MQ7 - Carbon Monoxide Gas Sensor Module

Sold By: HatchnHackSKU: 9K04

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Description

MQ-7 is used for sensing CO concentrations in the air. The MQ-7 can detect CO levels ranging from 10 to 500 parts per million. This sensor has high sensitivity and a fast response time. The output of the sensor is an analog resistance. The sensor works in temperatures ranging from -10 to 50°C and consumes less than 150 mA at 5 V. Both digital and analog outputs are available on this module. The threshold level for digital output can be easily adjusted using the preset on the board. The MQ-7 sensor module can be easily interfaced with microcontrollers, Arduino, etc. The sensor could detect different gases containing CO; it is a low-cost module suitable for various applications. When the module is powered with 5V, the power LED should glow, and when no gas is detected, the output LED will remain off, indicating that the digital output pin will be 0V. With the help of a potentiometer, we can easily adjust the sensitivity of MQ-2.

Features: 

  • High sensitivity to carbon monoxide
  • Fast response and recovery
  • Adjustable sensitivity
  • Stable, long life and low cost
  • Both digital and analog output
  • Output voltage boosts along with the concentration of the CO gases increases.
  • AO for analog output, DO for digital output, GND for ground, VCC for 5V voltage input.
Specifications
Dimensions 38.1mm*20.3mm*15.7mm
Input voltage 5V DC
Range 10-1000ppm
Current 150mA
Temperature -10°C to +50 ° C

 

Further Info

MQ-7 is a sensor that detects CO levels in the air. CO levels ranging from 10 to 500 parts per million can be detected with the MQ-7. The sensitivity of this sensor is excellent, and the response time is quick. The sensor's output is an analog resistance. The sensor may be used in temperatures ranging from -10 to 50°C and uses less than 150 milliamps at 5 volts. Read More

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