Omega Engineering Stud Sensor LV860 User Manual

Users Guide  
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LV860  
Level Sensor  
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LV860 LEVEL SENSOR  
Please follow these installation, connection and adjustment instructions  
carefully. Failure to comply with these instructions or misuse of this  
equipment will void your warranty coverage.  
Equipment installation, connection and adjustment by qualified  
personnel only!  
i
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LV860 LEVEL SENSOR  
NOTES:  
ii  
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LV860 LEVEL SENSOR  
1 - Description  
Level Sensor LV860 is designed to monitor liquids, granules and powder.  
It operates on the principle of electrical capacitance changes arising when an  
electrode surrounded by air is immersed in the medium.  
• Available either as a maximum or a minimum sensor.  
• LED status indication  
Minimum switching  
Normally the sensor is immersed and the LED indicates. As the level  
drops below the sensor the LED extinguishes.  
Maximum switching  
Normally the sensor is not immersed and the LED indicates. As the level  
rises above the sensor the LED extinguishes.  
• In the event of a short-circuit in the load circuit, the LED will extinguish.  
• The LV860 in PTFE housing is suitable for foodstuffs and can be widely  
used in the food processing industry.  
1
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LV860 LEVEL SENSOR  
2 - Technical Data  
Medium temperature  
-20°C to +130°C  
-4°F to +266°F  
Short-time  
to +150°C  
+302°F  
Ambient temperature  
Pressure resistance:  
-20°C to +85°C  
-4°F to +185°F  
®
PTFE Teflon fitting  
max. 2 bar (29.4 PSI)  
Polyamide 12 fitting  
max. 25 bar (367.5 PSI)  
Response delay  
approx. 1 s  
Degree of protection  
Input voltage  
IP 65 (with mating connector)  
DC 24 V 25%  
- mark to demonstrate compliance with EC directive 89/336/EEC  
(EMC directive)  
2
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LV860 LEVEL SENSOR  
3 - Level Sensor Installation  
NOTE  
The Level Sensor may be installed in any attitude.  
1. Ensure sufficient clearance space (see fig. 1 and 2) in the container wall.  
Installation STD (fig. 1):  
• The screw joint comprises a sleeve, a spring and a slotted nut.  
• The sleeve must be welded into the container wall.  
2. Place the level sensor (without sealing compound) in the sleeve and  
tighten the spring and slotted nut.  
Installation G1A or 1" NPT (fig. 2):  
• Ensure a type G1A or 1" NPT thread in the container wall has been provided.  
2. When tightening the level sensor please use the flats provided (SW32).  
CAUTION  
Do not overtighten.  
3
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LV860 LEVEL SENSOR  
4 - Connection  
CAUTION  
Check that the supply voltage corresponds with the voltage rating  
shown on the system.  
1. Loosen the gland (PG9) (see fig. 1) and remove it together with clamping  
piece and bushing.  
2. Unscrew the female plug.  
3. Feed the supply cable through the gland (PG9), the clamping piece, the  
bushing and the female plug.  
4. Connect the cable to the terminal block (see fig. 3).  
5. Connect the supply voltage before adjusting the sensor.  
6. Increase the level until the front side of the sensor probe is partly covered  
by the medium.  
4
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LV860 LEVEL SENSOR  
7. Minimum sensor  
• Turn the potentiometer screw clockwise until the LED extinguishes. Then  
slowly turn counterclockwise (+) until the LED indicates.  
Adjust the screw a further full turn clockwise (-) to compensate for any  
tolerance.  
8. Maximum sensor  
• Turn the potentiometer screw clockwise until the LED indicates. Then  
slowly turn counterclockwise (+) until the LED extinguishes.  
Adjust the screw a further full turn counterclockwise (+) to compensate  
for any tolerance.  
9. Replace and tighten the female plug.  
10. Replace the clamping piece and bushing in the female plug.  
11. Tighten the cable gland nut (PG9).  
The Level Sensor is now connected, adjusted and ready for operation.  
5 - Operating Difficulties  
Problem:  
The level sensor fails to operate correctly.  
Solution:  
- Drop medium level below the sensor.  
- Remove the level sensor.  
- Clean the sensor probe carefully.  
The level sensor may be steam-cleaned.  
5
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LV860 LEVEL SENSOR  
NOTES:  
6
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WARRANTY/DISCLAIMER  
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and  
workmanship for a period of 13 months from date of purchase. OMEGA’s Warranty adds an  
additional one (1) month grace period to the normal one (1) year product warranty to cover  
handling and shipping time. This ensures that OMEGA’s customers receive maximum  
coverage on each product.  
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer  
Service Department will issue an Authorized Return (AR) number immediately upon phone or  
written request. Upon examination by OMEGA, if the unit is found to be defective, it will be  
repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting  
from any action of the purchaser, including but not limited to mishandling, improper interfacing,  
operation outside of design limits, improper repair, or unauthorized modification. This  
WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence  
of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibra-  
tion; improper specification; misapplication; misuse or other operating conditions outside of  
OMEGA’s control. Components which wear are not warranted, including but not limited to  
contact points, fuses, and triacs.  
OMEGA is pleased to offer suggestions on the use of its various products. However,  
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability  
for any damages that result from the use of its products in accordance with information  
provided by OMEGA, either verbal or written. OMEGA warrants only that the parts  
manufactured by it will be as specified and free of defects. OMEGA MAKES NO OTHER  
WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESS OR  
IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY  
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE  
HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth  
herein are exclusive, and the total liability of OMEGA with respect to this order, whether  
based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall  
not exceed the purchase price of the component upon which liability is based. In no event  
shall OMEGA be liable for consequential, incidental or special damages.  
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as  
a “Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity;  
or (2) in medical applications or used on humans. Should any Product(s) be used in or with any  
nuclear installation or activity, medical application, used on humans, or misused in any way,  
OMEGA assumes no responsibility as set forth in our basic WARRANTY/DISCLAIMER language,  
and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability  
or damage whatsoever arising out of the use of the Product(s) in such a manner.  
RETURN REQUESTS/INQUIRIES  
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.  
BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN  
AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT  
(IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be  
marked on the outside of the return package and on any correspondence.  
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to  
prevent breakage in transit.  
FOR WARRANTY RETURNS, please have  
the following information available BEFORE  
contacting OMEGA:  
1. Purchase Order number under which  
the product was PURCHASED,  
2. Model and serial number of the product  
under warranty, and  
FOR NON-WARRANTY REPAIRS, consult  
OMEGA for current repair charges. Have the  
following information available BEFORE  
contacting OMEGA:  
1. Purchase Order number to cover the COST  
of the repair,  
2. Model and serial number of the product, and  
3. Repair instructions and/or specific  
problems relative to the product.  
3. Repair instructions and/or specific problems  
relative to the product.  
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible.  
This affords our customers the latest in technology and engineering.  
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.  
© Copyright 2004 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,  
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without  
the prior written consent of OMEGA ENGINEERING, INC.  
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Where Do I Find Everything I Need for  
Process Measurement and Control?  
OMEGA…Of Course!  
TEMPERATURE  
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Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies  
Wire: Thermocouple, RTD & Thermistor  
Calibrators & Ice Point References  
Recorders, Controllers & Process Monitors  
Infrared Pyrometers  
PRESSURE, STRAIN AND FORCE  
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Transducers & Strain Gages  
Load Cells & Pressure Gages  
Displacement Transducers  
Instrumentation & Accessories  
FLOW/LEVEL  
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Rotameters, Gas Mass Flowmeters & Flow Computers  
Air Velocity Indicators  
Turbine/Paddlewheel Systems  
Totalizers & Batch Controllers  
pH/CONDUCTIVITY  
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pH Electrodes, Testers & Accessories  
Benchtop/Laboratory Meters  
Controllers, Calibrators, Simulators & Pumps  
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DATA ACQUISITION  
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Plug-in Cards for Apple, IBM & Compatibles  
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Recorders, Printers & Plotters  
HEATERS  
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ENVIRONMENTAL  
MONITORING AND CONTROL  
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Metering & Control Instrumentation  
Refractometers  
Pumps & Tubing  
Air, Soil & Water Monitors  
Industrial Water & Wastewater Treatment  
pH, Conductivity & Dissolved Oxygen Instruments  
M3810/0104  
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