1Pc Water Flow Sensor Switch G1/2" Copper Hall Effect Liquid Flowmeter Meter 1 30L/min for Heaters Measurement Device

【High Quality】：This water switch is made of high-quality copper material, environmental-friendly, really sturdy and to use 【G1/2 Type】：G1/2 type water sensor, its maximum water pressure is 1.75MPa, the range of is from 1L/min to 30L/min. Three wire connection: Red for positive pole, black for negative pole, yellow for pulse 【Safe to Use】：There is an integrated 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 【Better Performance】：The G1/2 water sensor is lightweight, has reasonable size, stable performance, low water pressure start, easy to install, safe to use 【Wide Application】：Liquid switch flowmeter counter can be perfectly used for water heaters, water dispenser, water purifier, water vending machine, coffee maker, measurement device, water control machine and so on., Weight: 0.220462262 pounds, Manufacturer: Raguso