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MQ-135 Air quality and hazardous gas detection sensor alarm module.

1. Size: 32mm X22mm X30mm length * width * height

2. The main chip: LM393, MQ135 gas sensing probe

3. Operating voltage: DC 5V

MQ-135 Air quality and hazardous gas detection sensor

SKU: NVM-SD250088
  • Features:

    1. Signal output indicator instructions;

    2. Dual signal output

    3. TTL output valid signal is low; (Output low signal light, which can be accessed microcontroller IO port)

    4. Analog output with increasing concentration, the higher the concentration, the higher the voltage;

    5. Sulfide, benzene Department of steam, smoke and other harmful gasses with high sensitivity;

    6. Has a long life and reliable stability;

    7. Rapid response recovery characteristics;

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