Gravity H2 Hydrogen Sensor I2C and UART

The Gravity H2 Hydrogen Sensor from DFRobot is a highly developed, factory-calibrated sensor designed for the precise measurement of hydrogen concentrations in the air. With an impressive measurement range of 0 to 1000 ppm and support for analog, I2C, and UART output modes, this sensor provides a comprehensive solution for a variety of applications, from industrial monitoring to environmental protection projects. The use of the electrochemical principle allows for high sensitivity and accuracy while providing strong resistance to interference. The sensor is characterized by a long lifespan of more than two years and is compatible with common microcontrollers such as Arduino, ESP32, and Raspberry Pi, facilitating easy integration into projects.

Features:

• High accuracy and sensitivity in hydrogen detection.
• Supports analog, I2C, and UART output modes.
• Robust construction with a lifespan of over two years.
• Strong anti-interference ability through electrochemical measurement principle.
• Compatible with Arduino, ESP32, and Raspberry Pi.

Application examples:

• Monitoring of hydrogen concentrations in industrial facilities.
• Use in research and development for fuel cell technologies.
• Environmental monitoring for the detection of hydrogen leaks.
• Integration into security systems for early detection of explosive gases.

Documentation:

• DFRobot Wiki

Technical specifications:

• Manufacturer: DFRobot 
• Manufacturer SKU: SEN0473
• Detection gas: Hydrogen (H2)
• Measurement range: 0~1000ppm
• Operating Voltage: 3.3~5.5V DC
• Operating current: ＜5mA
• Output signal: I2C, UART (0~3V), analog voltage
• Operating temperature: -20~50℃
• Operation humidity: 15~90%RH (non-condensing)
• Life expectancy: >2 years (in the air)
• Compatibility: Arduino, ESP32, Raspberry Pi
• Dimensions: 37 x 32 x 30mm
• Weight: 79.8g

Delivery includes:

• 1x Gravity H2 Hydrogen Sensor I2C and UART
• 1x Gravity IIC/UART Sensor Cable