G1-1/4" 1.25 Water Flow Hall Sensor Switch Meter Flowmeter Counter 1-120L/min

Features: Waterproof/Heat resistance,pressure resistance,cold resistance. Easy to install. Specification: Frequency: F=4.5 * Q (L / Min) error: 2% voltage :3.5-24VDC/ current can not exceed 10mA, 270 output pulses/liter, F=onstant * units of flow (L / min) * time (seconds). Flow range: 1-120L/min Mini rated voltage: DC4.5 5-24V Maximum current: 15 mA(DC 5V) Working voltage range:DC 5~18 V Load capacity: 10 mA(DC 5V) Operating Temp: 80C Operating humidity: 35%~90%RH Allow compression: Water pressure 1.75 Mpa below Insulation resistance: >100M OHM Storage Temperature: -25~80C Storage humidity: 250%95%RH Output Waveform: Square Wave,output pulse singal Package included: 1 x Flow Meter Details pictures: