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Water Flow Sensor

Our range of products include yf-s201 water flow sensor / fluid flowmeter control switch.

YF-S201 Water Flow Sensor / Fluid Flowmeter Control Switch

YF-S201 Water Flow Sensor / Fluid Flowmeter Control Switch
  • YF-S201 Water Flow Sensor / Fluid Flowmeter Control Switch
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Product Details:

Load Capacity10 mA (DC 5V)
Temperature-25~+80 DegreeC
Lowest rated working voltageDC4.5 5V-24V
Maximum operating current15 mA (DC: 5V)
Working voltage rangeDC 5~18V
Operating humidity range35%~90%RH (no frost)
Allowed pressure: pressure1.75Mpa
External threads1/2"

Water Flow Sensor And Fluid Flow Meter Control Switch YFS201

Water flow sensor can be used to measure the flow of liquids, i.e. the consumption of liquids in industrial or domestic usage. For example you can make a robotic cocktail dispensing machine, and can use this sensors to accurately measure components like Soda, Water, etc. Water flow sensor consists of a plastic valve body, a water rotor, and a hall-effect sensor. When water flows through the rotor, rotor rolls. Its speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse Signal.

I believe using this should be simple, you just need to connect to Arduino interrupt pin 2, and can measure the number of PWM pulse/interrupt per unit of time. The water flow would be directly proportional to the number of measured pulses.

Connection details:

  • Red wire is +5V
  • Black wire is GND
  • White wire is PWM signal output

Additional Information:

  • Item Code: YF-S201
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