DIGITEN G1/2" Water Flow Sensor with 1.2M(3.9ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-30L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible

Specifications:Frequency: F=7.5 * Q (L / Min) error: ± 2% , current can not exceed 10mA, 450 output pulses/liters. F=onstant * units of flow (L / min) * time (seconds)Flow range:1-30L/minMaximum current:10 mA(DC 5V) Working voltage range: DC 5-18 VLoad capacity: ≤10 mA(DC 5V) Operating Temp: ≤80℃.Operating humidity: 35%-90%RHAllow compression: Water pressure 1.75 Mpa belowInsulation resistance: >100M OHMStorage Temperature: -25-80℃Storage humidity: 25%-95%RHOutput Waveform: Square Wave,output pulse singal. Cable length:120cm.Refer to the wiring: Red wire: VCC(+) Black wire: GND(-) Yellow wire: Signal outputPackage include:Flowmeter x 1

• ☺Work for Arduino, Raspberry Pi, and Reverse Osmosis Filter. Small size, waterproof, easy to install, heat resistance, pressure resistance, cold resistance.
• ☺Material: all materials are in line with ROHS testing standards, can be used for potable water.
• ☺Hall effect. Cable length: 1.2M(3.9ft). Flow range:1-30L/min, working voltage range:DC 5-18 V, allow compression:Water pressure 1.75 Mpa below.
• ☺Wire connector type: SM2.54 3P. Connect to G1/2 inch BSPT male thread, if used for NPT, need thread seal tape. Output waveform: square wave, output pulse signal.
• ☺Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.