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MQ-7 Gas Sensor Module

In stock
Special Price Rs 145.00 Rs 122.88 was Rs 236.00
  • The analog output voltage, the higher the concentration the higher the voltage.
  • The carbon monoxide detection with better sensitivity.
  • With a long service life and reliable stability.
  • Rapid response and recovery characteristics.

MQ-7 Gas Sensor Module

MQ-7 CO Carbon Monoxide Coal Gas Sensor Module detects the concentrations of CO in the air and outputs its reading as an analog voltage. The sensor can measure concentrations of 10 to 10,000 ppm. The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V.

This module provides both digital and analog outputs. 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 Micro-controllers, Arduino and etc.

Standard Test Conditions of MQ7 Gas Sensor

  • Temperature: 20°C ± 2°C
  • Humidity: 65% ± 5% RH
  • Standard Test Circuit: Vc: 5.0V ± 0.1V; Vh(high):5.0V±0.1V
  • Vh(low): 1.5V±0.1V 

Package Includes:

  • 1 x MQ7 Carbon Monoxide Gas Sensor

Gas Sensor Specifications

Model  MQ7
Gas Sensibility  Carbon Monoxide
Operating voltage 5V (DC)
Range 10 ~ 1000 ppm
Return time ≤ 30 sec
Heating resistance ± 31 Ω
Sensitivity ≥ 3%.
Charachteristic Gas  100 ppm CO
Dimension  3.5 x 2 x 1.1cms 
Weight  5 grams
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What is MQ7 gas sensor?

The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for sensing CO concentrations in the air. It can detect CO-gas concentrations anywhere from 20 to 2000ppm. 





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