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MQ-4 Methane and smoke gas detector sensor module


  1. Operating voltage : 3V to 5V
  2. Wide detecting scope
  3. Fast response and High sensitivity
  4. Stable and long life
  5. Detect/Measure : Methane, Natural gases, etc.

Available in Pack Of:

SKU: 6830GV

MRP Rs. 127.71
Rs. 99.00 (Incl. Tax)
Rs. 83.9 (+18% GST extra)
Rs. 83.9 / pack of 1 = Rs. 83.90 per piece
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MQ4 - Methane and smoke gas detector sensor module

Using an MQ4 sensor and detecting the gas is quite easy. You can either use the digital pin or the analog pin to accomplish this. Simply power the module with 5V and you should notice the power LED on the module glow and when no gas is detected the output LED will remain turned off meaning the digital output pin will be 0V.


  • Good sensitivity to Combustible gas in a wide range
  • High sensitivity to CH4, Natural gas.
  • Fast response Stable and long life
  • Simple drive circuit


  • Used in gas leakage detecting equipment for homes and industry.
  • It is suitable for detecting CH4 and CNG.
  • Industrial Combustible gas detector
  • Portable gas detectors

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Based on 3 reviews

very good product

Abhishek - Sep 24, 2023
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