MQ-7 High Sensitivity CO Carbon Monoxide Detector Sensor

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MQ-7 gas sensor has high sensitity to Carbon Monoxide. The sensor could be used to detect different gases contains CO, it is with low cost and suitable for different application.MQ7


  • High sensitivity to Combustible gas in wide range
  • High sensitivity to Natural gas
  • Fast response
  • Wide detection range
  • Stable performance, long life, low cost
  • Simple drive circuit



  • Signal output indicator;
  • Dual Signals output (analog output and TTL output);
  • TTL output signal is low level, allows to connect with SCM directly;
  • Analog output 0~5V voltage;
  • High sensitivity;
  • Long working lifetime and stable performance;
  • Quick response and recovery
  • Chipset: LM393 + MQ-7 sensor
  • Working voltage: DC 3~5V
  • Detecting range: 10~1000ppm  Buy Now



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