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MH-440D Datasheet

Part Number MH-440D
Manufacturers Winsen
Logo Winsen
Description NDIR Infrared CH4 Sensor
Datasheet MH-440D DatasheetMH-440D Datasheet (PDF)

Zhengzhou Winsen Electronics Technology Co., Ltd. www.winsen-sensor.com MH-440D NDIR Infrared CH4 Sensor (V2.7) 1. Introduction 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 integ.

  MH-440D   MH-440D






NDIR Infrared CH4 Sensor

Zhengzhou Winsen Electronics Technology Co., Ltd. www.winsen-sensor.com MH-440D NDIR Infrared CH4 Sensor (V2.7) 1. Introduction 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. 2.Features  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 3.Applications Widely used for HVAC refrigeration, air monitoring indoor, industrial-process control and safety protection, agriculture and animal husbandry. 4.Main Parameters Fig1.Technical Parameters Detection Gas Methane(CH4) Working Voltage 3.6~5V DC Average Current <85mA Interface Level 3.0V Detection range 0~10%vol(selectable, refer fig2.) Output Signal UART 0.4~2V DC Warm-up time 3 min Response time T90<30s W.


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