Zhengzhou Winsen Electronics Technology Co., Ltd.
MH-440D NDIR Infrared CH4 Sensor (V2.7)
MH-440D infrared gas sensor is a miniature universal intelligent sensor, which
adopts NDIR theory to detect concentration of CH4 in air and has good
selectivity, stable performance, long life, also is independent of Oxygen. The
inside temperature sensor could be used for temperature compensation. This
miniature infrared gas sensor is developed by the tight integration of mature
infrared absorbing gas detection technology, micro machine workout and
superior circuit design.
It is convenient in use and also instead of catalytic component directly, widely
used in various occasions with flammable and explosion hazard gas.
High sensitivity, high resolution, low power consumption
Output method: UART, analog voltage signal
Temperature compensation, excellent linear output
Excellent stability, Long lifespan
Anti-poisons, anti-vapor interference
Can replace catalytic type gas sensor directly
Widely used for HVAC refrigeration, air monitoring indoor, industrial-process control and safety protection,
agriculture and animal husbandry.
0~10%vol(selectable, refer fig2.)
-20°C ~ 60°C
Fig2.Measuring Range and Resolution
Measuring Resolution Note
0.05%VOL Temperature compensation
Tel: 86-371-67169097 Fax: 86-371-60932988