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MQ135 Air Quality Sensor Hazardous gas Detector

 375

  • The main chip: LM393, MQ135 gas sensing probe
  • Operating voltage: DC 5V
  • 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 other harmful gases with high sensitivity
  • Has a long life and reliable stability
  • Rapid response recovery characteristics
  • gas-sensitive element test concentration range: 10 to 1000ppm

MQ135 Air Quality Sensor Hazardous gas Detector

  • The main chip: LM393, MQ135 gas sensing probe
  • Operating voltage: DC 5V
  • 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 other harmful gases with high sensitivity
  • Has a long life and reliable stability
  • Rapid response recovery characteristics
  • gas-sensitive element test concentration range: 10 to 1000ppm

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