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YF-2103 Water Flow Sensor - 0.2-0.6L

YF-2103 Water Flow Sensor - 0.2-0.6L
YF-2103 Water Flow Sensor - 0.2-0.6L
YF-2103 Water Flow Sensor - 0.2-0.6L
YF-2103 Water Flow Sensor - 0.2-0.6L
YF-2103 Water Flow Sensor - 0.2-0.6L
  • Availabilty: Directly available from warehouse in Eindhoven
  • SKU: 005043
Ex Tax: €3.31

With this sensor you can easily measure the flow of liquids (water). The water connections are suitable for a 6mm hose: Hose 6mm


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

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

Modify the following part of code around line 17:

float calibrationFactor = 4.5;


float calibrationFactor = 17.3;

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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Brand No brand
Manufacturer model/SKU YF-2103
Maximum operating temperature [°C] 60
Features Flow sensor
General physical appearance
Main color White
Weight [g] 30
Dimension X [mm] 48
(excluding water couplings)
Dimension Y [mm] 43
Dimension Z [mm] 23
Form factor Module (general)
General electrical properties
Minimum supply voltage [V DC] 3.5
Maximum supply voltage [V DC] 24
IO-pin output voltage [V] Equal to supply voltage
Hardware interface(s) Digital
(pulses with ~50% duty cycle)
Flow sensor
Minimum measuring range [L/min] 0.2
Maximum measuring range [L/min] 6.0
Accuracy [%] 1
Pulse frequency per L/min [Hz] 17.3
Number of pulses per L 1038
Fluid connector
Coupling type(s) Ø6.0mm external clamp
Flow orientation U-shape
Flow direction Unidirectional
Material POM
Suitable liquids/gasses Clean water
Maximum pressure [bar] 8
Power supply connector(s) JST-XH (compatible) female
IO-connector(s) JST-XH (compatible) female
Wire/cable length [m] 0.2
Package contents
Package contents 1x Water Flow Sensor

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