Methane Gas Sensor MQ-4 + Sensor Carrier

This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 200 ppm to 10,000 ppm, a range suitable for detecting gas leaks. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller.

Shipping list: 1 x Methane Gas Sensor, 1 x MQ Gas Sensor Carrier