MQ9 (CO) Carbon Monoxide Combustible Gas Sensor

SKU: 180850


¥ 22.00

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    • Size: 32mm X22mm X24mm

    • The main chip: LM393, MQ-9 gas sensor

    • Work voltage: DC3-5V

    • With the signal output instructions;

    • Dual output (analog output, and TTL level output);

    • TTL output valid signal is low, the microcontroller can be connected directly;

    • 0 ~ 5V analog output voltage, the higher the voltage the higher the concentration;

    • Detect carbon monoxide, combustible gas has a good sensitivity

    • With a long life and reliable stability;

    • Fast response characteristics;


    • For home or factory gas leak monitoring devices, suitable for carbon monoxide, combustible gas monitoring device, can test carbon monoxide, combustible gas 10 to 1000ppm CO, 100 to 10000ppm range