MQ-5 Gas Sensor (Natural Gas & LPG Detection)

The MQ-5 Gas Sensor is highly sensitive to LPG, propane, and natural gas. It features fast response time and adjustable sensitivity, making it suitable for domestic gas leakage alarms and industrial safety applications. Its design helps minimize false triggering from alcohol and smoke interference.
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  • All MQ sensors use SnO₂ semiconductor technology with resistance varying according to gas concentration.
  • Typical detection ranges: 10 ppm to 10,000 ppm depending on the gas type.
  • Require preheating (20–60 seconds or more) for stable readings.
  • Provide analog output + digital threshold output (via comparator board).
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