Water Flow Sensor S201 3/4" Threads, NPN Pulse Wave Signal

  • RM22.00

  • Product Code: Water Flow Sensor S201
  • Availability: In Stock

Water flow sensor consists of a plastic valve body, a water rotor, and a hall-effect sensor. When water flows through the rotor, water speed changes a different rate of flow. The hall-effect sensor outputs the corresponding pulse signal.

Suitable to detect flow in water dispenser or coffee machine.


  • External Threads Size : 3/4" inch
  • Allowing Pressure : ≤ 1.75Mpa
  • Operating Humidity Range : 35% ~ 90%RH (Frost Free)
  • Operating Temperature : ≤ 80°C
  • Temperature : -25°C ~ +80°C
  • Working Voltage : DC 5V ~ 18V
  • Load capacity : ≤ 10 mA (DC 5V)
  • Maximum operating current : 15 mA (DC 5V)
  • Output: NPN Pulse wave signal


Lead way:

  • Red IN connect the anode
  • Yellow OUT signal output line
  • Black GND connect the cathode

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Tags: Water Level, Analog