The MQ-5 is used in gas leakage detecting equipment in consumer and industry applications, this sensor has high sensitivity in detecting LPG compared to MQ 2, It can also be used to detect natural gas, coal gas, avoid the noise of alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer at the back of this sensor module.

Technical 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

Features:

• High sensitivity to LPG, natural gas , town gas
• Small sensitivity to alcohol, smoke.
• Fast response
• Stable and long life
• Simple drive circuit

Pin Description:

Applications

• Gas leakage detector
• Toys
• Liquefied petroleum gas, natural gas, coal gas monitoring device suitable for home or industrial.
• Excellent resistance to alcohol, smoke interference ability