Description: 60L/min Water Flow Meter Sensor DN20 G3/4 Inch DC 5V Fluid Flowmeter Counter Switch.    Specification: Flow range:2~60L/min(m³/h);  Connect way:60*37*37.5mm, G3/4";  instantaneous flow pulse characteristics:F=[4.0Q]±10%, F means instantaneous pulse value(Hz),Q means instant flow(L/min);  Max. Working current:10mA;  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;  Outside nominal diameter:G1/2(mm);  Protection grade:high;  linearity:0.01(%F.S.);  Output signal:moder;  Hysteresis:0.01(%F.S.);  Crystal Structure in Materials:polycrystalline.    Features: This is a small zise product that easy to install.  Made of good quality 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