MQ-7 Carbon Monoxide Gas Sensor

Product Code: 0742
Availability: In Stock

10 or more $7.59CAD
100 or more $7.19CAD
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The MQ-7 Gas Sensor is highly sensitive to carbon monoxide. This sensor has both analog and digital output and a potentiometer for setting the trigger threshold.


  • Detection Range: 10 to 1000ppmm
  • Characteristic Gas: 100ppmm CO
  • Sensitive Resistance: 2KΩ to 20KΩ in 100ppm CO
  • Sensitivity: ≥ 3%
  • Response Time: ≤ 1s
  • Recovery Time: ≤ 30s
  • Heating Resistance: 31Ω ± 3Ω
  • Heating Current: ≤ 180mA
  • Heating Voltage: 5.0V±0.2V / 1.5±0.1V
  • Heating Power: about 350mW
  • Ambient Temperature: -20°C to +50°C
  • Humidity: ≤ 95%RH
  • Oxygen Content: 21%

Note: Mainly used for CO, gas detection in family, factory or underground operation.

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