MQ 9 Gas Sensor

MQ 9 Gas Sensor

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CO Carbon Monoxide methane liquefied Gas Sensor

Gas sensor MQ9 detects the presence of CO (Carbon Monoxide), CH4 (Methane) and LPG in the air. The best results are given while compounds are in liquid form, however, it still does an amazing job when measuring in gas form. It needs a bit of time to warm up in order to work correctly.


• Detects: CO(Carbon Monoxide), CH4(Methane), LPG
• Dimensions: 32mm x 22mm x 27mm
• Voltage: 5V
• Digital(HIGH/LOW) and analog(0V-5V) output
• With LM393 comparator
• Comes with soldered 4-pin male header

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