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2-4 Weeks YF-S401 Water Flow Sensor

YF-S401 Water Flow Sensor

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Model: YF-S401
SKU: 001795
Availability: 2-4 Weeks
... Piece(s) Sold
€4.00 Ex Tax: €3.31
From 10 pieces the price is €3.80
From 20 pieces the price is €3.60
From 50 pieces the price is €3.40
From 100 pieces the price is €3.20
Stock Indication:
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With this sensor you can easily measure the flow of liquids (water).

The sensor has a 7mm coupling on both sides and is therefore easy to connect to a 6mm hose.

The output of the sensor gives 98 pulses per second with a duty cycle of approximately 50% for each liter of fluid passing through per minute: Q [L/min] = fpulse [Hz]/98.

Specifications:

  • Voltage range: 5-24V
  • Pulse frequency per L/min: 98Hz
  • Measuring range: 0.3-6L/min (with an accuracy of +-10%)
  • Maximum water pressure: 0.8MPa
  • Working temperature: -25-80oC
  • Duty cycle pulse: 50% +-10%
  • Voltage pulse (with 5V as input voltage): 4.7V
  • Dimensions: See images

Pinout:

  • Red: Vcc/plus (5-24V)
  • Black: GND/min
  • Yellow: Signal

Example with a similar sensor. Adjust the next piece of code on line 17:

float calibrationFactor = 4.5;

To:

float calibrationFactor = 98;  

Note: The liquid can only run in one direction, this is indicated by an arrow!

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