Features: 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. Lightweight,reasonable size,stable performance,low water pressure start,easy to install,safe to use. 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. Specifications: G3/4" Condition:100% Brand New Material:Copper Type:G3/4"(External Thread Diameter) Water Quality Requirement:≤60℃ Start Flow Range:1.5L/min Flow Range:2-45L/min Maximum Water Pressure:1.75MPa Working Voltage Range:DC4.5-18V Max Current:10mA Insulation resistance:＞100MΩ Electrical Strength:AC500V,50Hz Copper Switch Length:Approx.45mm/1.8inch Wire Length:Approx.35cm/13.8inch Package Included: 1 x G3/4" Copper Liquid Water Flow Sensor Switch Flowmeter Meter
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