Gravity H2S Hydrogen Sulfide Sensor I2C and UART

The Gravity H2S Hydrogen Sulfide Sensor from DFRobot is an advanced, factory-calibrated sensor specially designed for the detection of hydrogen sulfide (H2S) in the air. Featuring a measurement range of 0 to 100 ppm and support for analog, I2C and UART output modes, this sensor offers a versatile solution for monitoring H2S concentrations in different environments. The use of the electrochemical principle allows for high sensitivity and stability as well as excellent anti-interference capability. The sensor is equipped with built-in temperature compensation and an threshold exceedance alarm function, making it an indispensable tool for industrial applications, environmental protection, and underground surveillance tasks. Its ease of use and compatibility with popular microcontrollers like Arduino, ESP32 and Raspberry Pi simplifies integration into projects.

Features:

• High sensitivity and accuracy in H2S detection.
• Supports analog, I2C and UART output modes for flexible application.
• Long lifespan and high stability due to electrochemical measurement principle.
• Integrated temperature compensation and threshold alarm function.
• Compatible with Arduino, ESP32 and Raspberry Pi.
  

Examples of use:

• Air quality monitoring in industrial facilities.
• Detection of hydrogen sulfide in mines and underground areas.
• Use in environmental protection projects for air pollution monitoring.
• Integration into smart home systems for security monitoring.
  

Documentation:

• DFRobot Wiki

Technical Specifications:

• Manufacturer: DFRobot 
• Manufacturer SKU: SEN0467
• Detection Gas: Hydrogen Sulfide (H2S)
• Measurement Range: 0~100ppm
• 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 the air)
• Compatibility: Arduino, ESP32, Raspberry Pi
• Dimensions: 37 x 32 x 30mm
• Weight: 76.3g

Package includes:

• 1x Gravity H2S Hydrogen Sulfide Sensor I2C and UART
• 1x Gravity IIC/UART Sensor Cable