MH-740A sensor is a common intelligent sensor in small
sized to detect CH4 in air taking advantages of non-dispersive
infrared principle. It has the advantages of good selectivity,
oxygen independence, stable performance and long life.
MH-740A is an infrared gas sensor in small sized combining
mature technology for infrared absorption detection and
micro-machining, superior circuit design closely. The sensor can
be widely used in detection for fire disaster, explosive gases.