• HiLetgo MQ135 MQ-135 Air Quality Sensor Hazardous Gas Detection Sensor Module For Arduino Environmental Measurement

  • MQ-135 sensor introduction:
    The gas sensitive material used with the MQ135 gas sensor is tin dioxide (SnO2), which has a lower conductivity in clean air. When contaminated gas is present in the environment
    where the sensor is located, the conductivity of the sensor increases as the concentration of contaminated gas in the air increases. A simple circuit converts the change in conductivity into an output signal that corresponds to the gas concentration.
    The MQ135 sensor is highly sensitive to ammonia, sulphides and benzene vapors and is also ideal for smoke and other harmful monitoring. This sensor can detect a variety of harmful gases, is a low-cost sensor for a variety of applications.

    Module application:
    It is suitable for the detection of harmful gases such as ammonia, aromatics, sulfides, benzene vapor, smoke and other harmful gas detection devices, ...read more
  • Manufacturer: HiLetgo
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