DFRobot Gravity I2C Oxygen Sensor


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Approx Restocking Date: 25 to 30 Days
SKU: 1073437
  1. Detection of Gas: oxygen
  2. Operating Voltage: 3.3 to 5.5V DC
  3. Output Signal: I2C output
  4. Measurement Range: 0~25%Vol


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Brand: DF Robot
Category: Gas and Dust Sensor

The DFRobot Gravity I2C Oxygen Sensor is based on electrochemical principles and it can measure the ambient O2 concentration accurately and conveniently. With high anti-interference ability, high stability, and high sensitivity, this Arduino-compatible oxygen sensor can be widely applied to fields like portable devices, air quality monitoring devices, and industries, mines, warehouses, and other spaces where the air is not easy to circulate.

This compact dfrobot oxygen sensor supports I2C output, it can be calibrated in the air, can accurately measure the oxygen concentration in the environment. It is compatible with many mainboards like Arduino Uno, esp32, Raspberry Pi, and so on. Its effective range is 0~25%Vol, and resolution can reach to 0.15%Vol. It supports a wide range of input voltage: 3.3V to 5.5V. Moreover, the lifetime is as long as 2 years. With a simple Gravity interface and practical sample code, you can build your own oxygen concentration monitor easily and conveniently.

Connection Diagram:

Df Robot Sku1073437


  1. High sensitivity
  2. I2C Interface
  3. Compatible with both 3.3V and 5V micro-controllers
  4. Polarity protection

Useful Links:

Package Includes:

1 x Oxygen Sensor module

1 x Gravity-4pin I2C Cable

4 x M3*10 Nylon post

8 x M3*5 Screws

SKU: 1073437 Category:
Operating Voltage (V)

3.3 to 5.5

Detecting Range




Working Humidity Range


Response Time

≤15 seconds

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.03 kg
Shipping Dimensions 8 × 5 × 1 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month 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. 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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    Sorry, but no any calibration certificate is av... Read more

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Country Of Origin: China