G1/2 1-30L/min DC5V Water Flow Sensor Flow Meter Flow Sensor Water Control 1.75MPa Meter Switch for Arduino Features:It is a small zise product which is easy to install. Made of good material, the product is precise and , without energy consumption. Suitable for electric boiler, electric water heater, washer, wall stove, electromagnetic water heater, IC smart water meter, cooling system, circulatory system, heating equipment, etc. Three lines: red is positive, black is negative, yellow is pulse signal. Specification:Test range: 1 - 30l/min(m3/h)Instantaneous flow pulse characteristics: F =[10Q]± 10%, F stands for instantaneous pulse value (Hz),Q means instantaneous flowMax. Working Current: 15mIsolation: Insulation Resistancegt; 100M ohm Electrical Strength: AC 500V, 50Hz Use Voltage: DC 5V Suitable for Media: Water Working Pressure: 1.75MPaDegree of Protection: High Linearity: 0.01(%F.S.)Output Signal: ModerHysteresis: 0.01(%F.S)Material: BlendsMechanical Properties: Magnetic Material Dimensions: 37x58x3 7mm/1.46x2.28x1.46inchConnector Outer Diameter: G1/2"Color: BlackQuantity: 1 PcPackage Included:1 x Water Flow Sensor Flow Meter