This is a 3.3/5V compatible MEMS gas concentration sensor from DFRobot.
This sensor supports the detection of various gas concentrations like CO, C2H5OH (Alcohol), H2, NO2, NH3, and integrates various gas concentration conversion formulas in the code to facilitate the testing and use of sensors.
With I2C output and 3.3~5.5V wide voltage input, it is compatible with Arduino, ESP32, Raspberry Pi and other mainstream controllers.
FEATURESSupport detection of a variety of harmful gasIntegrate the calculation formulas of various gas concentrationLow power consumptionI2C digital outputCompatible with the 3.3~5.5V master controller
APPLICATIONSGas leak detectionGas safety equipmentAir environment detection
SPECIFICATIONDetection of Physical Quantities: gas concentration of CO，C2H5OH(Alcohol), H2, NO2, NH3, CH4Operating Voltage: 3.3～5.5V DCPower Dissipation: 0.45W(5V)Output Signal: I2C (0~3V)Measuring Range:
1 – 1000ppm (Carbon monoxide CO)
0.05 – 10ppm (Nitrogen dioxide NO2)
10 – 500ppm (Ethanol C2H5OH)
1 – 1000ppm (Hydrogen H2)
1 – 500ppm (Ammonia NH3)
>1000ppm (Methane CH4)Working Temperature: -30～85℃Working Humidity: 5～95% RH(No condensation)Storage Temperature: -40~85℃Lifespan: >2 years (in the air)Circuit Board Size: 27mm* 37mmMounting Hole Size: inner diameter 3.1mm/ outer diameter 6mm
SHIPPING LISTGravity: MEMS CO, Alcohol, NO2 & NH3 Gas Sensor x1Gravity-4pin I2C Cable x1