Analog Gas Sensor (MQ5)

The MQ5 is used in gas leakage detecting equipment in consumer and industry applications,this sensor is suitable for detecting LPG, natural gas, coal gas. Avoid the noise of alcohol, cooking fumes and cigarette smoke. The sensitivity can be adjusted by the potentiometer.

Specification

• Power supply needs: 5V
• Interface type: Analog
• Pin Definition:  1-Output  2-GND  3-VCC
• High sensitivity to LPG, natural gas, town gas
• Small sensitivity to alcohol, smoke
• Fast response
• Stable and long life
• Simple drive circuit
• Size: 40x20mm

Documents

• Wiki Doc
• MQ5 datasheet
• Schematic