readings under conditions of
high velocity.
To complete the sensor-spring ring assembly procedure, attach
the sensor cable to the downstream edge of the ring. Follow the
affect measurement accuracy. The cable can actually create a
stilling well downstream from the sensor, causing the level to
read low. Use the self-locking plastic ties supplied with the ring.
Install the ring in the pipe by compressing it. Press inward on
both sides and slide the ring into the pipe.
Route the sensor cable out of the stream and secure it in position
by placing the ties through the holes in the mounting ring and
CAUTION
Do not overtighten the plastic cable ties; they should be tight-
ened just enough to secure the cable in place, without greatly
indenting the cable. Overtightening the plastic ties may col-
lapse the reference tube in the cable, blocking it.
The spring ring may need anchoring. Under conditions of high
velocity (greater than 1.5 meters per second or 5 feet per second),
the ring may not have sufficient outward spring force to
maintain a tight fit inside the pipe. The ring may start to lift off
the bottom of the pipe, or may even be carried downstream.
This problem is more prevalent in the larger diameter pipes and
in pipes with smooth inside surfaces, such as plastic pipes. If any
of these conditions are present, or if movement of the mounting
ring is detected or suspected, you must anchor the ring in place.
You can do this by setting screws through the ring into the pipe,
or by other appropriate means. If there is a problem with the
smaller diameter rings, it may be sufficient to simply increase
the outward spring force of the ring by bending it into a less
round configuration.
2.8.2 Scissors Mounting
Ring
For pipes larger than 15" in diameter, Teledyne Isco offers the
adjustable Scissors Ring (also known as the Universal Mounting
Ring). This device consists of two or more metal strips that lock
together with tabs to form a single assembly. There is a base
section where the sensors are mounted, two or more extension
sections (usually), and a scissors section at the top that expands
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
the entire assembly and tightens it inside the pipe. The scissors
section contains a long bolt that increases the length of the
section as it is tightened.
The assembled scissors rings fit pipe diameters from 16" to 80".
Secure the unit in place by tightening the scissors mechanism
5
with a /8" socket wrench or other suitable tool. Ring sections are
.040" thick half-hard 301 stainless steel sheet. All other parts are
also stainless steel, except for the plastic cable ties in the
hardware kit.
Each extension, 1, 2, 3, and 4, adds 9.0", 21.5", 31.5", or 41.5",
respectively, to the circumference of the ring. Used alone, the
base section fits a pipe that is approximately 16" to 19" in
diameter. The 9.0" (smallest) extensions can be used to take up or
remove slack, to bring the scissors mechanism into a position
where it can be effectively tightened.
Note
The hardware kit includes flat head bolts and nuts.Teledyne
Isco strongly recommends bolting the assembled scissors ring
together before installation, using the holes provided for that
purpose. Bolting the tongue sections together can greatly
increase safety and prevent the assembly from being torn
apart.
Do not overtighten the mechanism. It is designed to flex
somewhat to provide a positive lock, once moderately tightened.
For installations in larger channels and/or high flow, extensions
2, 3, and 4 have slots for attaching the ring to the channel wall
using appropriate anchoring hardware.
WARNING
Avoid prolonged use of excessive force when adjusting the
equipment. This can create hot surfaces from the friction
of screw or lever mechanisms, resulting in a potential
ignition hazard if surface temperatures exceed the
equipment’s 135°C rating.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Scissors Assembly
Extensions
Base Section
Tightening the scissors assembly expands the ring to
press firmly against the pipe wall, securing the ring.
Figure 2-22 Scissors Ring adjustment
To prevent debris from catching on the probe cable, it is
important to attach the cable to the mounting ring so it offers as
little resistance to the flow as possible. Attach the sensor cable to
the downstream edge of the ring, using the self-locking plastic
ties supplied with the ring. Place the ties through the holes in the
mounting ring and then lock them around the cable.
CAUTION
Do not overtighten the plastic cable ties; they should be tight-
ened just enough to secure the cable in place, without greatly
indenting the cable. Overtightening the plastic ties may col-
lapse the reference tube in the cable, blocking it.
2.8.3 Completing the AV
Sensor Installation
The AV sensor installation is finished by securing any excess
sensor cable using cable clamps or other means.
The reference tube inside the cable can be restricted or blocked if
the cable is kinked, sharply bent, coiled, or otherwise pinched.
The sensor cable should be handled and mounted with care. Also,
if there is any appreciable distance between the point where the
sensor cable leaves the mounting apparatus and the location of
the flow meter, be sure to attach the cable to the flow stream wall
to prevent it from vibrating, moving around, tangling, or possibly
collecting debris.
WARNING
Do not coil the sensor cable. This will form an inductor and
create hazard.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
CAUTION
Under no circumstances should you leave any extra length of
sensor cable dangling freely in the flow stream where it could
trap debris or become tangled.
Use gloves and eye protection when assembling and installing
the rings in a pipe. Though deburred, the edges of the stain-
less steel can cut if improperly handled. Please read the infor-
mation on how best to install this device.
Observe general safety procedures when entering any man-
hole. See “General Safety Procedures” in the back of the man-
ual for more information on general hazards and necessary
precautions.
2.9 Final Installation
Check
The system should be secured at the site. This prevents damage
caused by accidental falls and from being swept away if the
channel is flooded. In manholes, the module is often secured to a
ladder rung. Teledyne Isco’s Customer Service Department or
your local representative can assist you with installation options.
As you complete the installation, the following should be checked
before leaving the site unattended:
1. The module should be positioned where it will be protected
from submersion. Should the module become submerged,
level readings may drift and the hydrophobic filter will seal
to protect the reference air line.
Note
To protect the 2150EX AV Flow module and sensor, the hydro-
phobic filter seals off the reference air line when it is exposed
to excessive moisture. When sealed, the filter prevents irrepa-
rable damage, yet may cause the level readings to drift. This
single-use filter must be replaced once it becomes sealed.
2. Make sure all of the protective caps are in place. An
unused upper communication connection must be capped
to prevent damage and terminate the communication line.
If the communication connector is in use, its cap should be
properly stowed. Like the module and sensor connections,
the protective caps and their O-rings should be cleaned
and coated with a silicone lubricant. Damaged O-rings
must be replaced (P/N 202-1006-69).
3. Carefully route cables. Protect them from traffic in the
area. Avoid leaving excess AV Sensor cable in the flow
stream where it may collect debris.
2.9.1 Program the Module
After you have installed the AV Sensor in the flow stream, the
flow stream properties must be defined. To do this, connect to the
2150EX with Flowlink software and define the stream properties
in the 2150EX module’s program settings. These ensure that the
system correctly reads the liquid level and converts the mea-
sured level to flow rate.
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2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Note
The 2150EX requires Flowlink 4.1 or later. If you require two
minute data storage intervals, you will need version 4.16 or
later.
Refer to Section 3 and define the following properties:
• Level - Enter a liquid level measurement to adjust the
level readings from the AV Sensor.
• Zero Level Offset – If the AV Sensor is not installed in
the bottom-center of the channel, an offset distance
must be entered.
• Set Flow Rate to zero if no velocity data checkbox
- Determines how the 2150EX reports flow rates if
stream velocity data is not available.
• Flow Conversion – The 2150EX can store flow rate
readings. To correctly convert the measured level and
velocity readings to a flow rate, the flow conversion
method and channel properties should be defined.
• Silt Level – (Area Velocity Flow Conversion Only) The
2150EX can compensate for a build up of silt around the
AV Sensor.
These five settings should be considered a minimum
requirement. Other settings, such as Data Storage Rates, Site
Name, and Module Names, also may be set using Flowlink.
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2150EX Area Velocity Flow Module
Section 3 Programming
3.1 Overview
This section describes how to set up the operation of a 2150EX
Area Velocity Flow Module using Isco’s Flowlink software.
Note
The 2150EX requires Flowlink 4.1 or later. If you require two
minute data storage intervals, you will need version 4.16 or
later.
Flowlink Help
Detailed Flowlink instructions are beyond the scope of this
manual. Flowlink’s operating instructions are available in a
Windows Help format. You can access the help topics for an
active window by clicking on its Help button or by pressing F1 on
your computer’s keyboard. You can also access Help topics from a
Contents and Index window (HELP>CONTENTS AND INDEX from
the Flowlink menu).
3.2 Flowlink Connections
To allow interrogation of data using a computer connected to
your 2150EX, you need to make the necessary connections to
allow your computer to communicate with the site. Figure 3-1
shows a connection using Isco’s RS232EX Isolator Cable, P/N
60-2004-339 and EX Network Cable (P/N 60-2004-336). Note
that the computer must be positioned in a safe area. Use care in
connecting cables so you do not misalign the pins and cause a
short circuit.
RS-232 Serial Ports
COM1 or COM2
Potentially Explosive Atmosphere
Safe Area
Figure 3-1 Connection to a Laptop, Using Cables P/N
60-2004-336 and 60-2004-339
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2150EX Area Velocity Flow Module
Section 3 Programming
An easy way to begin Flowlink communications with the site is to
Quick Connect. As a default Flowlink setting, the Quick Connect
dialog box opens when you start Flowlink. Click on the large
2100 Instruments button to connect. Flowlink will read the 2100
system information and try to match it with an existing site in
the open database. If Flowlink cannot find a match for the con-
nected site, it creates a new site in the database.
3.2.1 Site Configuration
Stability
During the connection process, Flowlink checks the stability of
the site’s configuration. If there are conflicts with the site config-
uration, Flowlink presents the Network Resolution window.
There are two common causes of site configuration conflicts. One
cause is a Module Name conflict, which may occur when two or
more modules at a site use the same module name. The second
cause is a Site Name conflict, which occurs when a module added
to the site indicates that it belongs to a different site.
The Network Resolution window lets you choose how the
modules should be configured and which Site Name should be
retained. To resolve the conflicts, select the actions that should
be taken and click the OK button. Be aware that some actions
will delete all data in the module.
3.3 Program Settings
While connected, Flowlink displays the Site View window. This
window contains all of the program settings that control the
site’s operation. The settings are grouped, or categorized, using
five tabs: Measurements, Site Info, Modules, Data Storage, and a
variable tab used to set up the various measurement types.
Essential Settings
Some program settings are essential to the operation of an
2150EX and its attached AV2150EX Sensor. Five program set-
tings should always be verified when setting up a new site:
• Level - Enter a liquid level measurement to adjust the
• Zero Level Offset – If the AV Sensor is not installed in
the bottom-center of the channel, the distance the AV
• Set Flow Rate to zero if no velocity data checkbox
- Determines how the 2150EX reports flow rates if
• Flow Conversion – The 2150EX can calculate flow
rate readings. To correctly convert the measured level
and velocity readings to a flow rate, the flow conversion
• Silt Level – The 2150EX can compensate for a build up
These five program settings directly affect the data collection.
Incorrect settings may introduce errors in the measured data,
many of which may prove to be difficult to correct afterwards.
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2150EX Area Velocity Flow Module
Section 3 Programming
Data Storage Settings
You should also check the Data Storage Rates while you are
reviewing the program settings. You can view the storage rates
on the Data Storage tab to ensure that pertinent types of data
are being stored, and that the rates will provide a sufficient
amount of data for your application. Refer to section 3.3.6 for
instructions on how to modify the data storage rates.
General Settings
Once the site’s configuration has been resolved, the Site and
Module Names may be changed to help you better manage the
sites and data collection. Giving sites descriptive names such as
“12th and Main Streets” can help you easily recognize the mea-
surement locations, instead of generic terms such as “Site 1.” Site
Changing a Setting
Flowlink sends the change to the module and updates the site’s
settings in its Flowlink database.
3.3.1 Level
A measurement of the actual liquid level must be taken to adjust
the level readings. The value of this measured depth should be
entered on the Level measurement tab in Flowlink.
Measurement Location
The location of your measurements can affect the flow conversion
results. An understanding of how the AV Sensor measures level
and velocity will help you determine where the measurements
should be taken.
The AV Sensor transmits an ultrasonic sound wave. It propa-
gates from the front of the sensor in a cone-shaped pattern. From
within this cone, the AV Sensor measures the stream velocity.
Therefore, it is best to measure level from a point inside the cone.
Since this cone cannot be seen, a general rule is to measure in
front of the sensor along the channel centerline at a distance
equal to the liquid depth. For example, if the stream is one foot
deep, take the level and channel dimension measurements one
foot upstream from the sensor. If the flow at this point is tur-
bulent, consider relocating the sensor.
Figure 3-2 Preferred Measurement Location
Do not measure the level and channel dimensions right at the
sensor, as the sensor and the mounting ring may cause a slight
“jump” or localized rise in the level. At very low levels and high
velocities, this jump in the liquid surface may become quite sig-
nificant.
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2150EX Area Velocity Flow Module
Section 3 Programming
In round pipes it is possible to measure the level without disturb-
ing the stream surface. This method is preferred. Refer to the di-
agram in the margin. First measure the inside diameter of the
pipe (D). Then measure the airspace (a) from the liquid surface to
the peak of the inside diameter. Average this measurement if the
surface is not calm. The level measurement that you enter (h) is
calculated by subtracting the distance above the liquid (d) from
the diameter (D). If difficult channel conditions keep you from
making the measurements as described above, another site
should be considered.
a
D
h
Level (h) = D − a
3.3.2 Zero Level Offset
AV Sensors are sometimes offset in the channel to avoid heavy
concentrations of silt, or to maximize the level resolution over a
specific range. When the AV Sensor is offset, an offset distance
must be entered on the Velocity measurement tab in Flowlink.
sensor is installed above the true zero level of the stream. For
example, if the sensor is mounted on the side of the pipe two
inches higher than the true zero level (the bottom center of the
pipe), the Zero Level Offset is two inches. If the sensor is
mounted at the bottom of the channel, enter zero.
Note
Do not confuse the circumferential distance between true zero
and the location of the AV Sensor with the vertical distance
(height). If you install the AV Sensor at the true zero level of the
pipe or channel, you would enter “0” for the offset (ignoring the
thickness of the mounting ring).
AV Sensor
Offset
Distance
Circumferential
Distance
True Zero Point
of channel
Figure 3-3 Zero Level Offset Measurement
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2150EX Area Velocity Flow Module
Section 3 Programming
3.3.3 No Velocity Data and
Flow Rates
Occasionally velocity readings are lost because either a flow
stream does not contain enough reflective particles, or the sensor
is covered with silt. These lost velocity readings are logged as a
“No Data Code.” If the 2150EX is set up to use area velocity flow
conversion, it is then unable to calculate the flow rate. You can
control how the Flow Rate readings will be reported during these
conditions with the “Set flow rate to zero if no velocity data”
checkbox, found on Flowlink’s Velocity measurement tab.
• Checked, the 2150EX stores the flow rate as 0.0 when
velocity data is not available.
• Unchecked, the 2150EX will use the last valid velocity
measurement in the flow rate calculation.
Note
Measuring velocity becomes extremely difficult at low liquid
levels. When the level falls below one inch, the module no
longer measures the velocity. Instead, velocity is interpolated
based on measurements that occurred between one and
seven inches of liquid.
Prevent Velocity Signal
Interference
If the AV Sensors of a multiple module site are placed near each
other it is important that each sensor receives its own trans-
mitted signal. To prevent this sort of interference, you can syn-
chronize the modules so that only one module may take a velocity
measurement at any given moment.
To synchronize the velocity measurements of a multiple module
site, check the Prevent interference box found on the Velocity mea-
surement tab. You may leave this box unchecked for single
module sites or multiple module sites measuring velocities of
separate channels.
Note
The Prevent interference check box should always be selected
when using the 2150EX with LTC2191EX lithium battery
packs, to prevent overloading the fused outputs.
3.3.4 Flow Conversion
The 2150EX is capable of determining flow rates using either
area velocity conversion or level-to-flow rate conversion. Table
The 2150EX is capable of calculating and storing any two con-
version methods simultaneously. Flow conversions are defined on
the Flow Rate and Flow Rate 2 measurement tabs in Flowlink.
To do this, select the Conversion Type that matches your appli-
cation, then enter the required parameters in the fields to the
right of the selected conversion type.
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2150EX Area Velocity Flow Module
Section 3 Programming
Table 3-1 Flow Conversion Methods
Conversion Type
Device, Formula, or Table
Size or Parameters
Area Velocity
Channel Shape
Area × Velocity
Round Pipe, U-Channel, Rectan-
gular, Trapezoidal, Elliptical
Level-to-area
Data Points
User-developed Table
3 to 50 data points
Level to Flow
Weir
V-Notch Weir
22.5, 30, 45, 60, 90, 120 degrees
Crest Length
Rectangular Weir with end con-
tractions
Rectangular Weir without end
contractions
Crest Length
Thel-Mar
6, 8, 10, 12-14, 15-16 inches
Crest Length
Cipoletti Weir
Parshall Flume
Flume
1, 2, 3, 6, 9 inches
1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12 feet
Palmer-Bowlus Flume
Leopold-Lagco
4, 6, 8, 10, 12, 15, 18, 21, 24, 27,
30, 48 inches
4, 6, 8, 10, 12, 15, 18, 21, 24, 30
inches
“HS” Flume
0.4, 0.6, 0.8, 1.0 feet
0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4.5 feet
4.0 feet
“H” Flume
“HL” Flume
Trapezoidal Flume
Large 60-degree V
Extra Large 60-degree V
2-inch, 45-degree WSC
12-inch, 45-degree SRCRC
Flow Metering Insert
Manning Formula
V-notch
6, 8, 10, 12 inches
Round Orifice
Round Pipe
6, 8, 10, 12 inches
Slope, Roughness, Diameter
Slope, Roughness, Width
Slope, Roughness, Width
U-Channel Pipe
Rectangular Pipe
Trapezoidal
Slope, Roughness, Bottom Width,
Top Width
Equation
Flow = 0.00*(Head^0.00) + 0.00*(Head^0.00)
Level-to-Flow Rate
Data Points
User-developed tables for
level-to-flow rate
3 to 50 data points
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2150EX Area Velocity Flow Module
Section 3 Programming
If the selected flow conversion requires channel dimensions,
actual channel measurements should be taken. Channel measure-
ments are preferred over nominal values. Significant errors may
be introduced if your measurements are inaccurate. The example
below illustrates the importance of accurate measurements.
Example:
Nominal Pipe Diameter: 10 inches
Actual Pipe Diameter: 10.25 inches
Level Measured Near Outfall: 2.75 inches
Correct Level Measurement: 3 inches
During programming, you enter 10 inches for the round pipe
diameter - from the pipe manufacturer’s specification. You
also enter the 2.75 inch level measurement taken behind the
sensor near an outfall. Although each setting has only a 0.25
inch error, the cumulative flow measurement error may
exceed 14%!
measure the channel dimensions.
3.3.5 Silt Level
Silting in the flow stream will alter your channel dimensions,
affecting the flow rate conversion. To compensate for a buildup of
silt, a Silt Level value can be entered on the Flow Rate mea-
surement tab in Flowlink. Silt level compensation is only
available when using Area Velocity flow conversion.
3.3.6 Data Storage Rates
The data storage function of a 2150EX can record level, velocity,
flow rate, total flow, and input voltage readings. The interval at
which the 2150EX stores the readings is called the Data Storage
Rate. The 2150EX is shipped with default storage rates of 15
minutes for the level, velocity, and flow rate, and 1 hour for total
flow and input voltage readings.
You can modify the data storage rates to log readings at a faster
or slower rate. Keep in mind that although the 2150EX can store
data as fast as 1 reading every 15 seconds, faster storage rates
will shorten battery life, increase memory usage, and lengthen
Retrieve Data (interrogation) times.
You can also create conditional data storage rates. The 2150EX
can log data at a secondary rate when user-defined conditions
have been met. For example, a 2150EX can store level readings
at a primary rate of 15 minutes, and a secondary rate of 1 minute
when the level reading is greater than or equal to 1 foot. Sec-
ondary rates allow you to collect detailed data when defined
events of interest occur, while reducing power and memory con-
sumption when detailed readings are not needed.
To modify the Data Storage Rates, first click on the Set Up Data
Storage… button on a measurement tab. Then enter the Primary
and Secondary Rate settings on the Data Storage Setup window.
Repeat this for each measurement type.
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2150EX Area Velocity Flow Module
Section 3 Programming
3.3.7 Site Name
The module is shipped with a default name so that it can imme-
diately begin to communicate with Flowlink. You can change the
site name to a more descriptive name on the Site Info tab in
Flowlink. Keep in mind that the name must be unique among the
other site names in the open Flowlink database.
Site names can be up to 20 characters long. Any character may
be used in the name except:
/
:
forward slash
colon
\
*
back slash
asterisk
?
<
|
question mark
left angle bracket
bar
“
>
&
double-quote
right angle bracket
ampersand
3.3.8 Module Name
The module is shipped with a default name so that it can imme-
diately begin to communicate with Flowlink. You can change a
Module Name to a more descriptive name on the Modules tab in
Flowlink. Keep in mind that the name must be unique among the
other module names connected at that site.
Module names can be up to 20 characters long. Any character
may be used in the name, except for those noted in Site Name,
section 3.3.7.
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
and operation of Modbus protocol as it applies to Isco 2100 Series
flow modules.
For a Glossary of Terms and Common Acronyms, see sections 4.4
and 4.5.
4.1 Introduction
Modbus is a simple command/response mechanism to read from
and write to specific memory locations called registers. A register
is a holding place for a piece of digital information within the
equipment. There are three standard protocols for Modbus:
Modbus RTU, Modbus TCP/IP, and Modbus ASCII. The Isco 2100
Series devices use Modbus ASCII protocol, the method discussed
in this manual. Modbus ASCII has more flexible communication
timing requirements. Modbus communication for the Isco 2100
Series provides a standard protocol that can be used to retrieve
real-time data from a single module or stack of modules at a site,
or multiple sites, over a wide area. The data can be sent to a
central computer for display, data collection, or process control.
Modbus implementation is independent of Flowlink and cannot
alter the Flowlink-programmed configuration of the module.
Modbus cannot be used to retrieve historical data from a
module’s memory.
Due to the wide variety of configurations that can be made with
Modbus, it is impossible to cover every usable application. This
section will discuss the overall capabilities and operation of
Modbus.
4.2 Operation
There are many standard, third party Modbus drivers and OPC
servers that may be used to link a remote Modbus device, such as
a 2100 Series module, to SCADA or process control software,
such as Wonderware™ or Intellution™. The OPC server commu-
nicates with the remote instrumentation and accesses registers.
The definition of what information is contained and where (the
register number, or address) is decided by the manufacturer
(Teledyne Isco).
In a 2100 module, the registers hold, but are not limited to, the
current real-time value of the meter’s level, velocity, flow, input
voltage, temperature, and total flow readings, stored in specified
register locations. A list of the 2100 register addresses, and what
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
By accessing these registers you can obtain the current value of
whatever parameter you desire. The reading(s) can then be dis-
played or stored wherever you designate as a destination; for
example, a process control computer.
Note
Level, flow, velocity, and temperature data is stored in metric
units only.
Not all registers are limited to read-only data storage. You can
also use some registers for control purposes. For example, by
writing a “1” value to register 24 (“Identify Module” register), you
will tell a 2100 module to light the LED on the front of the
module.
4.2.1 Establishing
Communication
There are several different communications protocols supported
in the 2100 series that require auto-baud rate detection. Because
of this, each time a modbus connection is made, the module uses
a polling mechanism to repeatedly send a command until a
response is received. It may take up to 20 command retries
before the module has identified the baud rate and a response is
received.
4.2.2 Module Addressing
When connecting to a site via a Modbus OPC server, you use a
dedicated line of communication to that module or stack from the
OPC server, which can be a dedicated communications cable
(direct connection) or a dedicated phone number (modem).
When you are using a direct connection, you are dedicating a
specified COM port on the computer, and that COM port deter-
mines the site to which you are connecting.
When you are using a modem, the dedicated line is defined by
the site's phone number.
If you connect more than one 2100 Series module at a site, the
Modbus OPC server, while using the shared communication line
for all of the modules within the network, must have some way to
differentiate between the modules. When sending a command to
a specific module, the command has an address field. This allows
the server software to talk to, as well as control, the specified
module, while ignoring other modules in the same stack or site.
Each module capable of Modbus Protocol communication will
automatically create its own specific ASCII address within the
site, using:
• The model numbers of the modules
• The user-defined module names
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
4.3 Configurations
A variety of configurations can be made with Modbus, either
through direct connection or through a modem.
server PC to two individual 2150s through Modbus, using the
COM ports on the OPC Server, which are directly connected to
the remote 2150s.
Connection to the module is made through the RS-232 communi-
cation port on the top of the module.
Note
For low power operation, we recommend connecting the mod-
ule(s) to the computer using the straight-through cable (Isco
part number 60-5314-529), which consumes less power,
instead of our standard interrogation cable.
Modbus requires one COM port each, for direct connection of
each 2150.
COM
port 1
2150
OPC
Server
Process
Control
2150
COM
port 2
Figure 4-1 Configuration Example (Direct Connection Shown)
The operation sequence for the example above can be summa-
rized in the following steps:
2150:
1. 2150s take readings from probes.
2. 2150s store readings (level, velocity, flow rate, etc.) in their
specified registers.
Process Control:
3. The user requests data through Process Control.
4. Process Control asks the OPC server to gather informa-
tion.
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
5. OPC connects to the 2150 stack through the cable (direct
connection), takes register data from the specified 2150,
and populates the OPC server's holding index.
6. Process Control takes data from the OPC server's holding
index and gives data to the user.
Note that Process Control can be either manual or automated in
this example, and that the OPC server and Process Control may
be located physically on the same computer.
4.4 Glossary of Terms
ASCII – Short for American Standard Code for Information
Interchange, ASCII is a code that represents English characters
with numbers. Most computers represent text with ASCII code,
making it possible for one computer or device to share data with
another.
2100 modules support Modbus ASCII protocol.
Dedicated Line – A telecommunications path reserved for com-
munication between two specified points and not shared among
multiple points.
Modbus Protocol – Modbus Protocol is a messaging structure
used to establish master-slave/client server communications
between intelligent devices. Modbus is a simple
command/response mechanism to read from and write to reg-
isters.
OPC – OPC (OLE for Process Control) means open connectivity
via open (free for use) standards. It is a series of software stan-
dards specifications that fill a need in automation (like printer
drivers did for Windows), acting as a translator for data trans-
mission and process control.
The specification defines a standard set of objects, interfaces, and
methods for use in process control and manufacturing auto-
mation applications to facilitate interoperability. There are hun-
dreds of OPC Data Access servers and clients.
Registers – Registers are locations in memory that have specific
data stored for retrieval or are used for control functions. A reg-
ister is a holding place for a piece of digital information within
the equipment. The definition of what is contained and where
(the registry number, or address) is decided by the manufacturer
(in this case Teledyne Isco).
SCADA – SCADA (Supervisory Control And Data Acquisition)
is a computer system for gathering and analyzing real-time data.
SCADA systems are used to monitor and control plant operation,
or equipment in industries such as telecommunications, water
and waste control, energy, oil and gas refining, and transpor-
tation.
The SCADA system transfers the information (for example,
where a leak has occurred in a pipeline), back to a central site,
alerting the home station of the leak, performing necessary
analysis and control (such as determining if the leak is critical),
and displaying the information in a logical and organized
manner.
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
SCADA systems can be relatively simple, such as one that mon-
itors the environmental conditions of a small office building, or
very complex, such as a system that monitors all the activity in a
nuclear power plant or a municipal water system.
4.5 Common Acronyms
ASCII – American Standard Code for Information Interchange
DCS – Distributed Control Systems
MTU – Master Terminal Unit
OPC – Object Linking and Embedding (OLE) for Process Control
PLC – Programmable Logic Controller
RTU – Remote Terminal Unit
SCADA – Supervisory Control And Data Acquisition
TCP/IP – Transmission Control Protocol/Internet Protocol
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
4.6 Register Specifications All numbers in the Modbus registers are stored most significant
byte first. If the polling device has a byte ordering of least signif-
icant byte first (an Intel-based PC, for example), the bytes will
need to be reversed after they are received.
The Modbus ASCII address is used to index the data by modules.
Modbus ASCII address 1 contains information related to the site.
The first register contains a 16-bit integer count of the number of
modules that have data to report. The maximum number of
modules that can be supported is 4.
Modbus ASCII addresses 2 through the number of modules plus
1 contain data from the individual modules.
The Modbus ASCII addresses will be sorted by the model
number, and then by module name, which is entered by the user
through Flowlink. This allows the user to control the ordering of
the addresses and easily predict what data will be in specific reg-
isters.
Every measured parameter has a corresponding status and mea-
surement time that are updated with each measurement.
The maximum number of supported measurements from all
modules in the system is 28.
The Modbus registers are assigned within 30 seconds after the
2100 module is powered up. To conserve power for the users who
do not use Modbus communications, no Modbus registers will be
updated with sensor readings until a Modbus master communi-
cates with the 2100 module.
The register definitions for the Site Information device (Modbus
Table 4-1 Modbus ASCII Address 1 Register Definitions
Register
Number(s)
Name
Data type
Units Read/Write
1
Number of
modules (N)
(1-4)
16 bit integer
None
Read
2-20
Site name
38-byte string
None
Read
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
The register definitions for the individual modules (Modbus
Table 4-2 Modbus ASCII Address 2-(N+1) Register Definitions
Register Number(s)
Name
Model number
Module name
Identify module
Take reading flag
Update interval
Active flag 1
Active flag 2
Active flag 3
Active flag 4
Level
Data Type
8-byte string
38-byte string
16 bit integer
16 bit integer
16 bit integer
16 bit field
Units
None
Read/Write
Read
1-4
5-23
None
Read
1
24
None
Read/Write
Read/Write
Read/Write
Read
2
25
None
3
26
Seconds
None
4
27
28
29
16 bit field
None
Read
16 bit field
None
Read
30
16 bit field
None
Read
40,41
42
4-byte float
16-bit integer
Meters
Read
5
Level status code
Level time record
Velocity
Read
6
43-52
55,56
57
Time
Read
4-byte float
16-bit integer
Time
Meters/second
Cubic Meters/sec
Cubic Meters/sec
Cubic Meters
Read
Velocity status code
Velocity time record
Flow
Read
58-63
70,71
72
Read
4-byte float
16-bit integer
Time
Read
Flow status code
Flow time record
Flow 1
Read
73-78
85,86
87
Read
4-byte float
16-bit integer
Time
Read
Flow 1 status code
Flow 1 time record
Volume
Read
88-93
100,101
102
Read
4-byte float
16-bit integer
Time
Read
Volume status code
Volume time record
Volume 1
Read
103-108
115,116
Read
4-byte float
Cubic Meters
Read
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
Table 4-2 Modbus ASCII Address 2-(N+1) Register Definitions (Continued)
Register Number(s)
Name
Data Type
Units
Read/Write
(1) A write to the Identify module register will cause the module to perform the identify operation which may be a steady
LED for a few seconds or a beep in the Field Wizard.
(2) Setting the Take Reading flag to 1 will cause the module to update the registers with current data readings. It will
be set to zero when the readings have all been updated. This may be used to initiate readings and poll for when
they are ready to be read. It may take up to 50 seconds to update all the readings, depending upon the flow con-
ditions. Setting the Take Reading flag to 2 causes an automatic, 15 second update of readings when a Modbus
master is polling the 2100.
(3) The Update Interval specifies an interval in seconds that the registers are automatically updated. It defaults to zero,
which indicates that no automatic updating will occur.
(4) The Active Flag (1-4) bit fields specify what fields/registers are active in the list. This provides support for a maxi-
mum of 64 fields. For example, if bit 0 of register 27 is set, the Level (registers 40,41) is active. If bit 1 of register
27 is set, then the Velocity (registers 55,56) is active. If bit 0 of register 28 is set, the Analog channel 7 (registers
265,266) is active.
(5)A non-zero status code indicates a measurement problem.
(6) Time is represented in a series of registers: Order is from lowest address to highest - Seconds (0-59), Minutes (0-59),
Hours (0-23), Days (1-31), Month (1-12) and Year (1977-2099).
117
Volume 1 status code
Volume 1 time record
Voltage
16-bit integer
Time
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
118-123
130,131
132
4-byte float
16-bit integer
Time
Volts
Voltage status code
133-138
145,146
147
Voltage time record
Temperature
4-byte float
16-bit integer
Time
Degrees Celsius
Degrees Celsius
0-100 percent
0-100 percent
0-100 percent
0-100 percent
0-100 percent
Temperature status code
Temperature time record
Internal Temp
148-153
160,161
162
4-byte float
16-bit integer
Time
Internal Temp status code
Internal Temp time record
Analog channel 1
163-168
175,176
177
4-byte float
16-bit integer
Time
Analog channel 1 status code
Analog channel 1 time record
Analog channel 2
178-183
190,191
192
4-byte float
16-bit integer
Time
Analog channel 2 status code
Analog channel 2 time Record
Analog channel 3
193-198
205,206
207
4-byte float
16-bit integer
Time
Analog channel 3 status code
Analog channel 3 time record
Analog channel 4
208-213
220,221
222
4-byte float
16-bit integer
Time
Analog channel 4 status code
Analog channel 4 time record
Analog channel 5
223-228
235,236
237
4-byte float
16-bit integer
Analog channel 5 status code
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2150EX Area Velocity Flow Module
Section 4 Modbus Protocol
Table 4-2 Modbus ASCII Address 2-(N+1) Register Definitions (Continued)
Register Number(s)
238-243
250,251
252
Name
Data Type
Time
Units
Read/Write
Read
Analog channel 5 time record
Analog channel 6
4-byte float
16-bit integer
Time
0-100 percent
Read
Analog channel 6 status code
Analog channel 6 time record
Analog channel 7
Read
253-258
265,266
267
Read
4-byte float
16-bit integer
Time
0-100 percent
0-100 percent
Read
Analog channel 7 status code
Analog channel 7 time record
Analog channel 8
Read
268-273
280,281
282
Read
4-byte float
16-bit integer
Time
Read
Analog channel 8 status code
Analog channel 8 time record
Read
283-288
Read
Table 4-3 Measurement Parameters by Model Number*
2103, 2103C
2108
2110
2150, 2151
Level
Voltage
Analog channel 1
Analog channel 2
Analog channel 3
Level
Flow
Velocity
Flow
Volume
Voltage
Temperature
Flow 1
Volume
Volume 1
Voltage
Temperature
*Subject to change.
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Section 4 Modbus Protocol
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2150EX Area Velocity Flow Module
Section 5 Maintenance
5.1 Maintenance
This section explains the maintenance requirements of the
2150EX Area Velocity Flow Module, 2191EX Battery Module,
and the AV2150EX Sensor.
Overview
The 2150EX System is designed to perform reliably in adverse
conditions with a minimal amount of routine service require-
ments. To keep your system working properly, the following
should be checked at regular intervals:
Maintenance intervals are affected by many variables; for
example, the Data Storage Rate will affect the battery life.
Humidity levels obviously affect the service life of the desiccant,
and the amount of debris in the stream can drastically alter the
channel conditions.
As a guide, a basic system installed in an environment with mod-
erate humidity levels and an AV Sensor installed in a channel
relatively free from debris and silt, the maintenance interval
should not exceed three months. A basic system is defined as:
• a 2150EX Module and AV Sensor,
• powered by a fresh pair of LTC2191EX 8 volt lithium or
SLA2191EX 8 volt lead-acid battery packs
• recording readings at the default intervals of 15
minutes.
Experience is often the best tool to use when establishing
minimum maintenance intervals for your system. Until you have
gained an understanding of the 2150EX Module’s operation
under differing environmental conditions, a weekly maintenance
interval is recommended.
5.2 Maintenance Kits
Many of the parts called out in the Installation and Maintenance
sections of this manual are available in maintenance kits. Kit
number 60-2059-001, which supports the 2150EX Module, con-
tains O-rings for the connectors and desiccant cartridge, a hydro-
phobic filter, and a one-pound container of indicating silica gel
desiccant. Kit number 60-2009-332, which supports the 2191EX
Battery Module, contains O-rings for the connectors, gaskets for
the battery doors, humidity indicators, and bags of desiccant. You
can order the kits by calling Teledyne Isco’s Customer Service
Department.
Teledyne Isco, Inc.
Customer Service Dept.
P.O. Box 82531
Lincoln, NE 68501 USA
Phone: (800) 228-4373
(402) 464-0231
FAX:
(402) 465-3022
E-mail:
IscoInfo@teledyne.com
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2150EX Area Velocity Flow Module
Section 5 Maintenance
5.3 2191EX Batteries
When connected to a 2191EX battery module, the 2150EX is
powered by either two LTC2191EX 8 volt lithium battery packs or
two SLA2191EX 8 volt lead-acid battery packs, which are stored in
the 2191EX. These packs are sealed and explosion protected, so
they can be safely removed and replaced in a potentially explosive
atmosphere.
WARNING
To avoid overloading the fuses in the LTC2191EX lithium
battery packs, disconnect the 2150EX module(s) before
installing or replacing the lithium battery packs. The
SLA2191EX lead-acid battery packs do not contain fuses,
and do not require that the 2150EX module(s) be
disconnected.
The two types of battery packs differ in that the lead-acid bat-
teries are rechargeable. Because they do not contain fuses, the
lead-acid batteries do not require the same installation precau-
tions as the lithium batteries.
5.3.1 LTC2191EX Lithium
Batteries
The lithium battery packs should give you several months of
service, depending upon your data storage intervals (see Table
1-5). Because the fuses in the battery packs can blow if over-
loaded, take care when installing the packs.
Measuring Input Voltage
Input voltage can be monitored while you are connected to the
2150EX with Flowlink. The 2150EX also can record input voltage
readings. Keep in mind that battery discharge rates vary widely
depending on the your system’s operating environment.
If the fuse in a battery pack is overloaded, it will blow the fuse
and the battery pack will need to be replaced. To avoid over-
loading the fuses, be sure to disconnect the 2150EX module(s)
before installing or replacing battery packs.
If you suspect a blown fuse, or cannot connect to Flowlink to
check the input voltage, you can use a volt meter to measure the
voltage. DO NOT remove the battery packs and apply a volt
meter directly to the packs. For safety reasons, the packs have an
internal voltage regulator that shuts the voltage off when the
battery packs are not installed.
Instead, measure the voltage by disconnecting the 2150EX
module(s) from the 2191EX battery module and attaching the
volt meter to the connector on top of the 2191EX. Check the
battery packs individually, not as a pair.
WARNING
When using the above method to check voltage, use care
not to short any pins.
Battery Replacement
Batteries should be replaced according to the instructions below.
The batteries should be replaced with:
• two new 8 volt lithium battery packs
(P/N 68-2000-022).
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2150EX Area Velocity Flow Module
Section 5 Maintenance
WARNING
Substitution of components may impair intrinsic safety.
WARNING
To avoid overloading the fuses in the lithium LTC2191EX
battery packs, disconnect the 2150EX module(s) before
installing or replacing battery packs.
Battery Pack
Door
Figure 5-1 Illustration of LTC2191EX Battery Packs
To install the lithium LTC2191EX battery packs, first disconnect
the 2150EX module(s) and then:
1
1. Remove the battery door. To remove the door, turn it /4 turn
counter-clockwise and pull it from the Battery Module.
2. Align the connectors and insert the new battery pack into
the Battery Module.
3. Check the humidity indicator disk inside the door. (See sec-
4. Replace the door. Align the small triangle on the door with
the triangle above the battery port, push inward, and
1
rotate /4 turn clockwise so the curved arrow is at the top of
the door.
Repeat steps 1 through 4 to install the second battery pack.
When finished, reconnect the 2150EX module(s).
Note
The battery packs should always be replaced as a pair. Never
mix old and new batteries. Battery packs should be disposed
of according to local battery disposal regulations.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
Note
For storage, the battery packs may be rotated 180 degrees
and inserted into the 2191EX. This disconnects the packs for
storage.
5.3.2 SLA2191EX Lead-Acid
Batteries
The lead-acid battery packs should give you several weeks of
service before they need recharged, depending upon your data
Figure 5-2 SLA2191EX Battery Pack Voltage Chart
Measuring Input Voltage Input voltage can be monitored while you are connected to the
2150EX with Flowlink. The 2150EX also can record input voltage
readings.
The Flowlink voltage readings will drop lower when the batteries
voltage drop that starts to occur when the battery pack begins to
discharge. Keep in mind that battery discharge rates vary widely
depending on the your system’s operating environment.
Input voltage can also be checked manually by disconnecting the
2150EX module(s) from the 2191EX battery module and
attaching the volt meter to the connector on top of the 2191EX.
Check the battery packs individually, not as a pair.
WARNING
When using the above method to check voltage, use care
not to short any pins.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
CAUTION
Do not deep discharge the SLA2191EX battery packs, or you
will reduce their cycle life. When your Flowlink voltage readings
start to drop, you should recharge the battery packs.
Charging Batteries
Charge the batteries only with Isco’s 8V2191SLA Lead-Acid
ambient temperature when charging is 50°C or 122°F. Never
charge the battery packs in a hazardous atmosphere!
WARNING
Charge SLA2191EX battery packs only with the 8V2191SLA
charger at an ambient temperature below 50°C (122°F), and
never in a potentially explosive atmosphere.
Figure 5-3 Lead-Acid SLA2191 EX Battery Packs and
8V2191SLA Charger
The intrinsically safe battery packs require slow charging. When
the packs are inserted into the charger (Figure 4-4), the yellow
LED indicates that the fuse (required to maintain intrinsic
safety) is good and that the circuit is powered. The green LED
indicates that the undercharged battery is accepting current; the
LED will go out when the battery is fully charged.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
Figure 5-4 Inserting an SLA2191EX Battery Pack into the
Charger
It will typically take two days for the green LED to go out, and it
is recommended that you continue charging for another 24 to 48
hours after the green LED light goes out. The battery packs may
remain in the powered charger indefinitely without damage. If
stored for a long time, the SLA2191EX battery packs may self
discharge to a point where they should be recharged.
Battery Replacement
Fuse Replacement
Batteries should be replaced according to the instructions below.
The batteries should be replaced with:
• two new 8 volt lead-acid battery packs
(P/N 68-2000-023).
The fuses should be replaced only with:
• Littel fuse #216.315
(P/N 411-0922-30)
WARNING
Substitution of components may impair intrinsic safety.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
Installing SLA2191EX
Battery Packs
Battery Pack
Door
Figure 5-5 Illustration of Battery Packs
To install the lead-acid SLA2191EX battery packs:
1
1. Remove the battery door. To remove the door, turn it /4 turn
counter-clockwise and pull it from the Battery Module.
2. Align the connectors and insert the new battery pack into
the Battery Module.
3. Check the humidity indicator disk inside the door. (See sec-
4. Replace the door. Align the small triangle on the door with
the triangle above the battery port, push inward, and
1
rotate /4 turn clockwise so the curved arrow is at the top of
the door.
Note
The battery packs should always be replaced as a pair. Never
mix old and new batteries. Battery packs should be recycled as
any normal lead-acid battery.
Note
For storage, the battery packs may be rotated 180 degrees
and inserted into the 2191EX. This disconnects the packs for
storage.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
5.4 Desiccant
The 2150EX System devices use desiccant to protect the internal
components from moisture damage. In the 2150EX, a desiccant
cartridge is used to dry the reference air for the sensor. This pre-
vents moisture from plugging the reference line, which would
cause the sensor to report erroneous level readings. The car-
tridge is filled with indicating silica gel, which is blue or yellow
when dry. As the desiccant becomes saturated, the color changes
from blue to pink, or from yellow to green. Replace the desiccant
before the entire length of the cartridge turns pink or green.
30
20
40
Battery Module
Humidity Indicator
The 2191EX battery module uses desiccant bags to keep the
interior of the case dry. The bags are located inside the battery
caps. Attached to the inside face of each cap is a humidity indi-
cator. Humidity indicators have regions that display 20, 30, and
40 percent humidity levels. Ideally, each region should be com-
pletely blue. As the desiccant becomes saturated, the humidity
levels will increase and the regions turn pink. When the 40
percent region begins to turn pink, the components are no longer
adequately protected and the desiccant must be replaced.
5.4.1 Replacing the
Desiccant: AV Module
The desiccant is contained in a cartridge located on the left side
of the 2150EX. To remove the cartridge, unscrew the collar and
slide the cartridge out of the 2150EX. The opaque tube reveals
the silica gel desiccant inside.
Collar
CAUTION
To prevent static electricity, do not replace silica in potentially
explosive atmospheres. Empty and fill the desiccant cartridge
in a safe area.
To replace the silica gel desiccant:
1. Hold the cartridge upright with the collar at the top.
2. As shown to the left, push the collar off the cartridge.
3. Empty the saturated silica gel beads or granules.
Cartridge
4. Fill the tube with new (P/N 099-0011-03) or reactivated
5. Press the collar onto the tube.
6. Slide the cartridge into the 2150EX Module. Tighten the
collar to seal the cartridge in place.
5.4.2 Replacing the
A bag of desiccant is located inside each of the battery caps
behind a retaining plate. To replace the desiccant:
Desiccant: Battery
Module
1. Loosen the two mounting screws that secure the metal
retaining plate.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
2. Rotate the retaining plate until it is free from the mount-
ing screws.
3. Remove the spent desiccant bag from the cap and replace it
with a new (P/N 099-0002-33) or reactivated (see section
5.4.3) bag.
4. Replace the retaining plate and secure it with the screws.
5.4.3 Reactivating the
Desiccant
Silica gel beads, granules, and bags of desiccant can be reacti-
vated.
CAUTION
Desiccant may produce irritating fumes when heated. Observe
the following precautions:
• Use a vented oven in a well-ventilated room.
• Do not remain in the room while the regeneration is taking
place.
• Use the recommended temperature. Avoid heating the
desiccant at higher than recommended temperatures.
Irritating fumes can come from the desiccant during reacti-
vation, and you should use caution. Material Safety Data Sheets
are in the back of this manual.
The desiccant’s ability to remove moisture may lessen with each
saturation/reactivation cycle, resulting in a need for more fre-
quent service. After several cycles, the desiccant may no longer
be effective as it saturates too quickly. At this point, replace the
desiccant.
Silica gel
To reactivate the silica gel desiccant, pour the spent desiccant
into a heat resistant container. Never heat the cartridge
assembly; it will melt. Heat the silica gel in a vented convection
oven at 100° to 175°C (212° to 350°F) for two to three hours, or
until the blue or yellow color returns. Allow the desiccant to cool
and store it in an airtight container until ready for use.
Desiccant bags
Bagged desiccant will often include reactivation or recharging
instructions on the bag’s labeling. Always follow the instructions
printed on the bag. If the instructions are not available, the bags
may be heated in a vented convection oven at 120°C (245°F) for
sixteen hours.
5.5 Channel Conditions
5.6 Other Maintenance
Because the sensor body offers a streamlined profile to the flow,
solid materials rarely collect on the sensor. However, clean the
channel upstream and downstream from the sensor periodically.
This maintains the hydrostatic conditions on which the
level-to-area conversion is based.
Other maintenance may be performed on the modules and sensor
ities.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
5.6.1 Hydrophobic Filter
If the 2150EX is submerged, a hydrophobic filter prevents water
from entering the desiccant cartridge and reference line. Any
amount of water will plug the filter and it must be replaced so
that the reference line can be reliably ventilated. Drifting level
readings are often an indication that the hydrophobic filter may
be plugged.
To remove the hydrophobic filter, grasp the filter and pull it from
the desiccant cartridge collar. The filter is only held in place by
its friction fitting; rocking it back and forth while pulling may
help. Firmly press the replacement filter (P/N 60-2005-003) in
place.
If the hydrophobic filter frequently requires replacement, con-
sider relocating the modules so that they are better protected.
5.6.2 Cleaning
The 2150EX enclosure may be cleaned with mild detergent and
warm water. Before cleaning the module, make sure all pro-
tective connector caps are in place.
The cable and outer surfaces of the AV Sensor may also be
cleaned with mild detergent and warm water.
If the flow stream carries a great deal of debris, beware of organic
materials that may collect beneath the AV Sensor. This material
swells as it becomes saturated with water and may exert
pressure on the outer diaphragm. This can damage the trans-
ducer and permanently disable the AV Sensor. Keeping the ports
clean not only prevents damage, but assures you that the AV
Sensor will respond to the hydrostatic pressure above instead of
the pressure created by swollen material.
If the ports become blocked:
Gently flush
1. Remove the sensor from its mounting ring, plate, or carrier.
Ports
diaphragm cover
with water.
2. Scrape any accumulated solids off the exterior of the sen-
sor. Use a brush and flowing water.
No tools!
3. Remove debris that has accumulated in the ports.
4. The outer diaphragm is behind the small round cover on
the bottom of the sensor. It should be visible through the
two small openings at the center of the cover. Gently flush
the cover and holes with water to remove debris.
CAUTION
Avoid using tools near the cover openings. The transducer is
extremely sensitive to pressure applied to its exposed surface.
Direct or indirect contact with the outer diaphragm may perma-
nently damage the AV Sensor.
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2150EX Area Velocity Flow Module
Section 5 Maintenance
5.6.3 Sensor Cable
Inspection
Erroneous level or velocity readings may not always indicate a
fault inside the AV Sensor body. A damaged cable can affect the
operation of the sensor, particularly if the reference air tube
inside the cable is collapsed or blocked. Damaged cables cannot
be spliced or repaired.
If the AV Sensor cable is damaged, you must replace the entire
assembly, as the sensor body and cable are a factory-sealed unit.
Keep the connector clean and dry and install the cable so that it
is not at risk of damage resulting from other activity taking place
in the area. The connector can be replaced in some instances,
depending on the condition of the cable.
In temporary installations, do not leave cables lying around
where they may be stepped on or run over by heavy equipment.
Do not leave extra cable loose in the flow stream where it can
trap debris.
In permanent installations, cables repeatedly subjected to abuse
will fail and should be installed in conduit for protection. The
conduit must be large enough to pass the connector through, as
you cannot remove or replace it.
5.7 How to Obtain Service The internal components of the 2150EX System are not user-ser-
viceable. The case is completely sealed to protect the internal
components. To repair the unit, the case must be broken open
and replaced. If you think your module requires repair, contact
Teledyne Isco’s Technical Service Department.
Teledyne Isco, Inc.
Technical Service Dept.
P.O. Box 82531
The pressure transducer, the ultrasonic transducers, cable con-
nections, and the electronic components of the AV Sensor are
encapsulated in plastic resin and are not user-serviceable. If any
part of the AV Sensor fails, it must be replaced.
Lincoln, NE 68501 USA
Phone: (800) 228-4373
(402) 464-0231
FAX: (402) 465-3085
Corresponding with a Teledyne Isco Technical Service Represen-
tative can often resolve the problem without the need to return
the item. If the difficulty cannot be resolved you will be issued a
Return Authorization Number (RAN) and information on
returning it to the factory.
E-mail:
IscoService@teledyne.com
5.7.1 Diagnostics
As a troubleshooting aid, many module functions can generate a
diagnostic file. With the assistance of a Teledyne Isco Technical
Service Representative, the diagnostic files can often be used to
isolate a problem.
To view a diagnostic file, connect to the site with Flowlink. View
the measurement tab of the suspect function and click on the
Diagnostics... button. The module then generates the file and
sends it to Flowlink where it is displayed as a text report.
Flowlink can also collect all of the diagnostic files while
retrieving data. The last available diagnostic files are always
kept in Flowlink’s database where they can be viewed “off-line”
at a later time. To enable Flowlink to automatically collect all
diagnostic files while retrieving the data, open the Util-
ities>Options from the menu and check the Retrieve data gets text
reports box on the 2100 tab.
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Section 5 Maintenance
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2150EX Area Velocity Flow Module
Appendix A Replacement Parts
A.1 Replacement Parts
Diagrams and Listings
Replacement parts for the 2150EX, the Area Velocity Sensor, the
2191EX battery module, and the 2194EX interface module are
called out in the diagrams in this appendix. Refer to the parts
lists to determine the part number and description for a specific
item.
Replacement parts can be purchased by contacting Teledyne
Isco’s Customer Service Department.
Teledyne Isco, Inc.
Customer Service Department
P.O. Box 82531
Lincoln, NE 68501 USA
Phone: (800) 228-4373
(402) 464-0231
FAX: (402) 465-3022
E-mail: IscoCSR@teledyne.com
WARNING
Substitution of components may impair intrinsic safety.
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2150EX Area Velocity Flow Module
Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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602002331
A
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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Appendix A Replacement Parts
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2150EX Area Velocity Flow Module
Appendix B Accessories
B.1 How to Order
Accessories can be purchased by contacting Teledyne Isco’s Cus-
tomer Service Department.
Teledyne Isco, Inc.
Customer Service Dept.
P.O. Box 82531
Lincoln, NE 68501 USA
Phone: (800) 228-4373
(402) 464-0231
FAX: (402) 465-3022
E-mail: IscoInfo@teledyne.com
B.2 General Accessories
AV2150EX Sensor (8m Cable). . . . . . . . . . . . . . . . . . . 60-2004-331
Av2150EX Sensor (25m Cable) . . . . . . . . . . . . . . . . . . 60-2004-334
LTC2191EX Lithium Battery Pack (2 required) . . . . 68-2000-022
SLA2191EX Lead-Acid Battery Pack (2 required). . . 68-2000-023
8V2191SLA Lead-Acid Battery Charger
(EU line cord) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68-2000-024
8V2191SLA Lead-Acid Battery Charger
(US line cord) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68-2000-025
RS232EX Isolator Cable . . . . . . . . . . . . . . . . . . . . . . . 60-2004-339
RS485EX Isolator Cable . . . . . . . . . . . . . . . . . . . . . . . 60-2004-340
NET2EX Two Meter EX Network Cable . . . . . . . . . . 60-2004-335
NET8EX Eight Meter EX Network Cable . . . . . . . . . 60-2004-336
Flowlink software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CALL
Instruction Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . 69-2003-347
Isco Open Channel
Flow Measurement Handbook . . . . . . . . . . . . . . . . . . 60-3003-041
2194EX Network Interface Module . . . . . . . . . . . . . . 60-2004-333
2194EX 75m Interface Cable. . . . . . . . . . . . . . . . . . . . 60-2004-337
2194EX 150m Interface Cable. . . . . . . . . . . . . . . . . . . 60-2004-338
Power Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 69-2004-451
2100EX Bottom Plate . . . . . . . . . . . . . . . . . . . . . . . . . 60-2004-344
Suspension Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . 60-1704-017
Carrying Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69-2003-271
2196EX Battery Module . . . . . . . . . . . . . . . . . . . . . . . 60-2004-540
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2150EX Area Velocity Flow Module
Appendix B Accessories
965 Five-Station Battery Charger . . . . . . . . . . . . . . . 68-3000-965
(US line cord; for use with 2196EX)
965 Five-Station Battery Charger . . . . . . . . . . . . . . . 69-3000-966
(EU line cord; for use with 2196EX)
Alligator clip adaptor cable for 965 charger. . . . . . . . 60-1394-023
(for use with 2196EX)
963 Lead-Acid Battery Charger . . . . . . . . . . . . . . . . . 68-3004-198
(for use with 2196EX)
2A Battery Charger with indicator lights . . . . . . . . . 68-2000-044
(for use with 2196EX)
2A charge fuse (F1) . . . . . . . . . . . . . . . . . . . . . . . . . . . 411-9922-60
(for use with 2196EX)
B.3 Maintenance Kits
2150EX Maintenance Kit . . . . . . . . . . . . . . . . . . . . . . 60-2059-001
2191EX Battery Module Maintenance Kit . . . . . . . . . 60-2099-001
B.4 AV Sensor Mounting
Accessories
The AV2150EX Area Velocity Sensor can be installed using Isco’s
installation systems listed below. A Low Profile Carrier is
optional when attaching the AV Sensor to any system listed
below.
Low Profile Carrier
(attaches the AV sensor to a ring or plate) . . . . . . . . . . . . . . . . 60-3204-029
Spring Rings (Each ring includes plastic ties and a manual)
15.2 cm (6") Diameter . . . . . . . . . . . . . . . . . . . . . . . 68-3200-007
20.3 cm (8") Diameter . . . . . . . . . . . . . . . . . . . . . . . 68-3200-008
25.4 cm (10") Diameter . . . . . . . . . . . . . . . . . . . . . . 68-3200-009
30.5 cm (12") Diameter . . . . . . . . . . . . . . . . . . . . . . 68-3200-010
38.1 cm (15") Diameter . . . . . . . . . . . . . . . . . . . . . . 68-3200-011
Scissors Rings (Each scissors ring includes a base section, scissors mechanism,
extensions, plastic ties, and a manual)
40.6-61 cm (16-24") Pipe . . . . . . . . . . . . . . . . . . . . . 68-3000-042
66-96.5 cm (26-38") Pipe . . . . . . . . . . . . . . . . . . . . . 68-3000-043
96.5-111.7 cm (38-44") Pipe . . . . . . . . . . . . . . . . . . 68-3000-044
111.7-121.9 cm (44-48") Pipe . . . . . . . . . . . . . . . . . 68-3000-045
152.4 cm (60") Pipe . . . . . . . . . . . . . . . . . . . . . . . . . 68-3000-046
182.9 cm (72") Pipe . . . . . . . . . . . . . . . . . . . . . . . . . 68-3000-047
40.6-152.4 cm) (16-60") Pipe . . . . . . . . . . . . . . . . . . 68-3000-048
Base Section (with plastic ties and manual) . . . . . . . . . . . . 60-3004-169
Sensor Mounting Plate (With plastic ties & instructions) . . 68-3000-051
B-2
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
C.1 Overview
This appendix provides Material Safety Data Sheets for the des-
iccant used by the 2150EX Area Velocity Flow Module.
Teledyne Isco cannot guarantee the accuracy of the data. Specific
questions regarding the use and handling of the products should
be directed to the manufacturer listed on the MSDS.
C-1
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
101 Christine Drive
Belen, New Mexico 87002
Phone: (505) 864-6691
Fax: (505) 861-2355
ISO 9002
MATERIAL SAFETY DATA SHEET -- September 28, 1998
SORB-IT®
Packaged Desiccant
SECTION I -- PRODUCT IDENTIFICATION
Trade Name and Synonyms:
Silica Gel, Synthetic Amorphous Silica,
Silicon, Dioxide
Chemical Family:
Formula:
Synthetic Amorphous Silica
SiO2.x H2O
SECTION II -- HAZARDOUS INGREDIENTS
Components in the Solid Mixture
COMPONENT
Amorphous
Silica
CAS No
63231-67-4
%
>99
ACGIH/TLV (PPM)
PEL - 20 (RESPIRABLE), LIMIT – NONE,
TLV – 5
OSHA-(PEL)
HAZARD -
IRRITANT
˝
Synthetic amorphous silica is not to be confused with crystalline silica such as quartz,
cristobalite or tridymite or with diatomaceous earth or other naturally occurring forms of
amorphous silica that frequently contain crystalline forms.
This product is in granular form and packed in bags for use as a desiccant. Therefore, no
exposure to the product is anticipated under normal use of this product. Avoid inhaling
desiccant dust.
SECTION III -- PHYSICAL DATA
Appearance and Odor:
Melting Point:
Solubility in Water:
White granules; odorless.
>1600 Deg C; >2900 Deg F
Insoluble.
Bulk Density:
>40 lbs./cu. ft.
Percent Volatile by Weight @ 1750 Deg F:
<10%.
C-2
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
101 Christine Drive
Belen, New Mexico 87002
Phone: (505) 864-6691
Fax: (505) 861-2355
ISO 9002
MATERIAL SAFETY DATA SHEET -- September 28, 1998
SORB-IT®
Packaged Desiccant
SECTION IV -- FIRE EXPLOSION DATA
Fire and Explosion Hazard - Negligible fire and explosion hazard when exposed to heat
or flame by reaction with incompatible substances.
Flash Point - Nonflammable.
Firefighting Media - Dry chemical, water spray, or foam. For larger fires, use water spray
fog or foam.
Firefighting - Nonflammable solids, liquids, or gases: Cool containers that are exposed
to flames with water from the side until well after fire is out. For massive fire in enclosed
area, use unmanned hose holder or monitor nozzles; if this is impossible, withdraw from
area and let fire burn. Withdraw immediately in case of rising sound from venting safety
device or any discoloration of the tank due to fire.
SECTION V -- HEALTH HAZARD DATA
Health hazards may arise from inhalation, ingestion, and/or contact with the skin and/or
eyes. Ingestion may result in damage to throat and esophagus and/or gastrointestinal
disorders. Inhalation may cause burning to the upper respiratory tract and/or temporary or
permanent lung damage. Prolonged or repeated contact with the skin, in absence of
proper hygiene, may cause dryness, irritation, and/or dermatitis. Contact with eye tissue
may result in irritation, burns, or conjunctivitis.
First Aid (Inhalation) - Remove to fresh air immediately. If breathing has stopped, give
artificial respiration. Keep affected person warm and at rest. Get medical attention
immediately.
First Aid (Ingestion) - If large amounts have been ingested, give emetics to cause
vomiting. Stomach siphon may be applied as well. Milk and fatty acids should be
avoided. Get medical attention immediately.
First Aid (Eyes) - Wash eyes immediately and carefully for 30 minutes with running water.
C-3
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
101 Christine Drive
Belen, New Mexico 87002
Phone: (505) 864-6691
Fax: (505) 861-2355
ISO 9002
MATERIAL SAFETY DATA SHEET -- September 28, 1998
SORB-IT®
Packaged Desiccant
NOTE TO PHYSICIAN: This product is a desiccant and generates heat as it adsorbs
water. The used product can contain material of hazardous nature. Identify that material
and treat accordingly.
SECTION VI -- REACTIVITY DATA
Reactivity - Silica gel is stable under normal temperatures and pressures in sealed
containers. Moisture can cause a rise in temperature which may result in a burn.
SECTION VII --SPILL OR LEAK PROCEDURES
Notify safety personnel of spills or leaks. Clean-up personnel need protection against
inhalation of dusts or fumes. Eye protection is required. Vacuuming and/or wet methods
of cleanup are preferred. Place in appropriate containers for disposal, keeping airborne
particulates at a minimum.
SECTION VIII -- SPECIAL PROTECTION INFORMATION
Respiratory Protection - Provide a NIOSH/MSHA jointly approved respirator in the
absence of proper environmental control. Contact your safety equipment supplier for
proper mask type.
Ventilation - Provide general and/or local exhaust ventilation to keep exposures below
the TLV. Ventilation used must be designed to prevent spots of dust accumulation or
recycling of dusts.
Protective Clothing - Wear protective clothing, including long sleeves and gloves, to
prevent repeated or prolonged skin contact.
Eye Protection - Chemical splash goggles designed in compliance with OSHA
regulations are recommended. Consult your safety equipment supplier.
C-4
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
101 Christine Drive
Belen, New Mexico 87002
Phone: (505) 864-6691
Fax: (505) 861-2355
ISO 9002
MATERIAL SAFETY DATA SHEET -- September 28, 1998
SORB-IT®
Packaged Desiccant
SECTION IX -- SPECIAL PRECAUTIONS
Avoid breathing dust and prolonged contact with skin. Silica gel dust causes eye irritation
and breathing dust may be harmful.
* No Information Available
HMIS (Hazardous Materials Identification System) for this product is as
follows:
Health Hazard
Flammability
0
0
Reactivity
0
Personal Protection
HMIS assigns choice of personal protective equipment to the
customer, as the raw material supplier is unfamiliar with the
condition of use.
The information contained herein is based upon data considered true and accurate. However, United Desiccants makes no warranties
expressed or implied, as to the accuracy or adequacy of the information contained herein or the results to be obtained from the use
thereof. This information is offered solely for the user's consideration, investigation and verification. Since the use and conditions of
use of this information and the material described herein are not within the control of United Desiccants, United Desiccants assumes no
responsibility for injury to the user or third persons. The material described herein is sold only pursuant to United Desiccants' Terms
and Conditions of Sale, including those limiting warranties and remedies contained therein. It is the responsibility of the user to
determine whether any use of the data and information is in accordance with applicable federal, state or local laws and regulations.
C-5
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
Indicating Silica Gel
Material Safety Data Sheet
Identity (Trade Name as Used on Label)
Manufacturer
:
MSDS Number* :
CAS Number* :
M75
MULTISORB TECHNOLOGIES, INC.
(formerly Multiform Desiccants, Inc.)
Address:
325 Harlem Road
Buffalo, NY 14224
Phone Number (For Information):
Date Prepared:
Prepared By* :
716/824-8900
July 6, 2000
G.E. McKedy
Emergency Phone
716/824-8900
Number:
Section 1 - Material Identification and Information
Components - Chemical Name & Common Names
(Hazardous Components 1% or greater; Carcinogens 0.1% or
greater)
%*
OSHA
PEL
ACGIH
TLV
OTHER LIMITS
RECOMMENDE
D
Silica Gel SiO2
98.0
>2.0
6mg/m3
(total dust)
0.05mg/m3
(TWA cobalt
metal dust &
fume)
10mg/m3
(total dust)
.05mg/m3
Cobalt Chloride
(Cobalt, TWA)
Non-Hazardous Ingredients
TOTAL
100
Section 2 - Physical/Chemical Characteristics
Boiling
Point
Vapor Pressure
(mm Hg and Temperature
Vapor
Specific Gravity
(H20 = 1)
Melting
Point
Evaporation Rate
(__________=1)
N/A
2.1
N/A
N/A
N/A
N/A
Density
(Air =1)
Solubility
in Water
Appearance
and Odor
Water
Reactive
Insoluble, but will adsorb moisture.
Purple crystals, no odor.
Not reactive, but will adsorb moisture.
Section 3 - Fire and Explosion Hazard Data
Flash Point and
Methods Used
Extinguisher
Media
Special Fire
Fighting Procedures
Unusual Fire and
Explosion Hazards
Auto-Ignition
Temperature
Flammability Limits in
Air % by Volume
LEL
UEL
N/A
N/A
N/A
Dry chemical, carbon dioxide and foam can be used.
Water will generate heat due to the silica gel which will adsorb water and liberate heat.
When exposed to water, the silica gel can get hot enough to reach the boiling point of water. Flooding with
water will reduce the temperature to safe limits.
Section 4 - Reactivity Hazard Data
Conditions
To Avoid
STABILITY
Stable
Moisture and high humidity environments.
Unstable
Incompatibility
(Materials to Avoid)
Hazardous
Decomposition
Products
Water.
Carbon dioxide, carbon monoxide, water
Conditions
To Avoid
HAZARDOUS POLYMERIZATION
May Occur
None.
*Optional
Indicating Silica Gel
C-6
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
Page 2
Section 5 - Health Hazard Data
PRIMARY ROUTES
OF ENTRY
Inhalation
Skin Absorption
Ingestion
Not Hazardous
CARCINOGEN
LISTED IN
NTP
IARC Monograph
OSHA
Not Listed
Acute
Chronic
HEALTH HAZARDS
May cause eye, skin and mucous membrane irritation.
Prolonged inhalation may cause lung damage.
Signs and Symptoms
of Exposure
Drying and irritation.
Medical Conditions
Generally Aggravated by Exposure
Asthma.
EMERGENCY FIRST AID PROCEDURES - Seek medical assistance for further treatment, observation and support if necessary.
Eye Contact
Skin
Contact
Flush with water for at least 15 minutes.
Wash affected area with soap and water.
Inhalation
Ingestion
Remove affected person to fresh air.
Drink at least 2 glasses of water.
Section 6 - Control and Protective Measures
Respiratory Protection
(Specify Type)
Use NIOSH approved dust mask or respirator.
Protective
Gloves
VENTILATION
Eye Protection
Light cotton gloves.
Local Exhaust
Safety glasses.
Mechanical (General)
Special
TO BE USED
Other (Specify)
None.
Other Protective
Clothing and Equipment
Hygienic Work
Practices
Avoid raising dust. Avoid contact with skin, eyes and clothing.
Section 7 - Precautions for Safe Handling and Use/Leak Procedures
Steps to be Taken if Material
Is
Sweep or vacuum up and place the spilled material in a waste disposal container. Avoid raising dust.
Spilled Or Released
Waste Disposal
Methods
Precautions to be
Taken
Dispose in an approved landfill according to federal, state and local regulations.
Cover promptly to avoid blowing dust. Wash after handling.
In Handling and
Storage
Other Precautions and/or Special
Hazards
Keep in sealed containers away from moisture. The silica gel will readily adsorb moisture.
*Optional
Indicating Silica Gel
C-7
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
MATERIAL SAFETY DATA SHEET
Effective Date
MSDS Number
March 8, 2005
M163
Section 1 – Product and Company Information
Product Name:
Silica gel, indicating, yellow
Product Use:
Grades:
Synonyms:
Desiccant, absorbent
Silica gel, indicating
Amorphous silica gel, SiO2, silicon dioxide (amorphous)
Company;
Street Address:
City, State, Zip, Country:
Multisorb Technologies, Inc.
325 Harlem Road
Buffalo, NY 14224-1893 USA
Telephone Number:
Fax Number:
Website / E-Mail :
(716) 824 8900 [USA] Monday - Friday (8:00 - 5:00 EDT)
(716) 824 4091 [USA]
multisorb.com
Section 2 – Composition / Information on Ingredients
Component Name
CAS Number
% by Weight
100
Synthetic amorphous silica gel (SiO2)
Phenolphthalein
112926-00-8
77-09-08
100 ppm
While this material is not classified, this MSDS contains valuable information critical to the safe handling
and proper use of this product. This MSDS should be retained and available for employees and other users
of this product.
Section 3 – Hazard Identification
Emergency Overview:
A yellow bead or granular material that poses little or no immediate hazard.
This material is not combustible.
Potential Health Effects:
Eyes:
Dust and or product may cause eye discomfort and irritation seen as tearing and reddening.
Skin:
The product dust may cause drying of the skin. Silica gel may get hot enough to burn skin
when it adsorbs moisture rapidly. Use an excess of water to cool the silica gel.
Ingestion:
Material is not toxic and will pass through the body normally.
Inhalation: Slight irritation is possible but none is expected.
Medical Effects Generally Aggravated by Exposure:
Respiratory ailments.
Chronic Effects/Carcinogenity:
May cause eye, skin and mucous membrane irritation and drying.
C-8
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
Section 4 – First Aid Measures
Eyes:
Rinse the eyes well with water while lifting the eye lids. If irritation persists, consult a
physician.
Skin:
Wash affected area with soap and water.
Ingestion:
Inhalation:
Ingestion is unlikely, this material will pass through the body normally.
Remove the affected person to fresh air and get medical attention if necessary.
Notes to Physician: Not applicable
Section 5 – Fire Fighting Measures
Flammable Properties: Not flammable
Flash Point: Not applicable
Method:
Not applicable
Flammable Limits:
Not flammable
Lower Flammability Limit: Not applicable
Upper Flammability Limit: Not applicable
Autoignition Temperature: Not applicable
Hazardous Combustion Products: Not applicable
Extinguishing Media: Use extinguishing media that is appropriate for the surrounding fire. Silica gel is
not combustible.
Fire Fighting Instructions: Not combustible
Unusual Fire and Explosion Hazards: None
Section 6 – Accidental Release Measures
Spill: Sweep or vacuum up and place the spilled material in a waste disposal container. Avoid raising dust.
Wash with soap and water after handling.
Section 7 – Handling and Storage
Handling:
Avoid raising dust and minimize the contact between worker and the material. Practice
good hygienic work practices.
Storage:
Store in a cool, dry location. Keep in sealed containers away from moisture. The silica gel
will readily adsorb moisture.
C-9
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
Section 8 – Exposure Controls/Personal Protection
Engineering Controls:
Use exhaust ventilation to keep the airborne concentrations below the exposure
limits.
Respiratory Protection: Use NIOSH approved respirator when the air quality levels exceed the TLV's.
Skin Protection:
Eye Protection:
Light gloves will protect against abrasion and drying of the skin.
Safety glasses.
Component Name
Exposure Limits
OSHA
PEL
ACGIH
TLV
Other
Recommended
Limits
TWA 10 mg / m3
NIOSH REL
Silica gel
TWA 20 mppcf
TWA 6 mg / m3
(80 mg / m3 % SiO2)
IDLH 3000 mg / m3
Phenolphthalein
Not Applicable
Not Applicable
Not Applicable
Section 9 – Physical and Chemical Properties
Appearance:
Odor:
Yellow beads or granules
None
Vapor Density:
Not applicable
Boiling Point:
Melting Point:
Solubility:
4046q F (2230q C)
3110q F (1710q C)
Insoluble in water
Physical State:
PH:
Solid bead
Not applicable
Vapor Pressure: Not applicable
Specific Gravity: 2.1
Section 10 – Stability and Reactivity
Stability:
Stable
Conditions to avoid:
Moisture and high humidity environments.
Incompatibility: Water, fluorine, oxygen difluoride, chlorine trifluoride
Hazardous Decomposition Products: None
Hazardous Polymerization:
Will not occur
C-10
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
Section 11 – Toxicological Information
This product and its components are not listed on the NTP or OSHA Carcinogen lists.
Animal Toxicology Tests for DOT Hazard classification
( Tests Conducted on finely ground silica gel)
1 - hour LC50 (rat) > 2 mg / l
48 - hour oral LD50 (rat) est. > 31,600 mg / kg
48 - hour dermal LD50 (rabbit) est. > 2,000 mg / kg
Considered an ocular irritant
Human Toxicology Silica gel is a synthetic amorphous silica not to be confused with crystalline silica.
Epidemiological studies indicate low potential for adverse health effects. In the activated form, silica gel
acts as a desiccant and can cause a drying irritation of the mucous membranes and skin in cases of severe
exposure. Multisorb Technologies Inc. knows of no medical conditions that are abnormally aggravated by
exposure to silica gel. The primary route of entry is inhalation of dust.
Section 12 – Ecological Information
Not known to have any adverse effect on the aquatic environment. Silica gel is insoluble and non-toxic.
Section 13 – Disposal Information
Disposal Information If this product as supplied becomes a waste, it does not meet the criteria of a
hazardous waste as defined under the Resource Conservation and Recovery Act (RCRA) 40 CFR 261.
Materials of a hazardous nature that contact the product during normal use may be retained on the product.
The user of the product must identify the hazards associated with the retained material in order to assess the
waste disposal options. Dispose according to federal, state and local regulations.
Section 14 – Transportation Information
U.S. Department of Transportation Shipping Name:
Not classified as a hazardous material. Not regulated.
Section 15 – Regulatory Information (Not meant to be all inclusive - selected regulations represented)
TSCA Listed: Yes
DSL/NDSL (Canadian) Listed: Yes
OSHA:
TWA 20 mppcf (80 mg / m3 % SiO2) for Silica gel
NIOSH: REL TWA 6 mg / m3 IDLH 3,000 mg / m3 for silica gel
Animal tests conducted in 1976 - 1978. 18 month exposure at 15 mg / m3 showed silica
deposition in respiratory macrophages and lymph nodes, minimum lung impairment, no silicosis.
ACGIH: TLV - 10 mg / m3 for Silica gel
DOT:
Not classified as a hazardous material.
C-11
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2150EX Area Velocity Flow Module
Appendix C Material Safety Data Sheets
Section 16 – Other Information
HMIS – Hazardous Materials Identification System
HMIS Rating
Health
Flammability
Reactivity
0
0
0
0 - minimal hazard, 1 - slight hazard, 2 - moderate hazard, 3 - serious hazard, 4 - severe hazard
This MSDS was prepared by: George E. Mckedy
Senior Applications Development Specialist
Multisorb Technologies, Inc.
This data and recommendations presented in this data sheet concerning the use of our product and the materials
contained therein are believed to be correct but does not purport to be all inclusive and shall be used only as a guide.
However, the customer should determine the suitability of such materials for his purpose before adopting them on a
commercial scale. Since the use of our products is beyond our control, no guarantee, expressed or implied, is made and
no responsibility assumed for the use of this material or the results to be obtained therefrom. Information on this form
is furnished for the purpose of compliance with Government Health and Safety Regulations and shall not be used for
any other purposes. Moreover, the recommendations contained in this data sheet are not to be construed as a license to
operate under, or a recommendation to infringe, any existing patents, nor should they be confused with state, municipal
or insurance requirements, or with national safety codes.
C-12
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
The intrinsically safe 2150EX is intended for use in potentially
explosive atmospheres, and complies with ATEX Directive
94/9/EC. The 2150EX is Group II, Category 1G or 2G equipment
for use in gas hazard zones 0, 1, and 2. For safety information
specific to the 2150EX, refer to the Safety Information section at
the front of this manual.
The safety of the personnel who use the 2150EX is a critical con-
sideration. The following general safety procedures, applicable to
working in and around manholes and sewers, are those used by
Black & Veatch, a respected consulting firm, and are published
here by their permission.
Field personnel must keep safety uppermost in their minds at all
times. When working above ground, rules of common sense and
safety prevail. However, when entering manholes, strict safety
procedures must be observed. Failure to do so could jeopardize
not only your own life, but also the lives of other crew members.
CAUTION
Before you install any flow logger, you must take the proper
safety precautions. The following discussion of safety proce-
dures offers only general guidelines. Each situation in which
you install a flow logger varies. You must take into account the
individual circumstances of each installation.
Additional safety considerations, other than those discussed
here, may be required. Check applicable guidelines, codes, and
regulations of federal, state, city, and county agencies.
D.1 Hazards
There are many hazards connected with entering manholes.
Some of the most common hazards are:
• Adverse Atmosphere–The manhole may contain
flammable or poisonous gases or the atmosphere may be
deficient in oxygen. Forced ventilation may be necessary.
• Deteriorated Rungs–Manhole steps may be corroded
and not strong enough to support a man. It may be
difficult to inspect the rungs because of poor lighting.
• Traffic–Whenever manholes are located in the traveled
way, barricades and warning devices are essential to
direct traffic away from an open manhole.
• Falling Objects–Items placed near the manhole opening
may fall and injure a worker in the manhole. All loose
items should be kept away from the manhole opening.
D-1
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
This applies to hand tools as well as stones, gravel and
other objects.
• Sharp Edges–Sharp edges of items in or near a manhole
may cause cuts or bruises.
• Lifting Injuries–Unless proper tools are used to remove
manhole covers, back injuries or injuries to hands or feet
may result.
D.2 Planning
Advance planning should include arrangements for test
equipment, tools, ventilating equipment, protective clothing,
traffic warning devices, ladders, safety harness, and adequate
number of personnel. Hasty actions may result in serious
injuries. Time spent in the manhole should be kept to a
minimum.
D.3 Adverse Atmospheres
[Refer to the table of Hazardous Gases at the end of this
Appendix.] Before workers enter a manhole, tests should be
made for explosive atmosphere, presence of hydrogen sulfide,
and oxygen deficiency. Combustible or toxic vapors may be
heavier than air, so the tests on the atmosphere must be run at
3
least /4 of the way down the manhole.
Whenever adverse atmosphere is encountered, forced ventilation
must be used to create safe conditions. After the ventilating
equipment has been operated for a few minutes, the atmosphere
in the manhole should be retested before anyone enters the
manhole.
When explosive conditions are encountered, the ventilating
blower should be placed upwind to prevent igniting any gas that
is emerging from the opening. When a gasoline engine blower is
used, it must be located so that exhaust fumes cannot enter the
manhole.
If testing equipment is not available, the manhole should be
assumed to contain an unsafe atmosphere and forced ventilation
must be provided. It should never be assumed that a manhole is
safe just because there is no odor or the manhole has been
entered previously.
D.4 Entering Manholes
Since the top of the manhole is usually flush with the sur-
rounding surface, there may not be anything for the person who
is entering the manhole to grab on to steady himself. Persons
who are entering manholes should not be permitted to carry any-
thing in their hands as they enter the manhole, to ensure that
their hands will be free to hold on or grab if they slip. A good
method for entering a manhole is to sit on the surface facing the
manhole steps or ladder, with the feet in the hole and the arms
straddling the opening for support. As the body slides forward
and downward, the feet can engage a rung, and the back can rest
against the opposite side of the opening. If there is any doubt
about the soundness of the manhole steps, a portable ladder
should be used.
D-2
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
A person should never enter a manhole unless he is wearing per-
sonal safety equipment, including a safety harness and a hard
hat. Two persons should be stationed at the surface continuously
while anyone is working inside a manhole, to lift him out if he is
overcome or injured. One man cannot lift an unconscious man
out of a manhole.
The persons stationed at the surface should also function as
guards to keep people and vehicles away from the manhole
opening. To avoid a serious injury, a person should not be lifted
out of manhole by his arm unless it is a dire emergency.
When more than one person must enter a manhole, the first
person should reach the bottom and step off the ladder before the
next one starts down. When two men climb at the same time, the
upper one can cause the lower one to fall by slipping or stepping
on his fingers.
D.4.1 Traffic Protection
In addition to traffic cones, markers, warning signs, and barri-
cades, a vehicle or a heavy piece of equipment should be placed
between the working area and oncoming traffic. Flashing
warning signals should be used to alert drivers and pedestrians.
Orange safety vests should be worn by personnel stationed at the
surface when the manhole is located in a vehicular traffic area.
D.4.2 Removing the Covers
Manhole covers should be removed with a properly designed
hook. Use of a pick ax, screwdriver, or small pry bar may result
in injury. A suitable tool can be made from /4-inch round or hex
3
stock. Two inches of one end should be bent at a right angle and
the other end should be formed into a D-handle wide enough to
accommodate both hands. Even with this tool, care must be exer-
cised to prevent the cover from being dropped on the toes. The
2-inch projection should be inserted into one of the holes in the
cover, the handle grasped with both hands, and the cover lifted
by straightening the legs which have been slightly bent at the
knees.
D.4.3 Other Precautions
Other precautions which should be taken when entering a
manhole are:
• Wear a hard hat.
• Wear coveralls or removable outer garment that can be
readily removed when the work is completed.
• Wear boots or nonsparking safety shoes.
• Wear rubberized or waterproof gloves.
• Wear a safety harness with a stout rope attached.
• Do not smoke.
• Avoid touching yourself above the collar until you have
cleaned your hands.
D-3
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
D.4.4 Emergencies
Every member of the crew should be instructed on procedures to
be followed in cases of an emergency. It is the duty of each crew
chief to have a list of emergency phone numbers, including the
nearest hospital and ambulance service, police precinct, fire
station, and rescue or general emergency number.
D.4.5 Field Equipment
The following equipment should be available for use:
BlowersGloves
Breathing apparatusHard Hats
CoverallHarnesses
First aid kitsManhole irons
Emergency flashersPick axes
FlashlightRain slickers
Mirror Ropes
Gas detectorsSafety vests
Gas masksTraffic cones
Waders
D.5 Lethal Atmospheres in The following is an article written by Dr. Richard D. Pomeroy,
and published in the October 1980 issue of “Deeds & Data” of the
Sewers
WPCF. Dr. Pomeroy is particularly well known for his studies,
over a period of nearly 50 years, in the field of the control of
hydrogen sulfide and other odors in sewers and treatment plants.
He has personally worked in a great many functioning sewers. In
the earlier years he did so, he admits, with little knowledge of the
grave hazards to which he exposed himself.
“It is gratifying that the subject of hazards to people work-
ing in sewers is receiving much more attention than in
past years, and good safety procedures are prescribed in
various publications on this subject. It is essential that
people know and use correct procedures.
“It is less important to know just what the hazardous com-
ponents of sewer atmospheres are, as safety precautions
should in general be broadly applicable, but there should
be a reasonable understanding of this subject. It is disturb-
ing to see statements in print that do not reflect true condi-
tions.
“One of the most common errors is the assumption that
people have died from a lack of oxygen. The human body is
able to function very well with substantially reduced oxy-
gen concentrations. No one worries about going to
Santa Fe, New Mexico, (elev. 2,100 meters), where the par-
tial pressure of oxygen is equal to 16.2% (a normal atmo-
sphere is about 21%) oxygen. “When first going there, a
person may experience a little ‘shortness of breath’ follow-
ing exercise.
“People in good health are not afraid to drive over the high
passes in the Rocky Mountains. At Loveland Pass, oxygen
pressure is 13.2% of a normal atmosphere. At the top of Mt.
D-4
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
Whitney, oxygen is equal to 12.2%t. Many hikers go there,
and to higher peaks as well. After adequate acclimation,
they may climb to the top of Mt. Everest, where oxygen is
equal to only 6.7%.
“The lowest oxygen concentrations that I have observed in
a sewer atmosphere was 13 percent. It was in a sealed
chamber, near sea level, upstream from an inverted siphon
on a metropolitan trunk. A man would be foolish to enter
the chamber. Without ventilation, he might die, but not
from lack of oxygen.
“It seems unlikely that anyone has ever died in a sewer
from suffocation, that is, a lack of oxygen. Deaths have
often been attributed to ‘asphyxiation.’ This is a word
which, according to the dictionary, is used to mean death
from an atmosphere that does not support life. The word
has sometimes been misinterpreted as meaning suffoca-
tion, which is only one kind of asphyxiation.
“In nearly all cases of death in sewers, the real killer is
hydrogen sulfide. It is important that this fact be recog-
nized. Many cities diligently test for explosive gases, which
is very important, and they may measure the oxygen con-
centration which usually is unimportant, but they rarely
measure H S. Death has occurred where it is unlikely that
2
there was any measurable reduction in the oxygen concen-
tration. Waste water containing 2 mg per liter of dissolved
sulfide, and at a pH of 7.0, can produce, in a chamber with
high turbulence, a concentration of 300 PPM H S, in the
2
air. This is considered to be a lethal concentration. Many
people have died from H S, not only in sewers and indus-
2
tries, but also from swamps and from hot springs. In one
resort area, at least five persons died from H S poisoning
2
before the people were ready to admit that H S is not a
2
therapeutic agent. Hardly a year passes in the US. without
a sewer fatality from H S as well as deaths elsewhere in
2
the world.
“The presence of H S in a sewer atmosphere is easily
2
determined. A bellows-and-ampoule type of tester is very
satisfactory for the purpose, even though it is only crudely
quantitative. When using a tester of this type, do not bring
the air to the ampoule by way of a tube, as this may change
the H S concentration. Hang the ampoule in the air to be
2
tested, with a suction tube to the bulb or bellows.
“Lead acetate paper is very useful as a qualitative indica-
tor. It cannot be used to estimate the amount of sulfide, but
it will quickly turn black in an atmosphere containing only
a tenth of a lethal concentration.
“Electrodes or other similar electrical indicating devices for
H S in air have been marketed. Some of them are known to
2
be unreliable, and we know of none that have proved
dependable. Do not use one unless you check it at frequent
intervals against air containing known H S concentra-
2
D-5
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
tions. A supposed safety device that is unreliable is worse
than none at all.
“Remember that the nose fails, too, when it comes to sens-
ing dangerous concentrations of H S.
2
“Various other toxic gases have been mentioned in some
publications. It is unlikely that any person has been
asphyxiated in a sewer by any of those other gases, except
possibly chlorine. The vapor of gasoline and other hydro-
carbons is sometimes present in amounts that could cause
discomfort and illness, but under that condition, the explo-
sion hazard would be far more serious. The explosimeter
tests, as well as the sense of smell, would warn of the dan-
ger. Pipelines in chemical plants might contain any num-
ber of harmful vapors. They, too, are sensed by smell and
explosimeter tests if they get into the public sewer. Such
occurrences are rare.
“The attempt to instill a sense of urgency about real haz-
ards is diluted if a man is told to give attention to a long
list of things that in fact are irrelevant.
“Be very careful to avoid high H S concentrations, flamma-
2
ble atmospheres, and hazards of physical injuries. Remem-
ber that much H S may be released by the stirring up of
2
sludge in the bottom of a structure. Obey your senses in
respect to irritating gases, such as chlorine (unconscious-
ness comes suddenly from breathing too much). Be cau-
tious about strange odors. Do not determine percent
oxygen in the air. There is a danger that the result will
influence a man's thinking about the seriousness of the
real hazards. Most important, use ample ventilation, and
do not enter a potentially hazardous structure except in a
good safety harness with two men at the top who can lift
you out.”
D-6
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
Table D-1 Hazardous Gases
Gas
Chemical
Formula
Common
Properties
Specific
Gravity or
Vapor
Density
Air = 1
Physiological
Effect*
Max
Safe
60 Min.
Exposure
ppm
Max.
Safe
8 Hour
Exposure
ppm
Explosive
Range
(% by vol.
in air.)
Limits
Likely
Location
of
Highest
Concentration
Most
Common
Sources
Simplest and
Cheapest
Safe Method
of Testing
lower/upper
Ammonia
NH
3
Irritant and poisonous. Col-
orless with characteristic
odor.
0.60
Causes throat and
eye irritation at
0.05%, coughing
at 0.17%. Short
exposure at 0.5%
to 1% fatal.
300
to
85
16
25
Near top.
Sewers, chemical
feed rooms
Detectable
Concentrates
in closed up-
per spaces
odor at low
500
concentrations
Benzene
C H
6
Irritant, colorless
anesthetic
2.77
2.64
1.53
Slight symptoms
3,000
to
25
15
1.3
7.1
At bottom
At bottom
Industrial wastes,
varnish, solvents
Combustible
gas indicator
6
after several hours
exposure at 0.16% to 0.32%.
2% rapidly fatal.
5,000
Carbon
CS
Nearly odorless
when pure, color-
less, anesthetic.
Poisonous.
Very poisonous,
irritating, vomiting,
convulsions, psychic distur-
bance.
—
1.3
An insecticide
Combustible
gas indicator
2
Bisulfide
44.0
Carbon
Dioxide
CO
Asphyxiant, Colorless,
odorless. When breathed
in large quantities, may
cause acid taste.
Cannot be endured at 10%
more than a few minutes,
even if subject is at rest and
oxygen content is normal.
Acts on respiratory nerves.
40,000
to
5,000
—
—
At bottom;
Products of combus-
tion, sewer gas,
sludge. Also issues
from carbonaceous
strata.
Oxygen
2
when heated
may stratify
at points
deficiency
indicator
60,000
Non-flammable. Not gen-
erally present in danger-
ous amounts unless an
oxygen deficiency exists.
above bottom.
Carbon
CO
Chemical asphyxiant. Col-
orless, odorless, tasteless.
Flammable.
0.97
Combines with hemoglobin
of blood. Unconsciousness
in 30 min. at 0.2% to 0.25%.
Fatal in 4 hours at 0.1%.
Headache in few hours at
0.02%.
400
50
12.5
74.0
Near top,
especially if
present with
illuminating
gas.
Manufactured gas,
flue gas, products of
combustion, motor
exhausts. Fires of
almost any kind.
CO ampoules
Monoxide
Poisonous.
Carbon
Tetra-
CCl
Heavy, ethereal odor.
5.3
Intestinal upset, loss of con-
sciousness, possible renal
damage, respiratory failure.
1,000
to
100
1
—
—
At bottom.
At bottom.
Industrial wastes,
solvent, cleaning
Detectable odor
4
at low concentrations
Chloride
1,500
Chlorine
Cl
Irritant. Yellow-green color.
Choking odor detectable in
very low concentrations.
Non-flammable.
2.49
Irritates respiratory tract.
Kills most animals in a very
short time at 0.1%.
4
—
—
Chlorine cylinder and Detectable odor at
2
feed line leaks
low concentrations
Formal-
dehyde
CH O
2
Colorless, pungent suffo-
cating odor.
1.07
Irritating to the nose.
—
10
7.0
Near bottom
At bottom
Incomplete combus-
tion of organics.
Common air pollut-
ant, fungicide.
Detectable odor
73.0
Gasoline
C H
5
Volatile solvent.
3.0
to
Anesthetic effects when
inhaled. Rapidly fatal at
2.4%. Dangerous for short
exposure at 1.1 to 2.2%.
4,000
to
1,000
1.3
6.0
Service stations,
garages, storage
tanks, houses.
1. Combustible
gas indicator.
12
to
Colorless. Odor notice-
able at 0.03%. Flammable.
C H
9
4.0
7,000
20
2. Oxygen
deficiency
indicator.**
Hydrogen
H
Simple asphyxiant. Color-
less, odorless, tasteless.
Flammable
0.07
0.93
Acts mechanically to deprive
tissues of oxygen. Does not
support life.
—
—
—
4.0
At top
Manufactured gas,
Combustible gas
2
74.0
sludgedigestiontank indicator
gas, electrolysis of
water. Rarely from
rock strata.
Hydrogen
Cyanide
HCN
Faint odor of bitter
almonds.
Slight symptoms appear
upon exposure to 0.002% to
0.004%. 0.3% rapidly fatal.
10
6.0
Near top
Insecticide and
rodenticide
Detector tube
40.0
Colorless gas
D-7
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2150EX Area Velocity Flow Module
Appendix D General Safety Procedures
Table D-1 Hazardous Gases (Continued)
Gas
Chemical
Formula
Common
Properties
Specific
Gravity or
Vapor
Density
Air = 1
Physiological
Effect*
Max
Safe
60 Min.
Exposure
ppm
Max.
Safe
8 Hour
Exposure
ppm
Explosive
Range
(% by vol.
in air.)
Limits
Likely
Location
of
Highest
Concentration
Most
Common
Sources
Simplest and
Cheapest
Safe Method
of Testing
lower/upper
Hydrogen
Sulfide
H S
2
Irritant and poisonous vol-
atile compound. Rotten
egg odor in small concen-
trations. Exposure for 2 to
15 min. at 0.01% impairs
sense of smell. Odor not
evident at high concentra-
tions. Colorless. Flamma-
ble.
1.19
Impairs sense of smell, rap-
idly as concentration
200
to
20
4.3
Near bottom,
but may be
above bottom
if air is heated
and highly
Coal gas, petro-
leum, sewer gas.
Fumes from blasting
under some condi-
tions.
1. H S Ampoule.
2
45.0
increases. Death in few min-
utes at 0.2%. Exposure to
0.07 to 0.1% rapidly causes
acute poisoning. Paralyzes
respiratory center.
300
2. 5% by weight
lead acetate
solution.
humid.
Sludge gas.
Methane
CH
4
Simple asphyxiant.
Colorless, odorless, taste-
less, flammable.
0.55
Acts mechanically to deprive Probably no
—
5.0
At top, increas- Natural gas, sludge
1. Combustible
gas indicator
tissues of oxygen. Does not
support life.
limit, pro-
videdoxygen
percent-age
is sufficient
for life.
15.0
ing to certain
depth.
gas, manufactured
gas, sewer gas.
Strata of sedimen-
tary origin. In
2. Oxygen defi-
ciency indicator.
swamps or marshes.
Nitrogen
N
2
Simple asphyxiant. Color-
less, tasteless. Non-flam-
mable. Principal
0.97
1.04
Physiologically inert.
—
—
—
—
Near top, but
may be found
near bottom.
Sewer gas. sludge
gas. Also issues
from some rock
strata.
Oxygen
deficiency
indicator
constituent of air. (about
79%).
Nitrogen
Oxides
NO
Colorless
60 to 150 ppm cause irritation
and coughing.
50
10
—
—
Near bottom
Industrial wastes.
Common air pollut-
ant.
NO detector tube
2
N O
2
Colorless,
sweet odor.
1.53
1.58
Asphyxiant.
NO
2
Reddish-brown.
Irritating odor.
Deadly poison
100 ppm dangerous.
200 ppm fatal.
Oxygen
O
2
Colorless, odorless, taste-
less. Supports combus-
tion.
1.11
Normal air contains 20.8% of
—
—
—
—
Variable at dif-
ferent levels.
Oxygen depletion
from poor ventilation
and absorption, or
chemical consump-
tion of oxygen.
Oxygen deficiency
indicator
O . Man can tolerate down to
2
12%. Minimum safe 8 hour
exposure, 14 to 16%. Below
10%, dangerous to life. Below
5 to 7% probably fatal.
Ozone
O
3
Irritant and poisonous.
Strong electrical odor.
Strong oxidizer. Colorless.
At 1 ppm, strong sulfur-like
odor.
1.66
Max. naturally occurring
level is 0.04 ppm. 0.05 ppm
causes irritation of eyes and
nose. 1 to 10 ppm causes
headache, nausea; can
0.08
0.04
—
—
Near bottom
Where ozone is used
for disinfection
Detectable odor
at 0.015 ppm
cause coma. Symptoms sim-
ilar to radiation damage.
Sludge
Gas
—***
Mostly a simple asphyx-
iant. May be practically
odorless, tasteless.
Variable
2.26
Will not support life.
No data. Would
5.3
Near top of
structure
From digestion of
sludge
See components
vary widely with composi-
tion.
19.3
Sulfur
SO
2
Colorless, pungent odor.
Suffocating, corrosive, poi-
sonous, non-flammable.
Inflammation of the eyes. 400
to 500 ppm immediately fatal.
50
to
10
—
—
At bottom, can
combine with
water to form
sulfurous acid.
Industrial waste,
combustion, com-
mon air pollutant.
Detectable taste and
odor at low concen-
tration
Dioxide
100
Toluene
C H
5
Colorless, benzene-like
odor.
3.14
4.84
At 200-500 ppm, headache,
nausea, bad taste, lassitude.
200
—
100
100
1.27
7.0
At bottom
Solvent
Combustible gas
indicator
12
to
C H
9
20
Turpentine
C H
10 16
Colorless, Characteristic
odor.
Eye irritation. Headache, diz-
ziness, nausea, irritation of
the kidneys.
At bottom.
Solvent, used in
paint
1. Detectable odor
at low
concentrations.
2.Combustible
gas indicator.
Xylene
C H
8
Colorless, flammable
3.66
Narcotic in high concentra-
tions. less toxic than ben-
zene.
—
100
1.1
7.0
At bottom
Solvent
Combustible gas
indicator
10
* Percentages shown represent volume of gas in air.
** For concentration over 0.3%.
***Mostly methane and carbon dioxide with small amounts of hydrogen, nitrogen, hydrogen sulfide, and oxygen; occasionally traces of carbon monoxide.
D-8
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2150EX Area Velocity Flow System
Index
A
L
area velocity sensor
M
maintenance
B
measurement
C
D
F
N
G
P
I
installation
portable installation
Index-1
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2150EX Area Velocity Flow System
Index
R
S
T
W
X
Index-2
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DECLARATION OF CONFORMITY
Application of Council Directive: 89/336/EEC – The EMC Directive
73/23/EEC – The Low Voltage Directive
94/9 EC – The ATEX Directive
Manufacturer's Name: Teledyne Isco, Inc.
Manufacturer's Address: 4700 Superior, Lincoln, Nebraska 68504 USA
Mailing Address: P.O. Box 82531, Lincoln, NE 68501
Equipment Type/Environment: Laboratory Equipment for Light Industrial/Commercial Environments:
The device is a water flow monitoring instrument consisting of a battery
power supply housed inside a black plastic enclosure (base) and a flow
monitoring electronic circuit board assembly housed inside a plastic
enclosure that is mounted on top of the power supply enclosure. The device
is intended for operation in ambient temperature range of -40 to +60 C.
Trade Name/Model No: 2150EX Node and AV2150EX Sensor
Year of Issue: 2004
Standards to which Conformity is Declared: EN 50014:1997 + Amd 1&2, Electrical Apparatus for Potentially Explosive
Atmospheres – General Requirements
EC-Type Examination Certificates:
Flow Module Type 2150EX: Baseefa04ATEX0083
Sensor Type AV2150EX: Baseefa04ATEX0101X
EN 50020:2002, Electrical Apparatus for Potentially Explosive Atmospheres –
Intrinsically Safe “i”
EN 50284:1999, Special Requirements for Construction, Test, and Marking of
Electrical Apparatus of Equipment Group II Category 1G
EN 61010-1, Safety Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use
EN 61326:1998, EMC Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use
EN 60529:1992, Degrees of Protection Provided by Enclosure
Self Certified as IP-65
The 2150EX flow Monitoring System is covered
by a QA Notification to Annex 4 of the 94/9/EC
Directive issued by Baseefa NB number 1180.
Standard
Description
Severity Applied
Performance Criteria
EN61000-4-2
Electrostatic Discharge
Level 2 – 4Kv contact discharge
Level 3 – 8Kv air discharge
A
A
EN61000-4-3
*Radiated RF Immunity
80 MHz to 1000MHz 80% AM at 1KHz
Level 1 – 10V/m
*B
EN61000-4-4
EN61000-4-6
Electrical Fast Transient
Conducted RF on I/O lines
Level 1 – 1Kv on I/O Cables
A
B
150 KHz to 80 MHz,
Level 2 - 3Vrms, 80% modulated
CISPR11/
EN 55011
RF Emissions
Group 1, Class A Industrial, Scientific, and
Medical Equipment
Sensor flow accuracy degradation is evident in RF fields above 3V/m between 210MHz and 440MHz.
We, the undersigned, hereby declare that the design of the equipment specified above conforms to the above Directive(s) and
Standards as of April 15, 2004.
William Foster
USA Representative
William Foster
Director of Engineering
Teledyne Isco, Inc.
4700 Superior Street
Lincoln, Nebraska 68504
Phone: (402) 464-0231
Fax: (402) 464-4543
60-2002-333
Rev A
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Compliance Statements
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DECLARATION OF CONFORMITY
Application of Council Directive: 89/336/EEC -The EMC Directive
73/23/EEC - The Low Voltage Directive
94/9 EC - The ATEX Directive
Manufacturer's Name: Teledyne Isco, Inc.
Manufacturer's Address: 4700 Superior, Lincoln, Nebraska 68504 USA
Mailing Address: P.O. Box 82531, Lincoln, NE 68501
Equipment Type/Environment: Laboratory Equipment for Light Industrial/Commercial Environments:
The device is a water flow monitoring instrument consisting of a battery
power supply housed inside a black plastic enclosure (base) and a flow
monitoring electronic circuit board assembly housed inside
a
plastic
enclosure that is mounted on top of the power supply enclosure. The device
is intended for operation in ambient temperature range of -40 to +60 C.
2191EX Battery Node and LTC2191EX Battery or SLA2191EX Battery
Trade Name/Model No:
Year of Issue: 2004
Standards to which Conformity is Declared: EN 50014:1997 + Amd 1&2, Electrical Apparatus for Potentially Explosive
Atmospheres – General Requirements
EC-Type Examination Certificates:
Battery Type LTC2191EX: Baseefa04ATEX0014
Battery Node Type2191EX: Baseefa04ATEX0013/1
Battery Type SLA2191EX: Baseefa04ATEX0339
EN50020:2002, Electrical Apparatus for Potentially Explosive Atmospheres –
Intrinsically Safe “i”
EN50284:1999, Special Requirements for Construction, Test, and Marking of
Electrical Apparatus of Equipment Group II Category 1G
EN 61010-1, Safety Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use
The 2150EX Flow Monitoring System is covered
by a QA Notification to Annex 4 of the 94/9/EC
Directive issued by Baseefa NB number 1180.
EN 61326-1998, EMC Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use
EN60529:1992, Degrees of Protection Provided by Enclosure
Self Certified as IP-65
EMC Standard
Description
Severity Applied
Performance Criteria
EN61000-4-2
Electrostatic Discharge
Level 2 – 4Kv contact discharge
Level 3 – 8Kv air discharge
A
A
EN61000-4-3
Radiated RF Immunity
80 MHz to 1000MHz 80% AM at 1KHz
Level 1 – 10V/m
A
EN61000-4-4
EN61000-4-6
Electrical Fast Transient
Level 1 – 1Kv on I/O Cables
A
B
Conducted RF on I/O Cables
150KHz to 80MHz
Level 2 - 3Vrms 80% modulated
CISPR11/
EN 55011
RF Emissions
Group 1, Class A Industrial, Scientific, and
Medical Equipment
We, the undersigned, hereby declare that the design of the equipment specified above conforms to the above Directive(s) and
Standards as of April 15, 2004.
William Foster
USA Representative
Teledyne Isco Inc.
William Foster
Director of Engineering
Teledyne Isco, Inc.
4700 Superior Street
Lincoln, Nebraska 68504
Phone: (402) 464-0231
Fax: (402) 464-4543
60-2002-334
Rev B
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DECLARATION OF CONFORMITY
Application of Council Directive: 89/336/EEC -The EMC Directive
73/23/EEC - The Low Voltage Directive
94/9 EC - The ATEX Directive
Manufacturer's Name: Teledyne Isco, Inc.
Manufacturer's Address: 4700 Superior, Lincoln, Nebraska 68504 USA
Mailing Address: P.O. Box 82531, Lincoln, NE 68501
Equipment Type/Environment: Laboratory Equipment for Light Industrial/Commercial Environments:
The device is a water flow monitoring instrument consisting of a battery power supply
housed inside a black plastic enclosure (base) and a flow monitoring electronic circuit
board assembly housed inside a plastic enclosure that is mounted on top of the power
supply enclosure. The device is intended for operation in ambient temperature range of
-40 to +60 C.
Trade Name/Model No: 2194EX Network Interface Module
Year of Issue: 2005
Standards to which Conformity is Declared:
EN 50014:1997 + Amd 1&2, Electrical Apparatus for Potentially Explosive
Atmospheres – General Requirements
EN50020:2002, Electrical Apparatus for Potentially Explosive Atmospheres –
Intrinsically Safe “i”
EC-Type Examination Certificates:
Interface Type 2194EX: Baseefa04ATEX0028X
EN50284:1999, Special Requirements for Construction, Test, and Marking of
Electrical Apparatus of Equipment Group II Category 1G
EN 61010-1, Safety Requirements for Electrical Equipment for Measurement, Control,
and Laboratory Use
The 2150EX Flow Monitoring System is covered by a
QA Notification to Annex 4 of the 94/9/EC Directive
issued by Baseefa NB number 1180.
EN 61326-1998, EMC Requirements for Electrical Equipment for Measurement,
Control, and Laboratory Use
EN60529:1992, Degrees of Protection Provided by Enclosure
Self Certified as IP-65
EMC Standard
EN61000-4-2
Description
Electrostatic Discharge
Severity Applied
Level 2 – 4Kv contact discharge
Level 3 – 8Kv air discharge
Performance Criteria
A
A
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
EN61000-4-11
Radiated RF Immunity
Electrical Fast Transient
*Surge
80 MHz to 1000MHz 80% AM at 1KHz
Level 1 – 10V/m
A
A
A
B
A
Level 2 – 2Kv on AC Lines
Level 1 – 1Kv on I/O Cables
Level 2 - 1kV common mode,
Level 2 - 0.5KV differential mode
Conducted RF on I/O Cables
150KHz to 80MHz
Level 2 – 3Vrms 80% modulated
Voltage Dips/Interruptions
RF Emissions
100% Drop 10ms
CISPR11/
EN 55011
Group 1, Class A Industrial, Scientific, and
Medical Equipment
EN61000-3-3,3-4
Harmonic and Flicker
*Surge on I/O not conducted because test is irrelevant. (Surge coupled into I/O is not possible from any source in EX environment.)
We, the undersigned, hereby declare that the design of the equipment specified above conforms to the above Directive(s) and
Standards as of April 5, 2005.
William Foster
USA Representative
William Foster
Director of Engineering
Teledyne Isco, Inc.
4700 Superior Street
Lincoln, Nebraska 68504
Phone: (402) 464-0231
Fax: (402) 464-4543
60-2002-335 Rev
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DECLARATION OF CONFORMITY
Application of Council Directive: 89/336/EEC -The EMC Directive
73/23/EEC - The Low Voltage Directive
94/9 EC - The ATEX Directive
Manufacturer's Name: Teledyne Inc.
Manufacturer's Address: 4700 Superior, Lincoln, Nebraska 68504 USA
Mailing Address: P.O. Box 82531, Lincoln, NE 68501
Equipment Type/Environment: Laboratory Equipment for Light Industrial/Commercial Environments:
The device is a water flow monitoring instrument consisting of a battery
power supply housed inside a black plastic enclosure (base) and a flow
monitoring electronic circuit board assembly housed inside a plastic
enclosure that is mounted on top of the power supply enclosure. The device
is intended for operation in ambient temperature range of -40 to +60 C.
Trade Name/Model No: RS232EX and RS485EX Isolator Cable
Year of Issue: 2004
Standards to which Conformity is Declared: EN 50014:1997 + Amd 1&2, Electrical Apparatus for Potentially Explosive
Atmospheres – General Requirements
EC-Type Examination Certificates:
EN50020:2002, Electrical Apparatus for Potentially Explosive Atmospheres –
Isolator Cable Type RS232EX: Baseefa04ATEX0147
Intrinsically Safe “i”
Isolator Cable Type RS485EX: Baseefa04ATEX0261
EN50284:1999, Special Requirements for Construction, Test, and Marking of
Electrical Apparatus of Equipment Group II Category 1G
EN 61010-1, Safety Requirements for Electrical Equipment for
The 2150EX Flow Monitoring System is covered
Measurement, Control, and Laboratory Use
by a QA Notification to Annex 4 of the 94/9/EC
EN 61326-1998, EMC Requirements for Electrical Equipment for
Directive issued by Baseefa NB number 1180.
Measurement, Control, and Laboratory Use
EN60529:1992, Degrees of Protection Provided by Enclosure
Self Certified as IP-65
EMC Standard
Description
Severity Applied
Performance Criteria
EN61000-4-2
Electrostatic Discharge
Level 2 – 4Kv contact discharge
Level 3 – 8Kv air discharge
A
A
EN61000-4-3
Radiated RF Immunity
80 MHz to 1000MHz 80% AM at 1KHz
Level 1 – 10V/m
A
EN61000-4-4
EN61000-4-6
Electrical Fast Transient
Level 1 – 1Kv on I/O Cables
A
B
Conducted RF on I/O Cables
150KHz to 80MHz
Level 2 - 3Vrms 80% modulated
CISPR11/
EN 55011
RF Emissions
Group 1, Class A Industrial, Scientific, and
Medical Equipment
We, the undersigned, hereby declare that the design of the equipment specified above conforms to the above Directive(s) and
Standards as of May 20, 2004.
William Foster
USA Representative
William Foster
Director of Engineering
Teledyne Isco, Inc.
4700 Superior Street
Lincoln, Nebraska 68504
Phone: (402) 464-0231
Fax: (402) 464-4543
60-2002-084
Rev B
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DECLARATION OF CONFORMITY
Application of Council Directive: 2004/108/EC -The EMC Directive
94/9 EC - The ATEX Directive
2002/96/EC – The WEEE Directive
Manufacturer's Name: Teledyne Isco, Inc.
Manufacturer's Address: 4700 Superior, Lincoln, Nebraska 68504 USA
Mailing Address: P.O. Box 82531, Lincoln, NE 68501
Equipment Type/Environment: Laboratory Equipment for Light Industrial/Commercial Environments:
The device is a battery power supply housed inside a black plastic enclosure
(base). The device is intended for operation in ambient temperature range of
-40 to +60 C.
Trade Name/Model No:
Battery Node Type 2196EX
Year of Issue: 2007
Standards to which Conformity is Declared: EN60079-0:2004, Electrical Apparatus for Potentially Explosive Atmospheres
-General Requirements
EC-Type Examination Certificates:
Battery Node Type 2196EX:Baseefa07ATEX0033X
EN60079-7:2007, Equipment protection by increased safety “e”
EN50020:2002, Equipment protection by intrinsic safety “i”
EN61326-2003, EMC Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use
EN60529:1992, Degrees of Protection Provided by Enclosure Self Certified
as IP-68
The 2150EX Flow Monitoring System is covered
by a QA Notification to Annex 4 of the 94/9/EC
Directive issued by Baseefa NB number 1180.
EMC Standard
Description
Severity Applied
Performance Criteria
EN61000-4-2:1995
Electrostatic Discharge
Level 2 – 4Kv contact discharge
Level 3 – 8Kv air discharge
B
B
EN61000-4-3:1995
Radiated RF Immunity
80 MHz to 1000MHz 80% AM at 1KHz
A
Level 3 – 10V/m
CISPR11/
RF Emissions
Group 1, Class A Industrial, Scientific, and
EN 55011
Medical Equipment
We, the undersigned, hereby declare that the design of the equipment specified above conforms to the above Directive(s) and
Standards as of February 14, 2007.
William Foster
USA Representative
Teledyne Isco Inc.
William Foster
Director of Engineering
Teledyne Isco, Inc.
4700 Superior Street
Lincoln, Nebraska 68504
Phone: (402) 464-0231
Fax: (402) 464-4543
60-2002-541
Rev
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Replacement Policy
Although some repairs to the Teledyne Isco 2151, 2151P, 2150EX, and 2194EX modules can
be made without opening the unit (such as problems with the battery component or firm-
ware), there are some repairs that would require opening the unit. However, the Tele-
dyne Isco 2151, 2151P, and 2150EX modules cannot be opened for repair without
voiding their intrinsically safe certification. Therefore, Teledyne Isco offers a prorated
replacement cost during the first four years of ownership of the unit.
The first year is covered by Teledyne Isco’s One Year Limited Factory Service Warranty,
which will repair or replace your 2151, 2151P, or 2150EX module free of charge during
the first year, provided it meets the terms of the warranty.
For succeeding years of ownership, if failure is due to faulty parts or workmanship,
repairs that can be made without opening the unit will be done at the prevailing techni-
cal service rate. If repair would require opening the unit, Teledyne Isco will replace the
unit according to the prorated costs listed below:
• Year 2: replaced at 25% of current list price
• Year 3: replaced at 50% of current list price
• Year 4: replaced at 75% of current list price
• Year 5 and after: replaced at 100% of current list price
If you have any questions regarding replacement of your unit, please contact Teledyne
Isco.
Revised June 24, 2004
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arranty
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Teledyne Isco One Year
Limited Factory Service Warranty *
Teledyne Isco warrants covered products
This warranty does not cover loss, damage,
against failure due to faulty parts or
or defects resulting from transportation
between the customer’s facility and the repair
facility.
workmanship for a period of one year (365
days) from their shipping date, or from the
date of installation by an authorized Teledyne
Isco Service Engineer, as may be appropriate.
Teledyne Isco specifically disclaims any
warranty of merchantability or fitness for a
particular purpose.
During the warranty period, repairs,
replacements, and labor shall be provided at
no charge. Teledyne Isco’s liability is strictly
limited to repair and/or replacement, at
Teledyne Isco’s sole discretion.
This warranty applies only to products sold
under the Teledyne Isco trademark and is
made in lieu of any other warranty, written or
expressed.
Failure of expendable items (e.g., charts,
ribbon, tubing, lamps, glassware, seals,
filters, fittings, and wetted parts of valves), or
from normal wear, accident, misuse,
corrosion, or lack of proper maintenance, is
not covered. Teledyne Isco assumes no
liability for any consequential damages.
No items may be returned for warranty
service without a return authorization number
issued from Teledyne Isco.
The warrantor is Teledyne Isco, Inc.
4700 Superior, Lincoln, NE 68504, U.S.A.
* This warranty applies to the USA and countries where Teledyne Isco Inc. does not have an authorized dealer. Customers in countries outside
the USA, where Teledyne Isco has an authorized dealer, should contact their Teledyne Isco dealer for warranty service.
In the event of instrument problems, always contact the Teledyne Isco Service Department, as problems can
often be diagnosed and corrected without requiring an on-site visit. In the U.S.A., contact Teledyne Isco Service
at the numbers listed below. International customers should contact their local Teledyne Isco agent or Teledyne
Isco International Customer Service.
Return Authorization
A return authorization number must be issued prior to shipping. Following authorization,
Teledyne Isco will pay for surface transportation (excluding packing/crating) both ways for 30
days from the beginning of the warranty period. After 30 days, expense for warranty shipments
will be the responsibility of the customer.
Shipping Address: Teledyne Isco, Inc. - Attention Repair Service
4700 Superior Street
Lincoln NE 68504 USA
Mailing address: Teledyne Isco, Inc.
PO Box 82531
Lincoln NE 68501 USA
Phone: Repair service: (800)775-2965 (lab instruments)
(800)228-4373 (samplers & flow meters)
Sales & General Information (800)228-4373 (USA & Canada)
Fax: (402) 465-3001
February 1, 2006 P/N 60-1002-040 Rev C
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