AW Lake is a corporate from United States of America that sell some product such as Positive Displacement Meters, Turbine Flow Meters, Tricor Coriolis Flow Meter, Lake Variable Area Flow Meter, Lake Paddle Wheel Flow Meter “Flow Stat”, Monitor&Controllers, Flow Sensor & Pickup. One of the product that comes from the categories of Flow Sensor & Pickup is Hall Effect Sensor HEF Series.
Hall Effect Sensor HEF Series
The HEF is a Hall Effect sensor which is compatible with the Aluminum, 303 Stainless Steel and 316 Stainless Steel body JV-CG and JV-KG series of flow meters. The sensor detects the rotation of the flow meter’s gears and emits a frequency signal proportional to flow. The output signal is a square wave pulse which has a duty cycle of approximately 50%.
HEF signal outputs are protected with a self-resetting fuse. This fuse has a 50mA nominal trip point. When a trip occurs, turn off power to the sensor and remove output load to reset fuse. The HEF sensor has two different output configurations: HEF-A or HEF-AA for a sinking output and HEF-B or HEF-BB for sourcing output.
Installation:
- Ensure that the flowmeter sensor cavity is free of debris prior to installing pickup
- Make sure the sensor mounting screws line up with the mounting holes. If they do not, remove and rotate the sensor 180°
Features:
Meter Compatibility: Used with JV-CG and JV-KG meters (excluding JVM-01CG)
Output Signal: Square wave pulse with duty cycle of approximately 50%
Protection: HEF signal outputs protected with a 50mA nominal trip point self-resetting fuse
Two Output Configurations: Sinking output and sourcing output
Material Compatibility: Sensor is compatible with Aluminum, 303 Stainless Steel and 316 Stainless Steel gear meter bodies
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Specification:
Supply Voltage: +10 to 28 Volt DC
Supply Current: 8 mA @ 12 VDC, 12mA @ 24 VDC
Duty Signal: 50% ± 15%
Minimum Signal: 0.5 Hz
Frequency Output: Flow dependent, up to 2,000 Hz
Driving Capacity: 50 mA Max resistive load
Output Impedance: ~ 40 Ohm – analog switch and self-resetting fuse
Temperature Range: -40° F to 185° F (-40° C to 85° C)
Download Data Sheet: Hall Effect Sensor HEF Series
Ref: aw-lake.com
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