Marke: SainSmart

[discontinued] MQ-135 Air Quality Sensor Hazardous Gas Detection Sensor

SKU: 101-60-111
Ups, 0 verfügbar.

MQ-135 module is widely used in air quality control equipments for buildings/offices, are suitable for detecting of NH3,NOx, alcohol, Benzene, smoke,CO2 ,etc

  • Wide detecting scope
  • Fast response and High sensitivity
  • Stable and long life
  • Simple drive circuit
  • The main chip: LM393, MQ135 gas sensing probe
  • Operating voltage: DC 5V

    A hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas detection, gas-sensitive element test concentration.

    Air quality sensor is for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke and CO2. Ideal for use in office or factory, simple drive and monitoring circuit.



    1. Signal output indicator instructions;
    2. Dual signal output (analog output, and TTL level 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 gases with high sensitivity;
    6. Has a long life and reliable stability;
    7. Rapid response recovery characteristics;


  • 1 x MQ-135 Air Quality Sensor Module



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