User’s Guide
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FLR5000, 6000, 7000, 8000,
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Flow Transmitter
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FLR 5000, 6000, 7000, 8000, and
9000 Series Flow Transmitter Installation
CAUTION
CAUTION
This product should be installed and serviced by
technically qualified personnel trained in maintaining
industrial class flow instrumentation and processing
equipment.
Read instructions thoroughly before installing the
unit. If you have any questions regarding product
installation or maintenance, call your local supplier
for more information.
All meters include an analog output that can be config-
ured for 0–5 Vdc, 0–10 Vdc, or 4–20 mA current loop.
I. INTRODUCTION
The FLR Flow Transmitter is a state-of-the-art, micro-
processor based variable area flow meter. It combines
the rugged proven technology of a piston-type,
variable area flow meter with solid state circuitry
including:
Applications for the FLR Flow Transmitter include:
• Bearing lubrication
• Case drain verification
• Gun drill and machine cooling
• Pump flow outputs
• Non-contact sensor electronics
• Electronic signal conditioning circuit
• Digital flow rate and total indication
• Proportional analog output
The product is sealed against industrial contamination
by a NEMA 12 and 13 (IP 52/54) rated enclosure and
is available for either liquid or gas service.
®
The FLR Flow Transmitter is capable of calculating and
displaying both flow rate and total accumulated flow.
The flow rate and total flow can be displayed in any of
the user selectable measurement units. The monitor’s
large 8 digit numeric liquid crystal display makes
extended range viewing practical. The second 8 char-
acter alphanumeric display provides for selectable
units viewing in RUN mode and prompts for variables
in PROGRAM mode.
All FLR Flow Transmitters come pre-calibrated from the
factory. However, the unit may be adjusted by the user
to meet specific system requirements. Calibration
parameters are included for:
• Specific gravity compensation (water or
petroleum-based fluids)
• Pressure and temperature compensation
(pneumatic applications)
Figure 1. FLR Flow Transmitter
Page 1
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FLR Flow Transmitter
Installation & Programming Instructions
Electrical
Power Requirement:
• 0–5 Vdc Output 10-30 Vdc @ 0.75W maximum
• 0–10 Vdc Output 12-30 Vdc @ 0.75W maximum
• 4–20 mA Output loop powered, 30 Vdc maximum
Power Consumption:
II. SPECIFICATIONS
Enclosure Rating
• NEMA 12 & 13 (equivalent to IP 52/54)
Operating Temperature
• Fluid: -20° to 240°F (-29° to 116°C)
• Ambient: -20° to 158°F (-29° to 70°C)
Environmental
• 25 mA maximum
Analog Outputs:
• Humidity: 0–90 % non-condensing
• 0–5 Vdc and 0–10 Vdc into 10,000 Ohms
minimum
• 4–20 mA into 1000 Ohms maximum
(see Figure 2)
Pressure (Aluminum / Brass Operating)
• Liquids (1/4" to 1-1/2"): 3500 psi (241 bar)
maximum, with a 3:1 safety factor
• Gases (1/4" to 1-1/2"): 1000 psi (82 bar)
maximum, with a 10:1 safety factor
Circuit Protection:
• Reverse polarity and current limiting
Transmission Distance:
• 4–20 mA limited by cable resistance
• 0–5 Vdc 1000 feet (300 m) maximum
• 0–10 Vdc 1000 feet (300 m) maximum
Isolation:
Pressure (Stainless Steel Operating)
• Liquids (1/4" to 1/2"): 6000 psi (414 bar)
maximum, with a 3:1 safety factor
• Liquids (3/4" to 1-1/2"): 5000 psi (345 bar)
maximum, with a 3:1 safety factor
• Gases (1/4" to 1-1/2"): 1500 psi (103 bar)
maximum, with a 10:1 safety factor
• Inherently isolated from the piping system
Rate and Totalization Display
• Fixed or toggle modes of operation for rate and
totalizer display
• 8 digit, .70" high numeric display for rate and
total
• 8 digit, .35" high alphanumeric display for units
and setup
Accuracy
•
2% of full scale
Repeatability
•
0.5%
Pressure Drop
See Appendix for specific transmitter information
Temperature Drift
• 50 ppm/ °C (Max)
Analog Output
• Resolution - 1:4000
Transient Over-Voltages:
• Category 3, in accordance with IEC 664
Pollution Degree:
• Category 2, in accordance with IEC 664
Additional dimension specifications can be found in
Table 1 on page 3.
Figure 2. Load Limitations (4-20 mA Output Only)
Page 2
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FLR Flow Transmitter
Installation & Programming Instructions
Table 1 - Dimensions
A
B
C
D
E
F
G
H
I
J
K
Nominal
Port Size
Length
in. (mm)
Length
in. (mm)
Length
in. (mm)
Width
Width
Width
Width
in. (mm)
Depth
Offset Hole Dia.
in. (mm) in. (mm) in. (mm)
in. (mm) in. (mm) in. (mm)
1
/
4
(SAE 6)
(SAE 10)
(SAE 12)
6.60 (168)
6.60 (168)
7.20 (183)
7.20 (183)
5.27 (134)
5.27 (134)
5.27 (134)
5.27 (134)
6.41 (163)
6.41 (163)
7.04 (179)
7.04 (179)
6.00 (152) 3.23 (82)
6.00 (152) 3.23 (82)
6.00 (152) 3.60 (91)
6.00 (152) 3.60 (91)
3.00 (76)
3.00 (76)
3.00 (76)
3.00 (76)
4.20 (107)
4.20 (107)
4.20 (107)
4.20 (107)
5.02 (128)
5.02 (128)
2.94 (75) 1.51 (38)
2.94 (75) 1.51 (38)
2.94 (75) 1.27 (32)
2.94 (75) 1.27 (32)
4.50 (114) 2.20 (56)
4.50 (114) 2.20 (56)
.31 (8)
.31 (8)
.31 (8)
.31 (8)
.31 (8)
.31 (8)
1
/
3
/
2
4
1 (SAE 16)
1-1
1-1
/
4
(SAE 20) 12.20 (310) 10.68 (271) 11.65 (296) 7.63 (194) 4.84 (123) 3.82 (97)
(SAE 24) 12.20 (310) 10.68 (271) 11.65 (296) 7.63 (194) 4.84 (123) 3.82 (97)
/
2
®
FLR
CAUTION
III. INSTALLATION
This unit should be installed and serviced by technically
qualified personnel trained in maintaining industrial class flow
instrumentation and processing equipment.
Air/gas transmitters are NOT oxygen cleaned. Use
with oxygen may cause hazardous or explosive con-
ditions that may cause serious personal injury and/or
equipment damage.
WARNING
CAUTION
Disconnect electrical power before opening wiring enclo-
sure. Failure to follow these instructions could result in
serious personal injury or death and/or damage to the
equipment.
This transmitter may contain residual amounts of test fluid at
the time of shipment. This fluid should be removed prior to
installation as the fluid may be incompatible or hazardous
with some liquids or gases. Failure to follow these
instructions could result in damage to the equipment.
WARNING
CAUTION
All wiring should be installed in accordance with the
National Electrical Code and must conform to any
applicable state and local codes. Failure to follow these
instructions could result in serious personal injury or death
and/or damage to the equipment.
This standard transmitter is unidirectional. Attempts to flow
fluids in the opposite direction of the flow arrow will result in
the meter acting as a check valve, creating a deadheading
situation. If the differential pressure magnitude is great
enough, damage to the internal parts of the meter will result.
Page 3
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FLR Flow Transmitter
Installation & Programming Instructions
DON’T - Use thread locking compounds as thread
sealant.
Installation Recommendations
The transmitter is a simple device to install. However,
the following measures are recommended for reliable,
trouble-free operation:
DON’T - Install the transmitter near turbulence pro-
ducing fittings such as elbows, reducers, close cou-
pled valves, etc. The transmitter does not require flow
straighteners or special lengths of straight inlet/outlet
piping to stabilize turbulent flow patterns. However, to
assure maximum operational reliability, avoid installa-
tion of elbows, valves and/or reducers immediately
adjacent to the transmitter inlet.
DO - Align pipe accurately. Piping should be accurate-
ly aligned and of correct length. The high pressure
body of the transmitter can withstand shock and
flow/pressure pulsation. However, the piping should be
firmly supported by external mounting brackets, both
upstream and downstream of the meter, to avoid any
pipe flexing action that could reduce meter life.
DON’T - Install the transmitter near fast-acting valves.
Fast-acting valves have the potential to create high
magnitude hydraulic pressure spikes. These spikes
can damage the internal components of the transmit-
ter, resulting in inaccuracies or malfunction.
DO - Use rigid mounting. If the transmitter inlet or out-
let are to be rigidly mounted, and the opposing port is
to be connected to flexible hose, the end connected
with the flexible hose must be rigidly mounted.
DON’T - Allow unidirectional transmitters to be
®
DO - Use Teflon tape for sealing NPT fittings.
operated against the direction of the flow arrow. The
standard transmitter is a unidirectional flow transmitter.
The piston acts as a check valve to block flow in the
reverse direction. This causes an excessive pressure
differential, which can result in damage to internal
transmitter components. The transmitter is also avail-
able in a modified design, which offers a reverse flow
bypass feature to accommodate bi-directional flow.
DO - Install unions. Install a union near the inlet or
outlet of the transmitter. This will facilitate quick, easy
removal and inspection during periodic maintenance
procedures.
DO - Ensure the fluid is traveling in the direction of the
flow arrow (Figure 5 on page 6).
NOTE: Transmitters with a reverse flow bypass
feature are available. Consult factory for details.
NOTE: The FLR Flow Transmitter display board can be
rotated 180° for optimal viewing. Simply remove the
FLR Flow Transmitter cover, disconnect the ribbon
cable, rotate the display board 180°, reconnect the rib-
bon cable, and reinstall cover. See Figure 8 on page 7
for cover screw tightening sequence.
Electrical Connections
Cable may be shortened or lengthened as required by
installation. The cable is soldered directly to the
electrical connector at the factory.
DO - Use at least a 200 mesh (74 micron) filter. The
transmitter will allow particulate to pass that would jam
most valves and flow controls. Systems that do not
have filtration should be equipped with at least a 200
mesh (74 micron) filter. Most hydraulic systems
already have much finer filtration. Dirt, ferrous metal or
sealing agents, such as Teflon tape may lodge and
cause malfunction. If the transmitter is jammed at a
fixed position, follow cleaning and maintenance
instructions. See Maintenance section on page 14.
Cable replacement requires disassembly of the
electrical connector.
Page 4
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FLR Flow Transmitter
Installation & Programming Instructions
Schematics
The transmitter can be wired in various configurations
to allow interface with many different types of data col-
lection and control instrumentation.
Schematics 1 & 2 represent typical wiring for a target
powered by either AC power or DC supply.
Schematics 3 & 4 will be utilized when the flow trans-
mitter is operated with loop-powered process indica-
tors or data loggers that do not have external sensor
excitation available.
Figure 3. Electrical 4-Pin Connection
Schematic 1: 4-20 mA connection using target power supply
Schematic 2: 0-5 Vdc or 0-10 Vdc connection using target power
supply
Figure 4. Terminology
CAUTION
The flow transmitter is designed to operate only one
of its three outputs at a time (i.e.,0–5 Vdc or 0–10
Vdc or 4–20 mA). Connecting multiple outputs
simultaneously will result in inaccurate output signal
levels.
Schematic 3: 4-20 mA connection using external power supply
Schematic 4: 0-5 Vdc or 0-10 Vdc connection using external
power supply
Page 5
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FLR Flow Transmitter
Installation & Programming Instructions
Place wrench on
transmitter flats on the
same side plumbing is
being tightened
FLR
Never place wrench
on transmitter flats
opposite plumbing
being tightened
Figure 5. Flow Direction Arrow
Installing the Transmitter
Figure 6. Installing Transmitter
1. Disconnect electrical power from the target sys-
tem before making or changing any transmitter
connections.
Rotate transmitter by
hand to view flow
display
2. Use 0.05A fast acting fuse if non-current limited
power sources are utilized.
3. Terminate cable shield connection at either DC
ground or Earth ground.
Never use wrench to
rotate transmitter
body when viewing
flow display
4. Mount the transmitter so fluid is traveling in the
direction of the flow arrow. See Figure 5.
5. Install unit in desired location. Use wrench on
transmitter flats to hold the unit in place during
installation. DO NOT TURN the transmitter
using the wrench. See Figure 6.
Figure 7. Rotating Transmitter
display.) After programming the meter a password may
be entered to prevent unauthorized access or chang-
ing of the setup features.
6. After installation, rotate transmitter by hand to
view display. See Figure 7.
Normal Operation (RUN) Mode
7. Capture the zero flow position on the meter
cone using the ZERO CAPTURE procedure
found on page 12.
During normal operation, the display will show RUN
and the flow rate, total flow, or toggle back and forth
between the two as defined by the DISPLAY configu-
ration.
IV. OPERATION
The 4 buttons have the following function in RUN
mode:
NOTE: Refer to the Appendix for application informa-
tion and fluid charts.
MENU - Selects programming mode.
UP ARROW - No function.
Operating the Meter
The monitor has two modes of operation, referred to
as RUN mode and PROGRAM mode as indicated on
the display screen readout. Normal operation will be in
the run mode. To access the program mode, press the
MENU key until the first programming screen
RIGHT ARROW - No function.
DISPLAY appears. (PROGRAM appears on left side of
Page 6
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FLR Flow Transmitter
Installation & Programming Instructions
ENTER - The current total can be manually stored in
the monitor's flash memory. Press and hold the
ENTER key for 2 seconds. The display will respond
with a flashing TOTALSVD and then will return to RUN
mode.
Cover Removal/Reinstallation
It is necessary to remove the FLR Transmitter cover to
access the programming keys. Use a Phillips screw-
driver to remove the 4 screws that hold the cover in
place, turning them counterclockwise. When program-
ming is completed, reinstall the cover. To properly seat
the built-in cover gasket, tighten the cover screws
clockwise in a criss-cross pattern as shown in Figure 8.
RESET TOTAL - To reset the monitor total display,
press the MENU and ENTER keys simultaneously
until TOTALRST starts to flash. The TOTALRST will
stop flashing and the display will return to RUN mode
at the conclusion of the reset procedure.
®
Programming Operation (PROGRAM) Mode
The programming mode allows the user to change the
configuration and adjust the calibration of the meter.
The FLR Flow Transmitter has two types of configura-
tion changes in program mode:
• To view or change selections from a
predefined list
• To view or change numeric entries
During programming operation, the following four but-
ton functions are provided:
Figure 8. Cover Screw Tightening Sequence
MENU - Enters and exits programming mode.
Change to programming mode by pressing the MENU
key once. The mode indicator on the display will
change from RUN to PROGRAM.
UP ARROW - Use the UP ARROW key to scroll
through the configuration choices in a bottom-to-top
order. For numeric setup, this button increments
numeric values.
RIGHT ARROW - Use the RIGHT ARROW key to
scroll through the configuration choices in a top-to-bot-
tom order. For numeric setup, this button moves the
active digit to the right.
ENTER - Used to enter menus to change configura-
tions and to save programming information.
NOTE: If any input value exceeds the meter's capabili-
ties the LIMIT indicator will begin to flash indicating an
invalid entry. Press ENTER once to return to the entry
screen to reenter the value.
Page 7
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FLR Flow Transmitter
Installation & Programming Instructions
Programming Procedures
Numeric Value Entry Procedure
Note: If you are already in PROGRAM mode and the
desired selection is displayed, proceed to step 3
below. If you are in PROGRAM mode and the desired
selection is not displayed, press the UP or RIGHT
ARROW key and repeat pressing until the desired
selection appears. Proceed to step 3.
The FLR Transmitter allows two basic sets of program-
ming procedures: list item selection and entering
numeric values.
List Item Selection Procedure
Note: If you are already in PROGRAM mode and the
selection to be viewed or changed is already
displayed, proceed to step 3 below. If you are in
PROGRAM mode and the selection to be viewed or
changed is not displayed, press the UP or RIGHT
ARROW key and repeat pressing until the desired
selection appears. Proceed to step 3.
1. Press MENU.
PROGRAM appears in the lower left-hand corner and
DISPLAY appears.
2. Press UP or RIGHT ARROW key until the
desired selection displays.
The current numeric value for this selection appears in
the upper section of the display.
1. Press MENU.
PROGRAM appears in the lower left-hand corner and
DISPLAY appears.
3a. If the current displayed value is desired, press
ENTER. The left most programmable number
begins to flash. Press ENTER again to confirm
and keep the current setting.
2. Press the UP ARROW or RIGHT ARROW key
to move to the desired selection.
3. Press ENTER to view the current selection.
The unit will automatically advance.
4a. If the current selection is desired, press ENTER
to confirm.
3b. If current selection must change, press ENTER.
The left most programmable number begins to
flash. Use the UP ARROW key to scroll through
the digits 0–9 and change the flashing digit to
the desired value. Use the RIGHT ARROW key
to move the active digit to the right. Continue
using the UP and RIGHT ARROW keys until all
desired digits are selected.
The unit will automatically advance.
4b. If current selection must change, press either
arrow key to scroll through the available choic-
es. Press ENTER to confirm your selection.
The unit will automatically advance.
4. Press ENTER to confirm your selection.
The unit will automatically advance.
5. To exit programming, press the MENU button.
The display will change to RUN mode.
5. To exit programming mode, press the MENU
key.
The display will change to RUN mode.
Page 8
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FLR Flow Transmitter
Installation & Programming Instructions
Total Display Multiplier
Programming Flow Chart
The programming flow chart on pages 10 and 11 will
aid understanding of the menu structure of the FLR
Flow Transmitter. It will also help with understanding
the available configuration selections.
The meter has the ability to accumulate the flow total
in multiples of ten. For example, if the most desirable
totalization unit is 1,000 gallons, the monitor can easily
be set up for this requirement. Once back in RUN
mode every time the total display increments by one
digit the actual total would be an additional 1,000 gal-
lons. At 1,000 total gallons the total display would read
1, at 3,000 gallons the total display would read 3, etc.
This feature allows the unit to accumulate totals that
would exceed the 8 digit display capacity. Table 2 lists
the available selection choices. Its displayed name is
TOTL EXP and is viewed or changed using the List
Item Selection Procedure found on page 8.
Programming Descriptions
Display Mode
The meter can display RATE (flow rate) or TOTAL
(total accumulated flow) or alternate between BOTH
rate and total. Its displayed name is DISPLAY and is
viewed or changed using the List Item Selection
Procedure found on page 8.
Table 2 - Total Flow Units
Rate Units of Measure
Total display number indicates
E-2
The meter allows the selection of many common rate
units. Its displayed name is RATE UNT and is viewed
or changed using the List Item Selection Procedure
found on page 8.
increments of 0.01 unit
Total display number indicates
increments of 0.1 unit
E-1
Total display number indicates
increments of 1 unit
E0
Rate (Time) Interval
Total display number indicates
E1
increments of 10 units
The meter allows selection of several intervals based
on time. Its displayed name is RATE INT and is
viewed or changed using the List Item Selection
Procedure found on page 8.
Total display number indicates
increments of 100 units
E2
Total display number indicates
E3
increments of 1,000 units
Total display number indicates
E4
Total Units of Measure
increments of 10,000 units
Total display number indicates
E5
If the total flow is being displayed, the units for the
total must first be chosen. The monitor allows the
choice of many common totalization units. Its
displayed name is TOTL UNT and is viewed or
changed using the List Item Selection Procedure
found on page 8.
increments of 100,000 units
Total display number indicates
E6
increments of 1,000,000 units
Scale Factor
The scale factor is used to span the meter. Its dis-
played name is SCALE F and is viewed or changed
using the Numeric Value Entry Procedure found on
page 8.
Page 9
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FLR Flow Transmitter
Installation & Programming Instructions
Page 10
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FLR Flow Transmitter
Installation & Programming Instructions
Page 11
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FLR Flow Transmitter
Installation & Programming Instructions
Zero Capture
Viscosity
The zero position of the meter cone must be set when Viscosity is used in conjunction with the Meter Size to
installing the meter. To capture the zero calibration perform viscosity correction when the Meter type
position, press ENTER at the ZERO CAP prompt. NO selected is OIL. Enter in SUS units the viscosity of the
will display. Press either arrow key to change to YES,
then press ENTER to capture zero.
oil that will be used. Its displayed name is VISC SUS
and is viewed or changed using the Numeric Value
Entry Procedure found on page 8.
Meter Type
Operating Pressure
The meter can be programmed to compensate for
specific gravity, pressure, and temperature depending
upon the application. Its displayed name is METER-
TYP and is viewed or changed using the List Item
Selection Procedure found on page 8.
The operating pressure is used in gas applications to
compensate for the actual pressure being measured
at the meter. Enter the operating pressure in PSI units.
Its displayed name is OP PRES and is viewed or
changed using the Numeric Value Entry Procedure
found on page 8.
Note: Refer to Flow Chart on pages 10 and 11. When
Meter Type WATER is selected, specific gravity
(SP GRAV) will automatically follow.
Operating Temperature
The operating temperature is used in gas applications
to compensate for the actual temperature of the gas
being measured at the meter. Enter the operating
temperature in ºF units. Its displayed name is OP
TEMP and is viewed or changed using the Numeric
Value Entry Procedure found on page 8.
Note: Refer to Flow Chart on pages 10 and 11. When
Meter Type OIL is selected, meter size (METERSIZ),
viscosity (VISC SUS), and specific gravity (SP GRAV)
will automatically follow.
Note: Refer to Flow Chart on pages 10 and 11. When
Meter Type GAS is selected, operating pressure (OP
PRESS ), operating temperature (OP TEMP), and
specific gravity (SP GRAV) will automatically follow.
Specific Gravity Correction Factor
Specific Gravity is used to compensate for the specific
gravity of the liquid or gas being measured with the
meter. Its displayed name is SP GRAV and is viewed
or changed using the Numeric Value Entry Procedure
found on page 8.
Meter Size
Meter size is used in conjunction with Viscosity to
perform viscosity correction. Table 3 lists the available
selection choices. Its displayed name is METERSIZ
and is viewed or changed using the List Item Selection
Procedure found on page 8.
Damping
The Damping factor is increased to enhance the
stability of the flow readings. Damping values are
decreased to allow the flow meter to react faster to
changing values of flow.This parameter can range
from 0 to 99; factory default is 0. Its displayed name is
DAMPING and is viewed or changed using the
Numeric Value Entry Procedure found on page 8.
Table 3 - Meter Size Types
1/4" & 1/2" meter
3/4" & 1 meter
11/4" & 11/2" meter
30GPM
"
1GPM
2GPM
2GPM
5GPM
50GPM
5GPM
10GPM
20GPM
75GPM
10GPM
15GPM
100GPM
30GPM
150GPM
Page 12
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FLR Flow Transmitter
Installation & Programming Instructions
Output Mode
Note: Setup prompts and descriptors for configuring
and calibrating the analog output will correspond to
the output mode selected. Refer to the Flow Chart on
pages 10 and 11.
The FLR Flow Transmitter offers three analog output
modes:
• 4–20 mAOutput Signal
• 0–5 Volts DC Output Signal
• 0–10 Volts DC Output Signal
1. At the CAL OUT? prompt press ENTER.
NO will display.
2. To change to YES, press either arrow key.
3. The analog output will go to its minimum output
level. A numeric value between 0–4000 will dis-
play. This is an internal number used to drive
the analog output.
The output mode selected is determined by the type of
peripheral device being connected to the FLR Flow
Transmitter.
The displayed name is OUT MODE and is viewed or
changed using the List Item Selection Procedure
found on page 8.
4. To increase the analog output signal level, press
the UP ARROW key. To decrease the analog
output signal level, press the RIGHT ARROW
key.
Note: Setup prompts and descriptors for configuring
and calibrating the analog output will correspond to
the output mode selected. Refer to the Flow Chart on
pages 10 and 11.
5. Press ENTER to store the setting.
6. The analog output will go to its maximum output
level. A numeric value between 0–4000 will dis-
play. This is an internal number used to drive
the analog output.
Flow at 0V or 4mA Setting
This selection is used to configure the minimum ana-
log output signal to the corresponding flow rate. Enter
the flow rate at which the minimum analog output sig-
nal is required using the Numeric Value Entry
Procedure found on page 8.
7. To increase the analog output signal level, press
the UP ARROW key. To decrease the analog
output signal level, press the RIGHT ARROW
key.
8. Press ENTER to store the setting.
Flow at 5V, 10V or 20mA Setting
9. The unit will advance to the analog output test
mode. The analog output will go to its minimum
output level. A numeric value of 0 will display.
For test purposes, the analog output signal can
be run up or down in increments of 1 milliamp or
1 volt, depending on the OUT MODE selected.
This selection is used to configure the maximum ana-
log output signal to the corresponding flow rate. Enter
the flow rate at which the maximum analog output sig-
nal is required using the Numeric Value Entry
Procedure found on page 8.
10. To increase the analog output signal level, press
the UP ARROW key. To decrease the analog
output signal level, press the RIGHT ARROW
key.
Calibration of Analog Output
This selection allows access to the calibration and
testing of the analog output signal. Calibration of the
Analog Output is preset at the factory, but can be
changed to customize calibration for your installation.
11. Press ENTER to exit the analog calibration
mode.
12. The unit automatically advances to the PASS-
WORD feature.
To test or change the analog output calibration, it is
first necessary to change the default setting for CAL
OUT? from NO to YES.
Page 13
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FLR Flow Transmitter
Installation & Programming Instructions
Password
WARNING
Password protection prevents unauthorized users from
changing programming information. Initially the pass-
word is set to all zeros. Its displayed name is
PASSWORD and is viewed or changed using the
Numeric Value Entry Procedure found on page 8.
Do not use aromatic hydrocarbons, halogenated
hydrocarbons, ketones, or ester based fluids on
polycarbonate lens. Failure to follow these
instructions could result in damage to the transmitter.
4. Remove the inlet port cap, wave spring, retain-
ing ring, and cone assembly from the transmitter
body (Figure 9 on page 15).
Restore Defaults
This feature allows you to restore factory calibration
data. Its displayed name is RES DFLT. To restore fac-
tory calibration data, select YES, then press ENTER.
5. Gently push the body towards the outlet port.
6. The piston, inner magnet and transmitter spring
are secured within the transmitter body with a
retaining ring. Remove the retaining ring with a
small screwdriver, then the internal components
can be removed from the body (Figure 9 on
page 15).
V. MAINTENANCE
WARNING
Before attempting to remove the transmitter from the
line, check the system to confirm that line pressure
has been reduced to zero PSI. Failure to follow
these instructions could result in serious personal
injury or death and/or damage to the equipment.
NOTE: If internal parts do not slide freely from
cartridge, use a wooden dowel inserted into the outlet
port of the transmitter to push parts out.
7. Place all parts on a clean work surface. Clean
and inspect all parts. Replace any that appear
worn or damaged.
WARNING
Check inlet port O-ring for damage and replace
if required.
Always disconnect the primary power source before
opening the enclosure for inspection or service.
Failure to follow these instructions could result in
serious personal injury or death and/or damage to
the equipment.
8. Reassemble the transmitter by inserting the
transmitter spring into the body, followed by the
piston/inner magnet assembly. A slight compres-
sion of the piston against the spring is required
during installation of the retaining ring.
Cartridge Cleaning (Figure 4 on page 5 and
Figure 9 on page 15)
9. Gently push body assembly into the outlet end
of the transmitter enclosure. The flat surface of
the body outlet port should be flush with the
transmitter enclosure opening.
1. Disconnect the transmitter cable.
2. Remove the transmitter from the line. Remove
excess piping from transmitter.
10. With the transmitter positioned vertically on a
flat surface, inlet port facing up, install the trans-
mitter cone assembly and wave spring into the
body and secure with the inlet port end cap.
NOTE: It is not necessary to remove the aluminum
housing from the transmitter to remove it from the line.
3. Thoroughly wipe off the entire transmitter sur-
face using mild detergent or isopropyl alcohol.
11. Reinstall transmitter to the line. Reconnect elec-
trical power.
Page 14
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FLR Flow Transmitter
Installation & Programming Instructions
Inspection
1. Frequent inspection should be made. The envi-
ronment and frequency of use should determine
a schedule for maintenance checks. It is recom-
mended that it should be at least once a year.
2. Perform visual, electrical, and mechanical
checks on all components on a regular basis.
3. Visually check for undue heating evidence such
as discoloration of wires or other components,
damaged or worn parts, or leakage evidence
such as water or corrosion in the interior.
4. Electrically check to make sure that all connec-
tions are clean and tight and that the device is
wired properly.
VI. TROUBLESHOOTING
No LCD display
• For 4–20 mAoperation, check for current flow in
the loop.
• Check polarity of the current loop connections
for proper orientation.
• For 0–5 V or 0–10 V operation, check for proper
voltage being supplied to the unit.
Figure 9. Cartridge Components
• Check polarity of the supply voltage.
models of each transmitter size provide good accuracy
over a viscosity range of 40 to 500 SUS (4.2 to 109
cSt).
No rate or total displayed
• Check flow meter cone for debris. Cone should
move inside the tube freely.
• Check setup programming of flow meter.
Density Effect (specific gravity)
Any fluid density change from stated standards has a
proportionate effect on transmitter accuracy.
Corrections for more or less dense fluids can be made
to standard scales using the following correction fac-
tor:
Unstable Flow Reading
• This usually indicates pulsing or oscillation in the
actual flow. Increase the DAMPING parameter
to increase the filtering in order to provide a
more stable display reading.
1.0
1.0
1.0
Specific Gravity
for water/water-based transmitters
for petroleum-based transmitters
VII. APPENDIX
Application Information – Liquid
Viscosity Effect (SUS/cSt)
0.876
0.876
Specific Gravity
The design utilizes a precision machined, sharp-edged
orifice and biasing calibration spring that assures
operating stability and accuracy over the wide viscosi-
ty range common to many fluids. Generally, high flow
Page 15
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FLR Flow Transmitter
Installation & Programming Instructions
Application Information – Pneumatic
NOTE: Pressure and temperature readings must be
taken at the flow transmitter inlet to ensure accurate
correction factors.
The pneumatic flow transmitter is calibrated for air in
standard cubic feet per minute (scfm) at 1.0 s.g. (70°F
@ 100 psi), and liters per second (lps) at 1.0 s.g.
(21°C @ 6.9 bar).
Figure 10. System Schematic
Table 5 - Fluid Selection
Table 4 - Correction Factors
FLOW RATE CORRECTION FACTORS FOR GAS
f1
=
conversion factor for inlet pressure
f2 = conversion factor for temperature
3 = conversion factor for specific gravity
SCFM (Indicated)
SCFM (Actual) =
f
1
x f2 x f3
f
Air / Gas
PRESSURE CORRECTION FACTOR (f1)
Operating Pressure (psig)
Air
Argon (A)
Carbon Dioxide (CO2) 1.53 1.237
1.0
1.000
R
R
R
R
R
R
R
C
C
R
R
R
R
R
R
R
R
R
C
C
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
C
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
N
R
R
N
R
R
R
R
R
R
R
C
C
R
N
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
1.38 1.175
psig 25
f1
50
75
100
125
150
175
200
225 250
1.700 1.331 1.131
1.00
.902
.835
.778
.731 .692 .658
Freon 11 (CCI3F)
Freon 12 (CCI2F)
Helium (HE)
4.92 2.218
4.26 2.060
0.14 0.374
0.07 0.265
0.60 0.775
0.97 0.985
1.10 1.049
1.57 1.253
114.7
1
=
f
14.7+psig
Hydrogen (H2)
Natural Gas
TEMPERATURE CORRECTION FACTOR (f2)
Nitrogen (N2)
Oxygen (O2)
°F 10
f2 .942
30
50
70
90
110
130
150
170 190
.962 .981
1.00
1.018 1.037 1.055 1.072 1.090 1.107
Propane (C3H8)
460 +
530
°F
R = Recommended
N = Not recommended
C = Consult Factory
f
2
=
SPECIFIC GRAVITY CORRECTION FACTOR (f3)
f
3
=
Specific Gravity
Note: Table 4 is included to show the correction algorithms included in the program to perform pressure,
temperature, and specific gravity corrections. When configuring the FLR Flow Transmitter, enter the actual
operating pressure, temperature, and specific gravity values, not the correction factors.
Page 16
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FLR Flow Transmitter
Installation & Programming Instructions
Flow vs. Pressure Drop
Water Based Fluids
1-15
.20-2.0
3/4" / 1"
1/2"
1/4"
.10-1.0
4-4
0.5
1-10
.02-.20
.05-.50
0.5-5.0
3-30
0.1-1.0
0.2-2.0
2-20
FLOW, GPM
FLOW, GPM
FLOW, GPM
20-180
3"
20-275
1-1/4"/ 1-1/2"
10-150
10-100
10-75
5-50
3-30
FLOW, GPM
FLOW, GPM
Water Based Fluids (continued)
1-1/4"/1-1/2" Reverse Flow
1/2" Reverse Flow
3/4"/1" Reverse Flow
10-150
1-15
4-40
3-30
10-100
1-10
10-75
2-20
0.2-2.0
0.5-5.0
5-50
1-10
3-30
0.5-5.0
0.1-1.0
0.2-2.0
FLOW, GPM
FLOW, GPM
FLOW, GPM
Page 17
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FLR Flow Transmitter
Installation & Programming Instructions
Water
1-15
.20-2.0
.05-.50
5-50
3/4" / 1"
1/4"
1/2"
.10-1.0
4-40
1-10
.02-.20
3-30
0.5-5.0
0.1-1.0
0.2-2.0
1-10
0.5-5.0
2-20
0.2-2.0
FLOW, GPM
FLOW, GPM
FLOW, GPM
15-150
1-1/4"/ 1-1/2"
3"
10-150
10-100
10-100
10-75
5-50
3-30
5-50
FLOW, GPM
FLOW, GPM
Caustic and Corrosive Liquids
Page 18
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FLR Flow Transmitter
Installation & Programming Instructions
Petroleum Fluids
1-15
3/4"/ 1"
1/2"
.20-2.0
5-50
1/4"
4-40
.10-1.0
1-10
3-30
10
1-10
.05-.50
0.5-5.0
.02-.20
2-20
0.5-5.0
5
0.2-2.0
0.2-2.0
0.1-1.0
0
0
10
FLOW, GPM
FLOW, GPM
FLOW, GPM
20-300
10-200
10-150
1-1/4"/1-1/2"
3.0"
10-100
10-75
5-50
3-30
FLOW, GPM
FLOW, GPM
1-1/4"/1-1/2" Reverse Flow
1/2" Reverse Flow
3/4"/1" Reverse Flow
10-150
1-15
4-40
3-30
10-100
10-75
1-10
2-20
0.2-2.0
0.5-5.0
5-50
3-30
1-10
0.5-5.0
0.1-1.0
0.2-2.0
FLOW, GPM
FLOW, GPM
FLOW, GPM
Page 19
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FLR Flow Transmitter
Installation & Programming Instructions
Phosphate Ester
.20-2.0
1/4"
1-15
1/2"
.10-1.0
1-10
.02-.20
6
.05-.5O
0.2-2.0
0.1-1.0
0.5-5.0
4
2
0
4
2
0
0.0
0.5
0
1
2
2.5
FLOW, GPM
FLOW, GPM
3/4"/ 1"
10-150
5-50
1-1/4" / 1-1/2"
4-40
10-100
3-30
0.5-5.0
6
4
10-75
2-20
5-50
3-30
1-10
2
0
0.2-2.0
4
5
0
1
2
3
FLOW, GPM
FLOW, GPM
1-1/4"/1-1/2" Reverse Flow
1/2" Reverse Flow
3/4"/1" Reverse Flow
10-150
1-15
4-40
3-30
10-100
10-75
1-10
2-20
0.2-2.0
0.1-1.0
0.5-5.0
5-50
3-30
1-10
0.5-5.0
0.2-2.0
FLOW, GPM
FLOW, GPM
FLOW, GPM
Page 20
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FLR Flow Transmitter
Installation & Programming Instructions
A.P.I. Oil
1-15
1/2"
.20-2.0
1/4"
.10-1.0
1-10
0.5-5.0
0.2-2.0
FLOW, GPM
FLOW, GPM
3/4"/ 1"
1-1/4"/1-1/2"
4-40
10-100
3-30
10-75
1-10
2-20
0.5-5.0
5-50
3-30
0.2-2.0
FLOW, GPM
FLOW, GPM
Air / Caustic and Corrosive Gases
3-30
1/4"
15-150
1/2"
2-20
10-100
5-50
2-25
FLOW, SCFM
FLOW, SCFM
100-1000
80-800
3/4"/1"
1-1/4"/1-1/2"
25-250
10-100
15-150
60-600
5-25
40-400
20-200
5-50
FLOW, SCFM
FLOW, SCFM
Page 21
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FLR Flow Transmitter
Installation & Programming Instructions
Air / Compressed Gases
3-30
15-150
1/4"
1/2"
3/4"/1"
25-250
2-20
10-100
10-100
1-10
5-50
15-150
5-25
2-25
0.5-5
5-50
FLOW, SCFM
FLOW, SCFM
FLOW, SCFM
100-1000
80-800
3"
1-1/4"/1-1/2"
100-1400
200-2200
60-600
40-400
20-200
FLOW, SCFM
FLOW, SCFM
Page 22
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FLR Flow Transmitter
Installation & Programming Instructions
NOTES:
Page 23
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FLR Flow Transmitter
Installation & Programming Instructions
NOTES:
Page 24
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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 ship-
ping 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 writ-
ten 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; mis-
application; 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 OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PRO-
CESSING 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, insur-
ance and proper packaging to prevent breakage in transit.
FOR NON-WARRANTY REPAIRS, consult
OMEGA for current repair charges. Have the
following information available BEFORE con-
tacting OMEGA:
FOR WARRANTY RETURNS, please have the
following information available BEFORE contacting
OMEGA:
1. Purchase Order number under which the
1. PurchaseOrder number to cover the COST
product was PURCHASED,
of the repair,
2. Model and serial number of the product under
warranty, and
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 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.
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Process Measurement and Control?
OMEGA…Of Course!
Shop online at omega.com
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