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1/2‘‘ 3/4‘‘ Water Flow Sensor with Temperature Detection Probe Brass Water Heater Flowmeter DC3.5~24V NPN Hall Flow Sensor: Specification:

Interface size: 1/2"(DN15), 3/4"(DN20)

Working voltage range: DC3.5～24V

Material: Brass Medium temperature: ≤120℃

Output pulse high level: >DC 4.5V (input voltage DC 5V).

Output pulse low level: ＞100MΩ

Flow range: 1/2inch: 1~25 L/min,
3/4inch: 1~40 L/min

Flow pulse characteristics: 1/2" F=(11*Q)±3%;
3/4" F=(6.6*Q)±3%; Q = L/Min

Tightness: Close each hole, add 1.7Mpa water pressure test for 1 minute without leakage and deformation.