MQ8 MQ-8 Hydrogen Gas Sensor Module for Arduino Gas Sensor module

This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast response time.

Specification
? Gas sensitive material: SnO2
? conductivity increase according to flammable gas concentration.
With power and TTL signal output instruction
? With TTL output and AO analog output
? Effective signal is low level
? Analog output voltage: 0~5V
? Quick response recover.