ITEM NAME:G1/2 Inch Thread Liquid Water Flow Switch Flowmeter Fluidmeter 1.2-12L/Min K9Z2 G1/2 Inch Thread Liquid Water Flow Switch Flowmeter Fluidmeter 1.2-12L/Min K9Z2 1. The Water Flow Sensor is light, nimble outline, small size and easy to install. 2. 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. 3. Stable, high temperature, low water pressure start, safe. 4. Can use for Water heaters, credit card machines, water vending machine, flow measurement device. 5. Water Flow Switch: Two Line Type, Normally Open, switch signal output, open when water flow through; close when no water flow through. Liquid Temperature: Not More Than 60C Female and Male Thread Diameter: G1/2 inch Start Flow Range: 1.2L/min Flow Range: 12L/min Power: 70W Working Voltage: DC/AC220V Max. Voltage Range.: DC/AC250V Cable Length: 35cm size:62mm Material:Copper + plastic colour:Yellow + black Package Contents: 1 * Water Flow Switch Flowmeter.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. Water Flow Switch: Two Line Type, Normally Open, switch signal output, open when water flow through; close when no water flow through.