Omega Fd6001 User Manual

Users Guide  
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FD6001, FD6002, FD6003  
Ultrasonic Flowmeter  
with Totalization  
PART 1 - TABLE OF CONTENTS  
Description  
Pages  
1.2-1.3  
1.4  
Quick Start Installation  
Operating Theory  
Product Limitations  
Model Number Matrix  
Specifications  
1.5  
1.6  
1.7  
Transducer Installation  
2.1-2.5  
Pre-Installation Functional Test  
Transmitter Installation  
3.1-3.2  
3.3-3.4  
3.5  
Power Source Jumper Settings  
Electrical Connections  
3.5-3.6  
Power Up and Configuration  
Keypad Operations  
3.7  
3.8-3.19  
Trouble Shooting  
3.20-3.21  
Appendix  
Fluid Sound Speed Conversions  
Ductile Iron Pipe Data  
Cast Iron Pipe Data  
Steel, SS, PVC Pipe Data  
FPS to GPM Conversion Chart  
1-1  
PART 1 - QUICK START  
This manual contains detailed operating instructions for all  
aspects of the FD6000 instruments. The following condensed  
instructions are provided to assist the operator in getting  
the instrument started up and running as quickly as  
possible. This pertains to basic operation only. If specific  
instrument features are to be used or if the installer is  
unfamiliar with this type of instrument, refer to the  
appropriate section in the manual for complete details.  
General  
1. TRANSDUCER LOCATION  
A. In general, select a mounting location on the piping  
system with a minimum of 10 pipe diameters (10 X the  
pipe inside diameter) of straight pipe upstream and 5  
straight diameters downsteam. See Table 2.1 for  
additional configurations.  
B. On horizontal pipe, select a position that is between 2  
and 4 o’clock on the pipe, with 12 o’clock representing  
the top. Installations on vertical pipe should be made  
in an area where the flow moves from bottom to top—  
ensuring a full pipe of liquid.  
2. PIPE  
PREPARATION  
AND  
TRANSDUCER  
MOUNTING  
Transducer  
Cable  
A. The piping surface, where the transducers are to be  
mounted, needs to be clean and dry. Remove loose  
scale, rust and paint to ensure satisfactory acoustical  
bonds.  
B. Loosely wrap the appropriate length of strap around  
the pipe at the location determined in Step 1. Refer to  
Figure 1.1 for proper orientation of the transducer. For  
greatest accuracy, point the cable of the transducer in  
the primary flow direction.  
FLOW  
C. Apply a liberal amount of couplant onto the transducer  
face. Place the transducer onto the pipe ensuring  
square and true placement. If an RTV type of  
couplant (requiring curing time) was utilized, allow  
sufficient time for curing before applying power to the  
instrument or moving the cable.  
Figure 1.1  
Top View of Pipe  
1-2  
PART 1 - QUICK START  
3. TRANSDUCER/POWER CONNECTIONS  
A. Do not attempt to add additional cable to the  
transducers.  
B. Refer to the DIAGRAMS in Figure 1.2 for proper power  
and transducer connections. Verify proper jumper  
selections are in place for the power source. See  
Figure 3.4.  
4. INITIAL SETTINGS AND POWER UP  
IMPORTANT!  
In order to successfully complete the configuration of  
the FD6000 Series flow meter, the transducer must be  
mounted on a pipe which is full of a flowing liquid. It  
is normal to have a zero reading and no signal  
strength indication with empty pipes or zero flow rate.  
A. Adjust the GAIN control [R13] to 1/4 turn from full  
counter-clockwise rotation.  
B. Apply power to the instrument.  
C. If the pipe is full of a flowing liquid, the flow meter  
signal strength will increase from a zero reading.(press  
Figure 1.2  
Transducer (top picture)  
and Power (bottom picture)  
Connections  
the 2nd FUNCT key, then press SIGNAL STR). If the  
Signal Strength does not increase to a minimum of  
000125 counts, gradually turn the GAIN control [R13]  
clockwise until the indication is between 000125 and  
000200. (Do not over adjust this setting as ambient  
noise can influence readings.)  
D. If possible, turn off the flow in the pipe. Verify that  
SIGNAL STR. is lower than 000100. If SIGNAL STR.  
is greater than 000100, verify that the sensor/  
transmitter are not located near electrically noisy  
components. (VFDs, inverters, motors, power relays,  
etc) Verify that transducer connections are proper  
and secure. If the SIGNAL STR. remains greater than  
000100, consult the Dynasonics Factory for  
assistance. It is possible that the GAIN control [R13] is  
set too far clockwise and ambient noise is influencing  
the readings. Turn the control counter-clockwise until  
the signal strength decreases to below 000070 counts.  
E. If the instrument passes steps 4C and 4D, the basic  
setup of the instrument is complete.  
1-3  
PART 1 - GENERAL  
The FD6000 Series flowmeter is designed to  
measure the flow of liquids and slurries in full-pipe  
closed systems. The transmitter is field configured to  
measure flow on a variety of pipes and liquids. The  
standard product is typically used on pipe sizes  
ranging from 1 - 120 inch [ 25 - 1524 mm ] pipe I.D.  
(With the small pipe transducer option, the pipe size  
range is 0.25 - 1 inch [ 6 - 25 mm]). A variety of liquid  
General  
applications can be accommodated:  
sewage,  
sludges, concrete, mining slurries, dredging, etc.  
Because the transducers are non-contacting and  
have no moving parts, the flow meter is not affected  
by system pressure, fouling or wear. Standard  
transducers are rated to 250°F [121°C]. Optional  
high temperature transducers are rated to operate to  
300°F [149°C].  
The basic principle of operation is the measurement  
of the frequency shift “Doppler” of a reflected  
ultrasonic signal from discontinuity in the flowing  
liquid. In theory, these discontinuities can be virtually  
any amount of suspended bubbles, solids, or  
interfaces caused by turbulent flow. In practice the  
degree to which this can be reliably accomplished is a  
function of the sensitivity and frequency of the  
transducer and associated transmitter. The design  
requires greater than 100 PPM of suspended  
solids or bubbles over 100 microns in size. The  
transducer which generates and receives the  
ultrasonic signal supplies the data to the transmitter.  
The transmitter processes the signal and provides an  
analog and pulse output for velocity indicating and  
volumetric totalizing. In addition, the transmitter  
contains a signal strength indicator which determines  
satisfactory operation.  
Operating Theory  
1-4  
PART 1 - GENERAL  
The flowmeter is typically used as a unidirectional  
meter and is most accurate when the transducer is  
mounted in the orientation detailed in this manual.  
But, the meter will measure flow in both directions —  
although flow direction will not be indicated or  
totalized properly. The flowmeter will operate from  
signals returned from turbulence alone (such as  
installation directly at pump discharges or  
downstream from elbows and valves); however, it  
should be noted that turbulence may vary with flow  
Measuring Limits  
rates and result in non-linear results.  
The  
repeatability of the device is not dependent on most  
process liquids.  
The flowmeter is designed to measure the flow of  
liquids and slurries, as long as a small, homogeneous  
quantity of entrained air or suspended solids are  
present. Without the presence of continuing supply of  
air or solids, the transmitted pulses are not reflected  
back to the transducer and the indicator will indicate  
zero flow.  
The signal strength value will indicate a value greater  
than 100 counts when a minimum size and  
concentration of suspended particles are available for  
a reliable flow reading (100 micron and 100 PPM  
minimum) and the liquid is moving at least 0.1 FPS  
[0.03 MPS].  
Most water-based liquids can be  
measured from a factory calibrated flowmeter.  
However, liquids with a heavy solids level (i.e. over  
2% by volume), liquids with sound speeds that vary  
from water (see Appendix - Liquid Sound Speed list)  
or pipes with liners may have to be field calibrated.  
This is done by adjusting the Calibration value on the  
keypad to make the indicator agree with a known flow  
velocity or a mathematically corrected fluid velocity.  
All standard flow meters are calibrated to measure  
the flow of a water-based liquid at 25 degrees C. If  
the scale range or units need to changed, the process  
to do so is covered in detail later in this manual.  
1-5  
PART 1 - GENERAL  
The FD6000 Series employs modular construction  
and provides electrical safety for the operator. The  
display face contains voltages no greater than 9 Vdc  
and any exposed metal work is electrically connected  
to Earth Ground. The display face swings open to  
allow access to user connections.  
The serial number and complete model number of  
your meter is located on the inside of the transmitter  
front cover. Should technical assistance be required,  
please provide OMEGA’s Customer Service  
Serial Number  
Department with this information.  
Email:  
1-6  
PART 1 - GENERAL  
(Std) 115 or 230 VAC 50/60 Hz 10% and 12 VDC. (Opt)  
Power consumption less than 12 VA.  
1-7  
NOTES  
PART 2 - TRANSDUCER INSTALLATION  
The following list outlines how to install the  
transducer for optimal performance, highest reliability  
and greatest accuracy:  
Transducer Mounting  
Locations  
1. Select a transducer site at least 10 pipe diameters  
downstream from bends, or fittings and 5 pipe  
diameters upstream. A symmetrical flow pattern is  
necessary for accuracy and repeatability over the  
Table 2.11  
1 The system will provide repeatable measurements on piping systems that do not meet these  
requirements, but the accuracy of these readings may be influenced to various degrees.  
2-1  
PART 2 - TRANSDUCER INSTALLATION  
operating range of the meter. Down stream from  
pump or orifices, etc., locate at least 20 diameters.  
See Table 2.1  
Transducer  
Cable  
2. On horizontal pipe, select a position that is  
between 2 and 4 o’clock on the pipe, with 12  
o’clock representing the top. If the transducer is  
to be mounted on a vertical pipe, select a section  
of pipe where the flow is moving from bottom to  
top (flow moving vertically down a pipe tends to  
cavitate and provide unreliable operation.)  
FLOW  
3. Mount the transducer in the orientation shown in  
Figure 2.2. The flow meter will read flow in both  
directions, but will be most accurate if the cable is  
mounted in the orientation shown—pointing in the  
primary flow direction.  
Figure 2.2  
Top View of Pipe  
4. If totalization of the measured fluid is required, the  
pipe must remain full. The meter will read when  
the liquid level is greater than the placement of the  
transducer, but the volumetric measurement will  
be based on a full pipe, so totalization will be  
higher than actual.  
5. The flowmeter will achieve proper Doppler signals  
off of turbulence; however, it should be noted that  
turbulence may not be linear with pump speed  
changes, nor is the reading necessarily accurate  
due to the non-uniformity of turbulence.  
6. When a liquid has less than 100 PPM of 100  
micron or larger particles, try mounting the  
transducer within 12 inches of a pump discharge  
or other source of flow turbulence or cavitation. A  
reading obtained under these circumstances will  
be repeatable, but not necessarily accurate or  
linear.  
7. It is a good practice to test the flow meter on the  
piping system before permanently mounting the  
transducer using RTV. Function can be verified  
by applying a water soluble lubricant, such as KY-  
Jelly, and holding the transducer by hand on the  
pipe in the location where the transducer will be  
2-2  
PART 2 - TRANSDUCER INSTALLATION  
permanently mounted.  
Under flowing liquid  
conditions, adequate signal is indicated when the  
Signal Strength indicates between 000125 and  
000200 counts.  
For proper operation, there cannot be air voids  
between the traducer face and pipe. The space must  
be filled with a material which is a good transmitter of  
sound energy such as:  
Acoustic Couplant  
Types  
SILICONE GREASE:  
Dow Corning 111 R or  
comparable (-100 to +450 F.) The material must be  
suitable not to flow at temperature of pipe. Used for  
temporary survey installations and portable flow  
meters.  
SILICONE RUBBER: Dow Corning 732-RTV R.  
Excellent for permanent bonding. This adhesive is a  
recommended bonding agent and easily removable.  
INSTALLATION AND PIPE PREPARATION  
The cable from the transducer is provided with  
either dual-coaxial cables, flexible nylon conduit or  
PVC coated steel conduit with a 1/2” NPT fitting. The  
coaxial cable was ordered from the factory at a  
specific length UNDER NO CIRCUMSTANCES  
should the coaxial cable be lengthened as this  
may de-tune the circuitry and influence  
performance.  
Installation of the small-pipe transducers follow the  
same procedures as the standard pipe type. The only  
difference is that the small pipe transducers utilize an  
integral pipe clamping mechanism with two  
opposing sensing heads and the standard pipe units  
use a stainless steel strap.  
Small Pipe  
Transducers  
2-3  
PART 2 - TRANSDUCER INSTALLATION  
Installations requiring intrinsic safety should refer to  
the Appendix drawings covering these applications.  
Intrinsic Safety  
Installations  
1. Pipe Preparation:  
For permanent silicone adhesive mounting, after  
determining the transducer location, some attention  
must be given to the pipe condition. Before the  
transducer head is bonded to the pipe surface, an  
area slightly larger than the flat surface to the  
transducer head (black rectangle) must be cleaned to  
bare metal. This means the removal of all paint rust,  
and scale. Some minor pipe pitting will not cause  
problems, as the acoustic couplant will take up the  
voids. In the case where plastic pipe is used, remove  
all paint and grease so that a smooth, dry surface is  
exposed.  
2. Transducer Mounting:  
The transducer center line is designed to mount  
parallel to the pipe center line. The groove in the  
transducer body will allow the 1/2” stainless steel  
strap that was enclosed with the meter to align the  
transducer properly on the pipe. DO NOT mount the  
transducer on bends, elbows or fittings. Every effort  
should be made to mount the transducer parallel to  
the axis of the pipe as well as flat on the pipe. The  
transducer cable should run in the “down-stream”  
direction of liquid flow. See Figure 2.2.  
In horizontal pipe runs, mount the transducer  
between 2 and 4 o’clock from the top—12 o’clock  
position; prepare the pipe surface as described.  
Finish the surface with some emery paper and then  
wipe the surface with trichlorenthylene to thoroughly  
degrease the contact surface in a area slightly larger  
than the flat surface of the transducer.  
For permanent mounting, use a good silicone based  
2-4  
PART 2 - TRANSDUCER INSTALLATION  
adhesive (Dow-732). Spread a bead of the adhesive  
on the flat surface of the transducer face, covering  
well. Now spread a bead to the prepared pipe  
surface and press the head lightly to the pipe. Let the  
adhesive flow enough to fill in all the area beneath the  
head. At the same time, clamp (clamp supplied) into  
place until the silicone has set up. Taping along the  
edges of the head will hold the adhesive in place. A  
pad of adhesive must be formed between the  
transducer face and the pipe. Ensure that no relative  
movement between the transducer and the pipe takes  
place during the setup time (about 24 hours). Clamp  
transducer only tight enough to hold it in place while  
the adhesive is curing. Tighten for mechanical  
strength only after 24 hours. Secure the conduit as  
well.  
3. Temporary Mounting and Spot Checks:  
For temporary mounting, clean pipe as described and  
use silicone grease as the acoustical coupling  
material, holding by hand for spot readings or with a  
strap clamp for indefinite periods.  
2-5  
NOTES  
PART 3 - PRE-INSTALLATION CHECKOUT  
After unpacking, it is recommended to save the shipping  
carton and packing materials in case the instrument is  
stored or re-shipped. Inspect the equipment and carton  
for damage. If there is evidence of shipping damage,  
notify the carrier immediately.  
Unpacking  
The FD6000 Series flowmeter can be checked for basic  
Functional Test  
functionality using the following Bench Test procedure.  
It is recommended that this operation be performed  
before permanently installing the system.  
Procedure:  
1. Open the transmitter cover.  
2. Connect the transducer cable connector to the  
terminal locations on the lower left corner of the  
FD6000 Series main circuit card. See Figure 3.1.  
3. Connect supply power to the appropriate terminal  
locations on the upper right corner of the main circuit  
card. See Figure 3.2. Verify that the power supply  
selection jumpers are configured properly—See  
Figure 3.4.  
Figure 3.1  
4. Apply power.  
5. Verify that the display indicates 0.00 FPS (or 0.0 flow  
rate of any other unit). If the display does not register  
0.0, then press the 2nd FUNCT key, then press  
SIGNAL STR. Verify that SIGNAL STR. is lower than  
000100. If SIGNAL STR. is greater than 000100,  
verify that the sensor/transmitter are not located near  
electrically noisy components. (VFDs, inverters,  
motors, power relays, etc) Verify that transducer  
connections are proper and secure. If the SIGNAL  
STR. remains greater than 000100, consult the  
Dynasonics Factory for assistance.  
6. Press the 2nd FUNCT key to enter SERVICE MODE.  
Press the SIGNAL STR key to display SIGNAL STR.  
XXXXXX.  
Figure 3.2  
7. Rub the face of the transducer lengthwise back and  
3-1  
PART 3 - PRE-INSTALLATION CHECKOUT  
forth with your thumb using moderate pressure. The  
cycle time should be 1-2 times per second.  
8. Verify that signal strength increases with frequency of  
the rubbing. Typical increases will range from 20-30  
counts.  
9. Verify that signal strength decreases when rubbing  
ceases.  
Bench Test is Complete  
3-2  
PART 3 - TRANSMITTER INSTALLATION  
1. Place the transmitter in a location that is:  
Where little vibration exist.  
Transmitter  
Installation  
Protected from falling corrosive fluids.  
Within ambient temperature limits - 22 to 122°F [-30 to  
50°C]  
Out of direct sunlight. Direct sunlight may increase  
temperatures within the transmitter to above maximum  
limit.  
2. Mounting: Refer to Figure 3.3 for enclosure and  
mounting dimension details. Ensure that enough room  
is available to allow for door swing, maintenance and  
conduit entrances. Secure the enclosure to a flat  
surface with four appropriate fasteners.  
3. Conduit holes. Conduit hubs should be used where  
cables enter the enclosure. Holes not used for cable  
entry should be sealed with plugs.  
NOTE: Use NEMA 4 [ IP65 ] rated fittings and plugs to  
maintain the water tight integrity of the enclosure.  
Generally, the right conduit hole (viewed from front) is  
used for line power; the left conduit hole for transducer  
connections.  
4. If additional holes are required, (analog outputs, etc.)  
drill the appropriate size hole in the enclosure’s  
bottom. Use extreme care not to run the drill bit into  
the wiring or circuits cards.  
To access terminal strips for electronic connectors, loosen  
the two screws in the enclosure door and open the door.  
3-3  
PART 3 - TRANSMITTER INSTALLATION  
1.45  
[36.8]  
3.88  
[98.5]  
FD-5000 Shown  
FIGURE 3.3  
NOTE: The transducer cable carries low level signals.  
Do not attempt to add additional cable to the factory  
supplied transducer cable.  
Important !  
3-4  
PART 3 - TRANSMITTER INSTALLATION  
The 4-20mA output is proportional to the flow rate  
measuring scale and can drive a load of up to 1000 ohms.  
The output is isolated from earth ground and circuit low.  
Connect the load to the 4-20 mA connection terminals  
located on the inside of the enclosure, matching polarity  
as indicated.  
4-20mA OUTPUT  
Line power is connected by supplying power to the  
appropriate terminals located inside of the enclosure  
Use wiring practices that conform to local codes  
(National Electric Code Hand book in the USA).  
Use only the standard three wire connection. The ground  
terminal grounds the instrument, which is mandatory for  
safe operation.  
Power Connections  
CAUTION: Any other wiring method may be unsafe or  
cause improper operation of the instrument.  
It is recommended not to run line power with other signal  
wires within the same wiring tray or conduit. Verify that  
the power supply jumper connections are oriented cor-  
rectly for the power source being wired. The electronics  
can be damaged if improper power is connected or if  
jumpers are not installed correctly. The DC input is not  
fuse protected. It is recommended that an external fuse  
be installed if DC power is selected. The fuse should be a  
1A delay action type. See Figure 3.4  
Jumpers  
JP8, JP10, JP11  
JP9, JP11  
JP7  
JP3, JP5  
JP4, JP6  
Power Source  
115 VAC  
230 VAC  
100 VAC  
12 VDC  
Figure 3.4  
Power Supply Jumper  
Selection  
24 VDC  
NOTE: This instrument requires clean electrical line  
power. Do not connect the meter on a circuit which oper-  
ates lighting ballasts, motors, solenoids, etc.  
3-5  
PART 3 - TRANSMITTER INSTALLATION  
1. Guide the transducer terminations through the  
Transducer  
Connections  
transmitter conduit hole located on the left side of the  
enclosure. Secure the transducer cable with the  
supplied conduit nut.  
2. The terminals on the transducer cable are coded with  
wire markings. Connect the appropriate wires to the  
corresponding screw terminals in the transmitter.  
NOTE: The transducer cable carries low level signals.  
Do not attempt to add additional cable to the factory  
supplied transducer cable.  
If additional cable is required contact OMEGA Engineering  
to order a transducer with the appropriate length of cable  
Cables to 300 feet [90 meters] are available.  
NOTE: An additional hole in the transmitter enclosure is  
required for outputs. Drill the hole in the the enclosure  
bottom taking care not to drive the drill bit into wiring or the  
circuit boards with the transmitter.  
The CTR pulse output is proportional to the flow rate  
measuring scale. This output may be used one of two  
ways:  
CTR Output  
To drive a 12V logic device or electromechanical total-  
izers.  
To drive a low impedance, 12V device. Minimum  
resistance 50 ohms.  
The pulse output pulses with totalizer increments. The  
connections are located on the right side of the signal  
processing PCB in the back of the enclosure. The pulse  
width is fixed at 50 milli-seconds. CTR “ - ” represents  
circuit low. CTR “ + “ represents 12 Vdc pulse output.  
3-6  
PART 3 - STARTUP AND CONFIGURATION  
Note: The FD6000 Series flow meter system requires a  
Before Starting the  
Instrument  
full pipe of flowing liquid before a successful startup can  
be completed. Do not attempt to make adjustments or  
change configurations until a full pipe is verified.  
Procedure:  
Instrument Startup  
1. Verify that all wiring is properly connected and routed.  
2. Apply power.  
3. Adjust the GAIN control [R13] to 1/4 turn from full  
counter-clockwise rotation.  
4. Apply power to the instrument.  
5. If the pipe is full of a flowing liquid that contains ade-  
quate concentrations of suspended solids, the flow me-  
ter signal strength will increase from a zero reading.  
(press the 2nd FUNCT key, then press SIGNAL STR).  
If the Signal Strength does not increase to a minimum  
of 000125 counts, gradually turn the GAIN control  
[R13] clockwise until the indication is at between  
000125 and 000200. (Do not over adjust this setting  
as ambient noise can influence readings.)  
6. If possible, turn off the flow in the pipe. Verify that  
SIGNAL STR. is lower than 000100. If SIGNAL STR.  
is greater than 000100, verify that the sensor/  
transmitter are not located near electrically noisy  
components. (VFDs, inverters, motors, power relays,  
etc) Verify that DT6 transducer connections are proper  
and secure. If the SIGNAL STR. remains greater than  
000100, consult OMEGA Engineering for  
assistance. It is possible that the GAIN control [R13] is  
set too far clockwise and ambient noise is influencing  
the readings. Turn the control counter-clockwise until  
the signal strength decreases to below 000070 counts.  
5. If the instrument passes steps 5 and 6, the basic setup  
of the instrument is complete.  
It is normal to have low/zero SIGNAL STRENGTH  
indication at ZERO flow.  
Important!  
3-7  
PART 3 - KEYPAD CONFIGURATION  
After a successful flow meter installation and startup  
(covered in the previous sections of this manual) the FD6000  
can be keypad configured to provide select engineering  
unit readings of flow and a scaled 4-20mA output.  
Configuration inputs are made via the keypad and are  
stored by the microprocessor. The entries are retained by  
the flow meter’s E2PROM memory in the event of power  
failure. If fluid velocity readings, FPS or MPS, are the  
only required measurement keypad configuration is not  
required.  
UP/DOWN Arrows  
Allow changing of the FD6000 Series configuration  
constants. Use the UP arrow to increase constant values  
and the DOWN arrow to decrease values. The  
arrows can be momentarily pressed to change values  
incrementally or held to advance continuously. Constants  
outside of the valid range of the unit cannot be  
displayed. The scrolling rate at which the values will change  
is two tiered. Scrolling will be relatively slow during the first  
five seconds of a continuous keypad press; the  
scrolling rate will increase after that time to allow rapid  
changes of large values.  
2nd FUNCT  
Controls access to the commands located on the lower  
half of the keys. After pressing this key the word  
SERVICE MODE will appear on the LCD indicator.  
ENTER  
Records and activates the configuration constant value  
that is displayed on the LCD indicator. Can also be used  
to return the meter to its run mode.  
3-8  
PART 3 - KEYPAD CONFIGURATION  
F1 and F2  
Not utilized.  
RESET  
Caution: Conducts a system reset. All configuration  
constants will be lost and the FD6000 will load default values  
for all constants.  
I.D.  
Allows entry of a pipes internal diameter.  
Internal  
diameters must be entered if volumetric flow rates are to  
be displayed.  
n If a UNITS code for U.S. measurements was made the  
I.D. value will be entered in inches. Valid ranges for  
this entry are 0.25 to 120.00 inches.  
n If a UNITS code for metric measurement was made  
the I.D. value will be entered in millimeters. Valid  
ranges for this entry are 6 to 3050 millimeters.  
The appendices in the back of this manual contain tables  
of common pipe sizes and schedules. If the pipe size  
does not appear in the table, consult the pipe manufacture  
or conduct a physical measurement of the pipe internal  
diameter. Errors in the entry of this value can result in  
large inaccuracies.  
FULL SCALE  
Allows entry of the maximum fluid velocity anticipated  
within the pipe. This value does not have any bearing on  
displayed flow rates or values, but is used to scale the  
span value of the 4-20mA analog output. If the analog  
output is not going to be utilized set this value to 30.00 if  
measuring in U.S. units or 10.00 if measuring in metric  
units.  
n If a UNITS code for U.S. measurements was made the  
FULL SCALE value will be entered in FPS (feet per  
3-9  
PART 3 - KEYPAD CONFIGURATION  
second). Valid ranges for this entry are 0.00 to 30.00  
FPS. Two useful equations that relate liquid velocity to  
volume:  
GPM = 2.45 X I.D.2 X FPS  
FPS = ( GPM X 0.408) / I.D.2  
I.D. in inches  
n If a UNITS code for metric measurement was made  
the I.D. value will be entered in MPS (meters per  
second). Valid ranges for this entry are 0 to 10.00  
MPS. Two equations that relate liquid velocity to  
volume are  
LPM = 0.047 X I.D.2  
X MPS  
MPS = ( LPM X 21.28) / I.D.2  
I.D. in inches  
Note: Attempting to set a FULL SCALE value of less than  
0.5 FPS [0.15 MPS] may result in an unstable transmitted  
output. If flows are typically lower than this range, the  
LOW FLOW FILTERS and higher DAMPing values may  
be required.  
UNITS  
Utilized to set engineering units of measure. There are  
twelve different selections possible. The Table 3.1 lists  
the entry code number, flow rate unit of measure and  
totalizer unit of measure.  
Note:  
After changing the UNITS value, it may be  
necessary to change other configuration values  
accordingly. For example, FULL SCALE, I.D., HIGH/LOW  
ALARM are influenced by the UNITS entry.  
Note: Flow already accumulated will not be correctly  
compensated for if the UNITS of measure changes.  
3-10  
PART 3 - KEYPAD CONFIGURATION  
Table 3.1  
UNITS Code Flow Rate  
Totalizer  
FPS (feet per sec)  
N/A  
0
1
2
3
GPM (gallons per min) GALLONS  
GPH (gallons per hr) GALLONS  
MGD (millions of gal GALLONS  
pre day)  
CFM (ft.3 per min)  
CF  
4
5
6
7
8
MPS (meters per sec) N/A  
CMH (m3 per hr)  
m3  
LPM (liters per min)  
Liters  
MLD (millions of liters Liters  
per day)  
BPM (barrels per min) BARRELS  
9
BPH (barrels per hr)  
BARRELS  
10  
11  
BPD (barrels per day) BARRELS  
3-11  
PART 3 - KEYPAD CONFIGURATION  
HIGH ALARM (Labeled RELAY-1 on the Main PCB)  
Controls the set-point of the SPDT relay labeled RELAY-1  
on the Main PCB. Enter a liquid velocity at which a relay-  
contact action is desired. Relay contacts are utilized for  
signaling flow rate conditions that are higher of lower than  
a desired set point. If a relay setting is made very close to  
a nominal liquid velocity, relay “chatter” ( rapid opening  
and closing of the relay ) may result.  
n If a UNITS code for U.S. measurements was made the  
HIGH ALARM value will be entered in FPS. Valid  
ranges for this entry are 0.00 to 30.00 FPS.  
n If a UNITS code for metric measurements was made  
the HIGH ALARM value will be entered in MPS. Valid  
ranges for this entry are 0.00 to 10.00 MPS.  
LOW ALARM (Labeled RELAY-2 on the Main PCB)  
Controls the set-point of the SPDT relay labeled RELAY-2  
on the Main PCB. Enter a liquid velocity at which a relay-  
contact action is desired. Relay contacts are utilized for  
signaling flow rate conditions that are higher of lower than  
a desired set point. If a relay setting is made very close to  
a nominal liquid velocity, relay “chatter” ( rapid opening  
and closing of the relay ) may result.  
n If a UNITS code for U.S. measurements was made the  
HIGH ALARM value will be entered in FPS. Valid  
ranges for this entry are 0.00 to 30.00 FPS.  
n If a UNITS code for metric measurements was made  
the HIGH ALARM value will be entered in MPS. Valid  
ranges for this entry are 0.00 to 10.00 MPS.  
TOTAL MULT  
Utilized for setting the flow totalizer exponent and  
changing the External Counter output. This feature is  
useful for accommodating a very large accumulated flow.  
The exponent is a “ X 10n  
” multiplier, were “n” can be from  
0 (100, X 1 multiplier) to 4 (104, X 10,000 multiplier).  
3-12  
PART 3 - KEYPAD CONFIGURATION  
The External Counter output, available at the two  
terminals labeled CTR on the Main PCB, is influenced by  
the TOTAL MULT value. Since the output is designed to  
operate electromechanical accumulators, large flow rates  
will require that the TOTAL MULT be set to a value usable  
by these types of counters (typically speeds no faster than  
3 cps). The following chart tabulates suggested settings  
vs. flow ranges:  
Exponent  
Multiplier  
Useable CTR  
Range:  
GPM or LPM  
X1  
30-600  
0
1
2
3
4
X10  
300-6,000  
X100  
X1,000  
X10,000  
3,000-60,000  
30,000-600,000  
300,000-6,000,000  
TOTAL ON/OFF  
This key has three functions:  
Key press number  
First press  
Operation  
Stops the internal totalizer/  
external CTR and displays  
the last value  
Second press  
Resets the internal totalizer  
to zero  
(continued)  
3-13  
PART 3 - KEYPAD CONFIGURATION  
(continued)  
Third press  
Restarts the internal  
totalizer/external CTR  
(The internal totalizer starts  
from zero.)  
If inhibiting (pausing) the totalizer is necessary, there are  
two methods suggested:  
1. Connect and external totalizer to the CTR terminals.  
See the section of this manual related to CTR  
electrical connections for connection parameters.  
2. To inhibit the internal totalizer without resetting the  
accumulation, press the TEST key to pause the  
accumulation. Press the ENTER key to resume  
accumulation.  
LOCK ON  
To ensure security of the configuration and accumulated  
flow, the keypad can be locked. To enable the keyboard  
lock out, press LOCK ON key, the display will show  
LOCK ON. Press ENTER to return to Run mode. To  
turn the lock off, press the LOCK ON key. Use the arrow  
keys to set a value of 125. Press the ENTER key. The  
display will show LOCK OFF to acknowledge that all  
keypad entries can now be made.  
CAL  
A few factors can influence the readings of a FD6000  
flow meter. The CAL entry allows the user to compensate  
for flow discrepancies without affecting the factory  
calibration. Examples of situations that can cause  
reading discrepancies are:  
n Operations on liquids with sonic velocity carrying  
properties that are different from water. See the table  
3-14  
PART 3 - KEYPAD CONFIGURATION  
of correction factors located in the Appendix of this  
manual for Liquid Sound Speed and their associated  
correction factors.  
n Transducer mounted in non-recommended locations.  
By applying a CAL value other than 100%, the factory-  
calibrated readings will be altered by the percentage  
entered. This CAL value will be reflected in the display,  
4-20mA and CTR outputs and relay settings.  
For example, if a reading of 175 GPM is displayed and the  
known flow rate is 160 GPM, a CAL value of  
160 GPM  
175 GPM  
x 100 = 91.4%  
The FD6000 will not allow decimal values to be entered as  
a CAL constant, so round to the nearest whole number; in  
this case 91%.  
Acceptable input ranges for the CAL constant are 0-255%.  
DAMP  
In installations where very turbulent or erratic flow is  
encountered, increasing the Damping setting can increase  
display and output stability. The DAMP setting increases  
and decreases the response time of the flow meter display  
and outputs. To set the damping time constant, press the  
DAMP key. Set a value between 1 and 10, 1 having the  
fastest response and 10 having the slowest response.  
Press ENTER to complete the configuration.  
TEST  
The meter contains a test function for verification of the 4-  
20mA analog and CTR external counter outputs. To  
activate the test function, press the TEST key. Verify that  
20mA is flowing in the 4-20mA output and verify that the  
CTR output is supplying 50mS pulses. Press ENTER to  
exit the test function.  
3-15  
PART 3 - KEYPAD CONFIGURATION  
2nd FUNCT - SERVICE MODE  
{2nd FUNCT} SIGNAL STR  
Displays the raw Doppler signal strength value. This  
value will increase as the velocity of the liquid increases.  
Typically, a liquid flowing at a velocity greater than 0.2  
FPS [0.06 MPS], with adequate suspended solids (100  
ppm or 100 micron or larger solids) or aeration, will  
produce SIGNAL STR readings of at least 000125 counts.  
NOTE: If the liquid is not flowing a low SIGNAL STR  
reading is non-conclusive. If a high SIGNAL STR is  
indicated at zero flow rate, it indicates that a source of  
interference (another ultrasonic instrument, VFD, or poor  
electrical ground) may be present. Verify that SIGNAL  
STR increases when the flow starts. If it does, increase  
the SS CUTOFF setting (see SS CUTOFF).  
If SIGNAL STR is lower than 100 counts in a flowing  
liquid, one or more of the following steps may need to be  
invoked:  
1. If the liquid velocity is less than 1 FPS (0.3 MPS) turn  
SW-1 “LOW FLOW” switch ON. (This dual DIP switch  
is located near the center of the Main PCB.)  
2. If SW-1 did not cause an increase in SIGNAL STR to a  
level above 100, turn ON SW-2.  
3. There may not be adequate reflectors for the Doppler  
principle to operate. The transducer can be relocated  
to a source of liquid degasification, such as would be  
found a 1-3 diameters down stream of a 90-degree  
elbow. A surrogate source of aeration can also be  
introduced by bleeding a small amount of compressed  
air into the line several diameters upstream of  
the transducer.  
3-16  
PART 3 - KEYPAD CONFIGURATION  
{2nd FUNCT} 4 mA  
The 4-20mA output on standard FD6000 Series flow meters  
is scaled at zero flow equals 4mA and 20 FPS (6.08 MPS)  
equals 20mA. The 4mA key allows fine adjustments to be  
made to the “zero” of the 4-20mA output or allows offset to  
be placed on the 4-20mA output. To adjust the 4mA  
output, an ammeter or reliable reference connection to the  
4-20mA output must be present.  
Procedure:  
1. Either break the present current loop and connect the  
ammeter in series (disconnect either wire at the  
terminal block labeled 4-20mA on the Main PCB of the  
FD6000) or, if this output is not being utilized, connect  
the ammeter + to the + terminal and – to the – terminal  
of the 4-20mA output.  
2. Press the 4mA key.  
3. With no flow moving through the pipe, adjust the  
setting count using the arrow keys until 4.00mA is  
indicated on the ammeter. The typical count value  
range for this setting is between 3350 and 3850.  
4. Press ENTER to store the value.  
5. Re connect the 4-20mA output circuitry as required.  
{2nd  
FUNCT} VEL ADC  
Press VEL ADC to display the raw analog to digital  
converter counts that are being processed by the  
microprocessor. This count value will vary linearly with  
flow rate from 0000 at zero flow rate to 1024 at maximum  
full-scale flow rate. No modifications of this count can be  
made, this display is for diagnostic purposes only.  
{2nd  
FUNCT} BLANKING  
This key is unused.  
3-17  
PART 3 - KEYPAD CONFIGURATION  
{2nd FUNCT} 20mA  
The 4-20mA output on standard FD6000 flow meters is  
scaled at zero flow equals 4mA and 20 FPS (6.08 MPS)  
equals 20mA. The 20mA key allows fine adjustments to  
be made to the “span” of the 4-20mA output. To adjust  
the 20mA output, an ammeter or reliable reference  
connection to the 4-20mA output must be present.  
Procedure:  
1. Either break the present current loop and connect the  
ammeter in series (disconnect either wire at the  
terminal block labeled 4-20mA on the Main PCB of the  
FD6000) or, if this output is not being utilized, connect  
the ammeter + to the + terminal and – to the – terminal  
of the 4-20mA output.  
2. Press the 20mA key.  
3. With maximum flow moving through the pipe, adjust  
the setting count using the arrow keys until 20.00mA is  
indicated on the ammeter. The typical count value  
range for this setting is between 1450 and 1950.  
4. Press ENTER to store the value.  
5. Re connect the 4-20mA output circuitry as required.  
{2nd  
FUNCT} SS CUTOFF  
This entry represents the signal strength cutoff level (low  
velocity cutoff). At flow rates below 0.2 FPS [0.06 MPS]  
the readings displayed by the FD6000 are unreliable. By  
utilizing the default SS CUTOFF of 100 counts, small  
unstable readings at low flow rates will be avoided.  
Note: If SS CUTOFF is set to a level higher than the  
SIGNAL STR value the meter will not show flow or output  
any values.  
3-18  
PART 3 - KEYPAD CONFIGURATION  
{2nd FUNCT} INPUT F.S.  
This key is used to select a maximum velocity that the  
instrument will operate. Choices are 10, 20 and 30 FPS.  
It is not recommended to deviate alter this value from  
factory settings, as certain spans have been set that  
correlate to the set maximum velocity. Consult OMEGA  
Engineering for adjustment procedures.  
{2nd  
FUNCT} DAC 3  
This key is not used.  
{2nd FUNCT} BACK LIGHT  
Toggles the electro-luminescent LCD back lighting ON  
and OFF. This type of back lighting has an illumination  
half-life of approximately one year. If the instrument is left  
unattended for long periods of time, turning the back  
lighting OFF can preserve the electro-luminescent panel  
and save a small amount of power.  
{2nd  
FUNCT} CONTRAST  
This setting allows the adjustment of the LCD contrast.  
An LCD’s viewing quality is affected by temperature,  
ambient lighting, back lighting and viewing angle. Adjust  
the contrast level to provide the best contrast possible.  
Default count is 50.  
3-19  
PART 3 - TROUBLE SHOOTING  
CONDITION  
POSSIBLE CAUSE  
Unit does not turn “ON” when power is  
applied  
Verify that AC power source is live.  
Test the fuse  
Verify that proper power supply jumpers  
are in place.  
FAULT CONDITION is indicated on LCD  
indicator  
Fault conditions can arise from several  
causes: electrical surges, short circuits,  
open circuits, etc. To clear a “Fault Condi-  
tion”, press 2nd Function then press Re-  
set. Use the arrow keys to change the  
Fault code number to “0”. Press Enter. If  
the meter resumes measuring flow, no  
permanent damage was incurred.  
Ensure that the transducer is properly  
mounted to the pipe.  
Verify that transducer connections are  
correct  
Ensure that the pipe is full of moving  
liquid.  
If SIGNAL STR is less than 000100 counts  
and flow rate is greater than 1 FPS [0.3  
MPS], adjust GAIN control (R13 on the  
Main PCB) till SIGNAL STR reaches at  
least 000125 counts.  
On cleaner liquids, move the transducers  
closer to a 90o pipe elbow.  
If GND connection and pipe are at  
different potentials, ground FD6000 to  
pipe potential.  
If Variable Frequency Drives are being  
utilized, verify that the FD6000 obtains a  
flow indication when the pump turns OFF.  
If it does, contact OMEGA Engineering.  
3-20  
PART 3 - TROUBLE SHOOTING  
Stability of flow readings are  
unsatisfactory  
Increase the DAMP constant from keypad.  
Move transducers to a location further  
from piping tees, elbows, valves, filters,  
Erroneous Reading  
Transducer mounted incorrectly or not  
true to the pipe.  
Another local ultrasonic instrument is  
operating at about the same frequency  
[consult OMEGA Engineering].  
Presence of large amounts of suspended  
solids or aeration. Use CAL constant to  
compensate.  
Sources of radiated interference are  
present. Apply appropriate shielding.  
An electrically noisy power supply is  
powering the FD6000. Power the meter  
with a circuit that does not power motors.  
Verify that residual leakage and flow is not  
The display indicates flow, when  
true fluid velocity is zero.  
present. [I.e. leaking check valves]  
Verify that GAIN control (R13 on the Main  
PCB) is not adjusted too high. With  
nominal flow running through the pipe,  
adjust GAIN control till the display zeros  
with no flow.  
3-21  
APPENDIX  
Appendix  
Fluid Sound Speed Conversions  
Pipe Dimension Chart: Ductile Iron  
Pipe Dimension Chart: Cast Iron  
Pipe Dimension Chart: Steel, SS, PVC  
Velocity to Volumetric Conversion Chart  
Fluid Sound Speeds  
Original Date:  
10/19/99  
Revision:  
Revision Date:  
none  
none  
120.0176921  
Doppler  
Fluid  
Specific Gravity  
20 degrees C  
Sound Speed  
Calibration Entry  
relative to 25C water  
m/s  
ft/s  
Acetate, Butyl (n)  
Acetate, Ethyl  
Acetate, Methyl  
Acetate, Propyl  
Acetone  
1270  
1085  
1211  
1280  
1174  
1207  
1270  
1180  
1120  
1170  
1222  
1729  
1639  
1306  
1338  
889  
4163.9  
3559.7  
3973.1  
4196.7  
3851.7  
3960.0  
4163.9  
3868.9  
3672.1  
3836.1  
4009.2  
5672.6  
5377.3  
4284.8  
4389.8  
2916.7  
3559.7  
3836.1  
2752.6  
3038.1  
4176.5  
3211.9  
3231.6  
4295.1  
5203.4  
3960.0  
3960.0  
3231.6  
3231.6  
5439.6  
2540  
85  
72  
81  
85  
78  
81  
85  
79  
75  
78  
82  
115  
109  
87  
89  
59  
72  
78  
56  
62  
85  
65  
66  
87  
106  
81  
81  
66  
66  
111  
52  
83  
127  
111  
81  
81  
65  
78  
78  
88  
93  
0.901  
0.934  
0.79  
0.79  
0.83  
0.83  
0.791  
Alcohol  
Alcohol, Butyl (n)  
Alcohol, Ethyl  
Alcohol, Methyl  
Alcohol, Propyl (I)  
Alcohol, Propyl (n)  
Ammonia (35)  
Anlline (41)  
Benzene (29,40,41)  
Benzol, Ethyl  
Bromine (21)  
n-Butane (2)  
Butyrate, Ethyl  
Carbon dioxide (26)  
Carbon tetrachloride  
Chloro-benezene  
Chloroform (47)  
Diethyl ether  
Diethyl Ketone  
Diethylene glycol  
Ethanol  
Ethyl alcohol  
Ether  
Ethyl ether  
Ethylene glycol  
Freon R12  
Gasoline  
Glycerin  
Glycol  
Isobutanol  
Iso-Butane  
0.78  
0.77  
1.02  
0.88  
0.867  
2.93  
0.60  
1085  
1170  
839  
926  
1273  
979  
1.10  
1.60  
1.11  
1.49  
0.71  
985  
1310  
1586  
1207  
1207  
985  
1.12  
0.79  
0.79  
0.71  
0.71  
1.11  
985  
1658  
774.2  
1250  
1904  
1658  
1212  
1219.8  
980  
1170  
1170  
1324  
1400  
0.7  
4098.4  
6246.7  
5439.6  
3976.4  
4002  
3215.2  
3838.6  
3838.6  
4343.8  
4590.2  
1.26  
1.11  
0.81  
Isopentane (36)  
Isopropanol (46)  
Isopropyl alcohol (46)  
Kerosene  
0.62  
0.79  
0.79  
0.81  
Linalool  
Linseed Oil  
.925-.939  
0.79  
1770  
1076  
1076  
1070  
1210  
1487  
1172  
1477  
1250  
1530  
1431  
1458  
1420  
1020  
1290  
1222  
828.3  
774.1  
875.24  
891  
5803.3  
3530.2  
3530.2  
3510.5  
3967.2  
4875.4  
3845.1  
4845.8  
4101  
118  
72  
72  
71  
81  
99  
78  
99  
83  
102  
96  
97  
95  
68  
86  
82  
55  
52  
58  
59  
60  
52  
44  
44  
38  
66  
89  
93  
70  
66  
84  
100  
94  
99  
102  
103  
104  
103  
101  
99  
96  
93  
89  
93  
102  
72  
90  
89  
89  
Methanol (40,41)  
Methyl alcohol (40,44)  
Methylene chloride (3)  
Methylethyl Ketone  
Motor Oil (SAE 20/30)  
Octane (23)  
0.79  
1.33  
.88-.935  
0.70  
Oil, Castor  
0.97  
Oil, Diesel  
0.80  
Oil (Lubricating X200)  
Oil (Olive)  
Oil (Peanut)  
Paraffin Oil  
Pentane  
5019.9  
4694.9  
4783.5  
4655.7  
3346.5  
4229.5  
4009.2  
2717.5  
2539.7  
2871.5  
2923.2  
2932.7  
2571.2  
2182.7  
2153.5  
1883.2  
3248  
0.91  
0.94  
0.626  
0.876  
0.78  
1.49  
1.52  
1.75  
1.43  
1.49  
1.56  
1.46  
Petroleum  
1-Propanol (46)  
Refrigerant 11 (3,4)  
Refrigerant 12 (3)  
Refrigerant 14 (14)  
Refrigerant 21 (3)  
Refrigerant 22 (3)  
Refrigerant 113 (3)  
Refrigerant 114 (3)  
Refrigerant 115 (3)  
Refrigerant C318 (3)  
Silicone (30 cp)  
Toluene (16,52)  
Transformer Oil  
Trichlorethylene  
1,1,1-Trichloro-ethane  
Turpentine  
893.9  
783.7  
665.3  
656.4  
574  
1.62  
0.99  
0.87  
990  
1328  
1390  
1050  
985  
4357  
4557.4  
3442.6  
3231.6  
4117.5  
4914.7  
4596.7  
4859.0  
5013.1  
5085.2  
5095.1  
5059.0  
4980.3  
4868.9  
4721.3  
4557.4  
4370.5  
4593  
1.33  
0.88  
0.996  
1255  
1498  
1402  
1482  
1529  
1551  
1554  
1543  
1519  
1485  
1440  
1390  
1333  
1400  
1531  
1076  
1343  
1331.5  
1334  
(49,50)  
Water, distilled  
Water 0 degrees C  
Water 20 degrees C  
Water 40 degrees C  
Water 60 degrees C  
Water 80 degrees C  
Water 100 degrees C  
Water 120 degrees C  
Water 140 degrees C  
Water 160 degrees C  
Water 180 degrees C  
Water 200 degrees C  
Water, heavy  
Water, sea  
Wood Alcohol (40,41)  
m-Xylene (46)  
o-Xylene (29,46)  
p-Xylene (46)  
1
1.025  
0.791  
0.868  
0.897  
5023  
3530.2  
4406.2  
4368.4  
4376.8  
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 vibration; improper specification; misapplication; misuse or other operating  
conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are 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 the  
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR  
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED 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 OMEGAS 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:  
FOR NON-WARRANTY REPAIRS, consult OMEGA  
for current repair charges. Have the following  
information available BEFORE contacting OMEGA:  
1. Purchase Order number under which the product  
was PURCHASED,  
1. Purchase Order number to cover the COST  
of the repair,  
2. Model and serial number of the product under  
warranty, and  
3. Repair instructions and/or specific problems  
relative to the product.  
2. Model and serial number of the product, and  
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 2005 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.  
Where Do I Find Everything I Need for  
Process Measurement and Control?  
OMEGA…Of Course!  
Shop online at omega.com  
TEMPERATURE  
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Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies  
Wire: Thermocouple, RTD & Thermistor  
Calibrators & Ice Point References  
Recorders, Controllers & Process Monitors  
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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  
Industrial pH & Conductivity Equipment  
DATA ACQUISITION  
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Data Acquisition & Engineering Software  
Communications-Based Acquisition Systems  
Plug-in Cards for Apple, IBM & Compatibles  
Datalogging Systems  
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Recorders, Printers & Plotters  
HEATERS  
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Heating Cable  
Cartridge & Strip Heaters  
Immersion & Band Heaters  
Flexible Heaters  
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Laboratory Heaters  
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  
M4176/0605  

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