ITEM NAME:1Pcs G1/2 Water Flow Sensor Dn15 F=10Q 1-30L/Min Hall Flow Meter Copper Wat S2K7 1Pcs G1/2 Water Flow Sensor Dn15 F=10Q 1-30L/Min Hall Flow Meter Copper Wat S2K7 Coupling Type: Male BSPP Thread DIY Supplies: Plumbing Measurement Range: 1-30L/min Water flow meter is mainly composed of copper body, water flow rotor components and Hall components. Type:4 points inside and outside teeth,G1/2,A font structure Water less than or equal to 60 Celsius Minimum start flow:1.25L/min Water pressure resistance:1.75MPa Voltage:DC3-18V Current:less than or equal to 10mA Rated voltage:DC5V Insulation resistance:more than the 100MΩ Electrical strength:High level more than the 4.5V,Low level Less than 0.5V Pulse duty cycle:50% F=10Q(F:Hz,Q:L/min,+/-10%) Weight:157g Wiring:Red:Positive Black:Negative Yellow:Pulse signal Use:Washing machine, boiler, electromagnetic water heater, gas water heater, water dispenser, Water purifier, RO machine, UF machine, coffee machine, hot water card machine, Water control machine, beer machine, electrolysis water machine , water dispenser, Circulation system, smart toilet (toilet), clean body, machinery and equipment, Heating equipment, instrumentation, pharmaceutical (economic) equipment. colour:Black + gold Material:copper size:65*38*38mm Package Contents: 1*Water flow sensor