DIGITEN FL-408W-P G1/2" Water Flow Sensor BSP thread Flow Hall Sensor 1-30L/Min Flowmeter


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External Thread Diameter: G1/2" BSP
Frequency: F=7.5 * Q (L / Min)
Error: ±2%
Working Voltage Range: DC 3-24 V
Maximum Current: 15 mA(DC 5V)
Load Capacity: ≤10 mA(DC 5V)
Flow Range: 1-30L/min
Operating Temp: ≤80℃
Operating Humidity: 35%~90%RH
Allow Compression: Water pressure 1.75 Mpa below
Insulation Resistance: >100M OHM
Storage Temperature: -25℃~+80℃
Storage Humidity: 25%~95%RH
Output Waveform: Square Wave,output pulse singal
Cable Length:15cm

Material: POM


1. The Water Flow Sensor is light, nimble outline, small size and easy to install. The bearings used in the rotating part.
2. There is an integrated magnetic hall effect sensor that outputs an electrical pulse with every revolution. The hall effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry.
3. Three wire connection: Red for positive, black for negative, yellow for pulse signal.


1. Installed in accordance with flow direction in the product, otherwise there is no signal output.
2. A filter screen must be installed at the inlet of the sensor, in order to avoid particles and debris entering the sensor.


Wide application

It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.

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