Description: G1/2 Inch 1.75Mpa Water Flow Sensor Flow Meter 1-30L/min 15mA.    Specification: Test range:1~30L/min(m³/h);  Connect way:57.8*37*37mm, G1/2 outside diameter;  instantaneous flow pulse characteristics:F=[10Q]±10%, F means instantaneous pulse value(Hz),Q means instant flow;  Max. Working current:15mA;  Insulativity:insulation resistance≥100MΩ;  Electric strength:AC 500V, 50Hz;  Use voltage:DC 5V;  Fit media:water;  Material:mixtures;  Mechanical properties:magnetic material;  Working pressure:1.75MPa;  Protection grade:high;  linearity:0.01(%F.S.);  Output signal:moder;  Hysteresis:0.01(%F.S.).    Features: This is a small zise product that easy to install.  Made of good material, the product is precise and durable, no power consumption.  Suitable for gas water heater, electric water heater, washer, wall-hanging stove, electromagnetic water heater, intelligent IC water meter, cooling system, circulatory system, heating equipment,etc.  Three lines: red is positive, black is negative, yellow is pulse signal.    Package Included: 1x sensor