Dissolved Oxygen Sensor

Dissolved Oxygen Sensor

D21A Dissolved Oxygen Sensor Module can detect the amount of oxygen in water.


Example applications of D21A Dissolved Oxygen Sensor include:

  • Fish Tank Monitoring

  • Ocean Data Collection

  • Supply Voltage DC 3V-5V
    Interface Type PH2.54MM/3-PIN
    Module Size 63.8 mm * 39.8 mm
    Sensor Size Φ19.8 mm * 90 mm
    Range 0 - 20mg/L
    Operating Temperature 0 - 40°C
    Accuracy ±0.1mg/L
    Response Time <20S
    Signal Type Analog Output
    Program Coding Control Output the amount of oxygen in water in mg/L
    Pin Config

    AO (Analog Output)

    VCC (+ 5V /3V Voltage Ping)

    GND (Power Grounding Pin)

    Circuit Protection Battery +/- Reverse , Short Circuit , Overcurrent Protection
    Application Detect the amount of oxygen in the water