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Product synopsis:

  • Features:
  • Size: 32X20X22mm/1.25*0.78*0.86”
  • The main chip: MQ135 gas sensing probe
  • Operating voltage: DC 5V
  • Power (current) : 150mA
  • DO Output: 0.1V/5V
  • AO Output: 0.1-0.3V
  • Signal output indicator instructions
  • Dual signal output (analog output, and TTL level output)
  • TTL output valid signal is low; (output low signal light, which can be accessed microcontroller IO port)
  • Analog output with increasing concentration, the higher the concentration, the higher the voltage
  • Sulfide, benzene Department of steam, smoke and other harmful gases with high sensitivity
  • Has a long life and reliable stability
  • Rapid response recovery characteristics
  • Applications:
  • 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 range: 10 to 1000pp


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MQ-135 Air Quality Gas Sensor Module
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