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    Gas Sensor, Methane(CH4)/Hydrogen(H2)/Carbon Monoxide(CO)/TVOC

    The gas sensor is based on the MEMS principle and comes with low power consumption, high sensitivity and simple drive circuit. Factory price gas leak sensor is designed to measure Hydrogen H2 (30~3000ppm), Methane CH4 (1 %LEL~25%LEL ), Carbon Monoxide CO (50~1000ppm) and TVOC (50~5000ppm) concentration.
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    Delivery date: 6-12 days

    Buy a gas sensor to measure H2 (30~3000ppm), CH4 (1%LEL~25%LEL ), CO (50~1000ppm) and TVOC (50~5000ppm) concentration. Low power consumption, high sensitivity, low cost, and Simple drive circuit, can be used for leak detection of Hydrogen, Methane, Carbon Monoxide and TVOC.


    Model ATO-AGS2620 ATO-AGS2616 ATO-AGS3870 ATO-AGS3871
    Measuring Gas TVOC Hydrogen (H2) Methane (CH4) Carbon Monoxide (CO)
    Measuring Range 50~5000ppm 30~3000ppm 1%LEL~25%LEL 50~1000ppm
    Typical Accuracy (25℃/50%RH) ±(50ppm+40%RD) ±(50ppm+40%RD) ±(1%LEL+40%RD) ±(50ppm+40%RD)
    Response Characteristics When the gas concentration is 1000ppm, the response time does not exceed 30s. When the gas concentration is 3000ppm, the response time does not exceed 30s. When the gas concentration is 25%LEL, the response time does not exceed 30s. When the gas concentration is 1000ppm, the response time does not exceed 30s.
    Operating Voltage 4.75~5.25V DC
    Working Current 24±4mA 26±2mA 24±4mA
    Sampling Period ≥2s
    Output Interface I2C
    Preheat Time ≥120s
    Operating Temperature -25~60℃
    Working Humidity 20~95%RH (No Condensation)
    Encapsulation 12x12x13.5mm  12x12x16.5mm
    Weight About 2g
    Life More Than 10 Years (25℃, in Clean Air)

    Dimension (Unit: mm)

    Gas sensor dimensions


    Gas sensor applications

    Tips: What can a gas sensor do?

    A gas sensor is a device designed to detect and measure the presence and concentration of gases in the environment. These sensors are used extensively in various applications such as monitoring air quality, ensuring workplace safety, and detecting hazardous gas leaks.

    Gas sensors work by detecting specific gases like carbon monoxide (CO), methane (CH4), hydrogen sulfide (H2S), and others. They provide real-time data on gas concentrations, allowing for timely responses to potential dangers. In industrial settings, gas sensors are crucial for maintaining safe working conditions by triggering alarms or shutting down processes when gas levels exceed safe limits.

    In addition to industrial use, gas sensors are employed in environmental monitoring to detect pollutants emitted from vehicles, factories, and other sources. They also find applications in healthcare for monitoring patient breath and in homes for detecting gas leaks from appliances like stoves and water heaters.

    Overall, gas sensors contribute significantly to safety, environmental protection, and quality of life by providing early warnings and enabling prompt actions in response to gas-related hazards or issues.

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