The Gravity O2 Oxygen Sensor from DFRobot is a precisely calibrated sensor specifically designed for measuring the oxygen concentration in the air. With a measurement range of 0 to 25% Vol and a resolution of 0.1% Vol, this sensor is ideal for a variety of applications, from environmental monitoring to industrial processes. It supports analog, I2C, and UART output modes, allowing for flexible integration into existing systems. The electrochemical measurement method ensures high stability and sensitivity while being less susceptible to interference. Thanks to its user-friendly operation and compatibility with common microcontrollers such as Arduino, ESP32, and Raspberry Pi, the sensor can be quickly integrated into projects. The sensor has a lifespan of over two years, enabling long-term use without frequent replacements.

Features:

• High measurement accuracy and stability.
• Supports analog, I2C, and UART output modes.
• Easy integration thanks to the Gravity interface.
• Long lifespan of over two years.
• Compatible with Arduino, ESP32, and Raspberry Pi.

Application examples:

• Monitoring air quality indoors and outdoors.
• Controlling ventilation systems in buildings.
• Monitoring in greenhouses to optimize plant growth.
• Use in portable devices for health monitoring.

Technical specifications:

• Manufacturer: DFRobot
• Manufacturer SKU: SEN0465
• Detection gas: Oxygen (O2)
• Measurement range: 0~25% Vol
• Resolution: 0.1% Vol
• Operating voltage: 3.3～5.5V DC
• Operating current: <5mA
• Output signal: I2C, UART (0~3V), analog voltage
• Operating temperature: -20～50℃
• Operating humidity: 15～90% RH (non-condensing)
• Lifespan: >2 years (in air)
• Compatibility: Arduino, ESP32, Raspberry Pi
• Dimensions: 37 x 32 x 30 mm
• Weight: 91.7 g

Delivery includes:

• 1x Gravity O2 Oxygen Sensor 0-25% Vol I2C and UART
• 1x Gravity IIC/UART Sensor Cable.