1. The Water Flow Sensor is light, nimble out-line, small size and easy to install. All materials are in line with SGS testing standards.2. There is an integrated hall effect sensor that outputs an electrical pulse with every revo-lution. 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.4. Can use for Water heaters, credit card machines, water vending machine, flow measurement device.5. Three wire connection: Red for positive, black for negative, yellow for pulse signal. Specifications:Product Name: Water Flow SensorMaterial: Brass(Shell)Liquid Temperature: Not More Than 60CExternal Thread Diameter: G1/2Tube Length: 60mmFlow Range: 1-30L/minWorking Voltage Range: DC5VMax Current: 10mAMaximum Water Pressure: 1.
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