Water Flow Sensor

SKU
RC_R1719
Rating:
80% of 100
In stock
Special Price Rs 274.94 Rs 233.00 was Rs 472.00
  • This sensor sits in line with your water line and contains a pinwheel sensor to measure how much liquid has moved through it.
  • There's an integrated magnetic hall effect sensor that outputs an electrical pulse with every revolution.
  • The hall effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry.

Water Flow Sensor

The sensor comes with three wires: red (5-24VDC power), black (ground) and yellow (Hall effect pulse output). By counting the pulses from the output of the sensor, you can easily calculate water flow. Each pulse is approximately 2.25 milliliters. Note this isn't a precision sensor, and the pulse rate does vary a bit depending on the flow rate, fluid pressure and sensor orientation. It will need careful calibration if better than 10% precision is required. However, its great for basic measurement tasks!

We have as example Arduino sketch that can be used to quickly test the sensor, it will calculate the approximate flow of water in liters/hour.

The pulse signal is a simple square wave so its quite easy to log and convert into liters per minute using the following formula.

Pulse frequency (Hz) / 7.5 = flow rate in L/min.

Connection details:

  • Red wire : +5V
  • Black wire : GND
  • Yellow wire : PWM output.

Package Includes:

  • 1 x Water Flow Sensor

Specifications

Model  YF-S201
Sensor Type Hall effect
Working Voltage 5 to 18V DC
Working Flow Rate 1 to 30 Liters/Minute
Maximum water pressure 2.0 MPa
Output rise time 0.04us
Output rise time 0.04us
Output fall time 0.18us
Pulses per Liter 450
Frequency (Hz) 7.5 * Flow rate (L/min)
Compatibility  1/2" nominal pipe connections, 0.78" outer diameter, 1/2" of thread
Dimensions  2.5" x 1.4" x 1.4"
Weight  25 grams

 

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BrandRobocraze
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