ITEM NAME:Flow Sensor G3/4 inch DN20 Copper Hall Effect Liquid Water Flow Sensor Swit E3Z7 Flow Sensor G3/4 inch DN20 Copper Hall Effect Liquid Water Flow Sensor Swit E3Z7 Our water flow sensor is made of high-quality copper material, very sturdy and durable to use. Lightweight and has compact size, stable performance, low water pressure start, very easy to install and safe to use. Made of high-quality copper material, environmental-friendly, really sturdy and durable to use.its maximum water pressure is 1.75MPa, the range of flow is from 2L/min to 45L/min. Three wire connection: Red for positive pole, black for negative pole, yellow for pulse signal. 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. Can be perfectly used for water heaters, water dispenser, water purifier, water vending machine, coffee maker, flow measurement device, water control machine and so on.
