MQ 4 METHANE CNG GAS SENSOR MODULE Features

• It detects the concentration of methane gas in the air
• ouputs its reading as an analog voltage.
• Input voltage : 5 v .
• Input current : 150 mA .
• Concentration sensing range of 300 ppm to 10,000 ppm .
• Is suitable for leak detection ,the sensor could detect if someone left a gas stove                                                                                                            on but not lit.
• Temperature Range -10 to 50°C.