The MQ2 gas sensor is a metal oxide semiconductor (MOS) sensor designed to detect a variety of combustible gases, including smoke, liquefied petroleum gas (LPG), propane, methane, and hydrogen. It’s commonly used in smoke alarms, gas leak detectors, and other applications requiring gas concentration monitoring. The sensor’s resistance changes when exposed to these gases, providing an analog output that can be used to determine gas concentration.
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Operating Voltage: +5V
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Preheat Duration: 20 s
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Analog Output Voltage: 0 to 5 V
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Dimension: 36x20x21 mm
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