1PCS 4-pipe Hall flow sensor 4-pipe Hall sensor water heater flow sensor S201B
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Air Flow Meters
1PCS 4-pipe Hall flow sensor 4-pipe Hall sensor water heater flow sensor S201B
Connection method: thread
Item number: YF-S201B water flow meter
Installation method: horizontal installation
Flow range: 1-30L/min
Applicable media: water
Wiring method:
Red IN is connected to the positive pole
Yellow OUT signal output line
Black GND connected to negative pole