Water Flow Sensor (Sea) YFDN50 Flowmeter G2 10- 200L/min 3.5-12V


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Approx Restocking Date: 25 to 30 Days
SKU: 1031150
  1. Easy to install.
  2. Flow range:10-200L/min
  3. Sensor: Hall effect
  4. Maximum current:15 mA(DC 5V)
  5. Working voltage range: DC 3.5-12 V
  6. Load capacity:¡Ü10 mA(DC 5V)


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15 Days Warranty
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Brand: Generic
Category: Water TDS, pH, Flow, Level and Pressure Sensor

YFDN-50 Water Flow Sensor is Waterproof, Heat resistance, pressure resistance, cold resistance through the rotor, rotor rolls. Its speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse signal.  With stainless steel axis in the wheel, abrasion-resistant; Sealing ring design to prevent water leaks; Compliant with RoHS standard Mainly used for water heater, water machine, card machine, various types of filling equipment and water control device.
Installation direction: Vertical (inclination should not exceed 5 degrees.

Note: Product image may vary from the actual product.


  1. Waterproof, Heat resistance, pressure resistance, cold resistance.
  2. Easy to install.
  3. Allow compression: Water pressure 1.75 Mpa below
  4. Working voltage range: DC 3.5-12 V
  5. Output Waveform: Square Wave, output pulse signal.
  6. Sensor: Hall effect

Package Includes:

1 x YFDN50 Flowmeter

Flow Range



Hall effect

Maximum Current (mA)

15 mA(DC 5V)

Working Voltage

DC 3.5-12 V

Load capacity

10 mA(DC 5V)

Operating Temperature (°C)

up to 80°C

Operating humidity


Allow Compression

Water pressure 1.75 Mpa below

Insulation Resistance (MΩ)

>100M Ohm

Storage Temperature


Storage Humidity


Output Waveform

Square Wave, output pulse signal

Cable length (mm)


Size (mm):


Shipping Weight 0.048 kg
Shipping Dimensions 16 × 11 × 4 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Questions and answers of the customers

    what are the inlet and outlet thread dimensions? ... Read more
  1. 0 votes
    Q what are the inlet and outlet thread dimensions? is it 2 inches? answer now
    Asked by quentin.desouza on October 14, 2022 6:14 pm

    Yes, The inlet and outlet thread have diameter... Read more

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Country Of Origin: China