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YF-B7 Water Flow Sensor with Temperature Sensor - Brass - G1/2"

YF-B7 Water Flow Sensor with Temperature Sensor - Brass - G1/2
YF-B7 Water Flow Sensor with Temperature Sensor - Brass - G1/2
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YF-B7 Water Flow Sensor with Temperature Sensor - Brass - G1/2
YF-B7 Water Flow Sensor with Temperature Sensor - Brass - G1/2
YF-B7 Water Flow Sensor with Temperature Sensor - Brass - G1/2"
  • Availabilty: Directly available
  • Model: YF-B7
  • SKU: 003500
€7.00
Ex Tax: €5.79

With these sensors you can easily measure the flow and temperature of liquids (water).

The output of the sensor gives 11 pulses per second with a duty cycle of approximately 50% for every liter of liquid that passes through it per minute: Q [L/min] = fpulse[Hz ]/11.

Specifications:

  • Water flow sensor:
    • Supply voltage: 5-18V DC
    • Signal voltage: 4.7V (with 5V DC power supply)
    • Connector: JST-SM 3p female
    • Pulse frequency per L/min: 11Hz*
    • Duty cycle pulse: 50% ±10%
    • Measuring range: 1-25L/min
    • Accuracy: ±3%*
  • Temperature sensor:
    • Type: NTC
    • Resistance: 50KΩ
    • Connector: JST-SM 2p female
    • Thread: M8
  • Water connection: G1/2"
  • Maximum water pressure: 17.5bar
  • Working temperature: 1-100°C
  • Suitable liquids: Water**
  • Material: Brass
  • Dimensions: See images

Pinout (water flow sensor):

  • Red: Vcc/plus (supply voltage)
  • Black: GND/min
  • Yellow: Signal

Package contents:

  • 1x YF-B7 Water Flow Sensor
  • 1x NTC 50K Temperature Sensor

See the following page for a tutorial with a similar water flow sensor: How to Use Water Flow Sensor - Arduino Tutorial

Modify the following piece of code around line 17:

float calibrationFactor = 4.5;

To:

float calibrationFactor = 11;

*Note: This is a factory specification under specific circumstances. Should the sensor be used in a situation where accuracy is required, it is recommended to calibrate the sensor in that specific setup.

**Note: We cannot give any warranty if this product is used with any liquid other than clean drinking water.

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

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