3 MQ-7 gas sensor has high sensitity to Carbon Monoxide. The sensor could be used to detect different gases contains CO, it is with low cost and suitable for different application.

Sensitive material of MQ-7 gas sensor is SnO2, which with lower conductivity in clean air. It make detection by method of cycle high and low temperature, and detect CO

Features:

Good sensitivity to Combustible gas in wide range

High sensitivity to Natural gas

Long life and low cost

Simple drive circuit

Domestic gas leakage detector

1. One piece MQ 7 gas sensor