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MQ-4 Alcohol Methane Smoke Detector For Arduino Gas Sensor Module in Pakistan

₨280 ₨250

  • High sensitivity to CH4，Natural gas
  • Working voltage: 5V
  • Analog and Digital Output – Threshold for digital voltage can be set using on board pot
  • Easy to use module with all necessary electronics on board.

Description

MQ 4 sensors use a small heater inside with an elector-chemical sensor in order to measure different kind of gases combinations. They can be calibrated, but, in order to do that a know concentration of the measured gas or gasses is needed for that. For industrial purpose calibrations are done in special metro-logy laboratories with accurate probes and tests.

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