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Calsense Tee-Type Flow Meter
Installation Guide
Summary
Used in conjunction with the Calsense CS3000 controller, Calsense impeller and ultrasonic flow
sensors provide accurate flow readings as well as accumulated flow. Twelve models are
available, which cover applications for a wide range of flow ranges, pipe sizes, and pressure
specifications. Long-term stability and a high-resolution measurement range make it possible
not only to measure water usage but also to detect leaks across your irrigation system.
Flow Sensor Models
Model
Tee
Housing
FM 1.5
Sch 80
FM 2
PVC
FM 3
FM 1B
FM 1.25B
Bronze
FM 1.5B
FM 2B
FM 1U
FM 1.5U
Sch 80
FM 2U
PVC
FM 3U
FM 4U
Physical Installation
IMPORTANT!
Depressurize and vent the piping system prior to any installation or maintenance
of the flow sensor.
The accuracy of flow measurement for all flow measuring devices is highly dependent on
proper location of the sensor in the piping system. Irregular flow velocity profiles caused by
valves, fittings, pipe bends, or other obstructions can lead to inaccurate overall flow rate
Type
Recommended
Design Flow
Range
0.5-30 ft/sec
Impeller
0.5-15 ft/sec
0.5-30 ft/sec
Ultrasonic 0.1-15 ft/sec
Accuracy
Max
Working
Pressure
± 1.0% of
100 PSI @
full scale
77°F
± 1% of
400 PSI @
reading
100°F
± 1.0% of
200 PSI @
full scale
100°F
± 2% of
203 PSI @
reading
70°F
Operating
Temperature
35 to 110°F
32 to 150°F
32 to 150°F
32 to 140°F
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Related Manuals for Calsense FM 1.5
Summary of Contents for Calsense FM 1.5
- Page 1 Installation Guide Summary Used in conjunction with the Calsense CS3000 controller, Calsense impeller and ultrasonic flow sensors provide accurate flow readings as well as accumulated flow. Twelve models are available, which cover applications for a wide range of flow ranges, pipe sizes, and pressure specifications.
- Page 2 Calsense flow sensors are designed to work reliably under adverse conditions, but the following recommendations should be followed to ensure maximum system accuracy: ...
- Page 3 Calsense Tee-Type Flow Meter Installation Guide Brass Impeller Flow Sensors Models FM 1B, FM 1.25B, FM 1.5B Note: The intended direction of flow is shown by arrows on the cast bronze Tee. To install the sensor Tee: 1. Apply pipe compound over the first 3 or 4 threads of the mating pipe.
-
Page 4: Electrical Installation
Calsense Tee-Type Flow Meter Installation Guide 1. Apply a small amount of silicone grease to O-rings on the sensor sleeve assembly and chamfer on inside lip of Tee. Clean off any grease which could be deposited on the impeller. 2. Align flow arrow on sensor with direction of flow. - Page 5 IMPORTANT! DO NOT make an underground splice. 4. Route the cable from the sensor to the Calsense CS3000 controller. 5. Connect the red wire to the FM RED terminal on the POC kit at the controller. 6. Connect the black wire to the GND terminal on the POC kit at the controller.
- Page 6 Calsense Tee-Type Flow Meter Installation Guide Note: Be sure the resin covers the open end of the wire nut. Wrap open end of bag with electrical tape and position the taped end up until resin gels (8-12 min. @ 73°F). Cure time is 24-hours @ 70°F.
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