MQ-4 Methane CNG Gas Sensor Module

This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from 200 to 10000 ppm.

Specification:

• Product Name: Gas Sensor Module
• Model: MQ-4
• Type: Analog
• Detecting Type: CH4, Methane
• Small sensitivity to alcohol, smoke
• Rated Voltage: DC 5V
• Detecting Range: 200-10000ppm
• Pin Quantity: 4
• Pin Definition : AO - Analog Output, DO - Digital Output, GND - Ground, VCC - Voltage To Current Converter