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Liquid Sensors

Non-contact Small Diameter Pipe Liquid Level Sensor

SKU: SEN0370

This non-contact liquid level sensor has a status indicator and adjustable sensitivity, ideal for non-metal small pipes (outer diameter D≤10MM). It provides real-time status feedback and comes with a 4pin adaptor for easy connection to Arduino or other controllers. Suitable for water dispensers, small pipes, and perfusion tubes. Developed with advanced signal processing tech and a high-speed chip, it measures closed container levels without wall thickness influence and resists corrosive liquids (e.g., strong acid/alkali) and impurities.

Front of non-contact liquid level sensor with cable connector-DFRobot product sku:SEN0370 image.

Downloadable Resources

  • Docs
  • Tech Specs

    • Specification

    Parameter Value
    Power Supply 5~24V
    Output switch quantity
    Response Time 500ms
    Operating Temperature -5~105°C
    Suitable Pipe Diameter ≤10mm
    Liquid Level Error ±1.5mm
    Material ABS
    Waterproof Performance IP65

    Pinout

    SEN0370 Non-contact Liquid Level Sensor for Small Diameter Pipe Board Overview
    Num Label Description
    1(Left, Brown) VOUT Liquid Sensor Power Positive, +5V~+24V
    2(Left, Blue) GND Liquid Sensor Power Negative
    3(Left, Black) IO1 Liquid Sensor Forward/Backward output select
    4(Left, Yellow) IO2 Liquid Sensor Level Signal Output
    1(Right, Red) VIN Power Positive
    2(Right, Black) GND Power Negative
    3(Right, Blue) IO1 Liquid Sensor Forward/Backward output select
    4(Right, Green) IO2 Liquid Level Signal Output

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