Carbon Monoxide Sensor Module - MQ-7

Carbon Monoxide Sensor Module - MQ-7

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.

This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.

This sensor comes in a package similar to our MQ-3 alcohol sensor, and can be used with the breakout board below.

Specifications

  • LEDs for output and power
  • Output sensitivity adjustable
  • Analog output 0V to 5V
  • Digital output 0V or 5V
  • Concentration : 0.05 mg/L ~ 10 mg/Co
  • Operating Voltage : 5V ±0.1
  • Current Consumption : 150mA
  • Operation Temperature : -10°C ~ 70°C
  • Module Size (LxWxH):34.3x1.6x59mm
  • Weight: 11g.


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MQ7 Datasheet312.77KBDownload
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