YIDAY 12 Inches Water Flowmeter Sensor Switch Flow Meter Flowmeter Counter 130Lmin

YIDAY 1/2'' Water Flowmeter Sensor Meter Flowmeter Counter 1-30L/min Waterproof,Heat resistance,pressure resistance,cold resistance. Easy to install. Outer diameter: about 0.79inch Frequency: F=7.5 * Q (L / Min) error: ± 2% voltage :3.5-24VDC, current can not exceed 10mA, 450 output pulses/liters, F=onstant * units of flow (L / min) * time (seconds) Flow range:1-30L/min Maximum current:15 mA(DC 5V) Working voltage range:DC 5-24 V Load capacity:?10 mA(DC 5V) Operating Temp:?80?,Operating