MH-440D NDIR Infrared C3H8 Sensor

Zhengzhou Winsen Electronics Technology Stand: 4/C57

Application

Widely used for HVAC refrigeration, air monitoring indoor, industrial-process control and safety protection, agriculture and animal husbandry.

Features

  • High sensitivity, high resolution, fast response
  • 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

Specifications

Fig1.Technical Parameters

Detection GasPropane (C3H8)
WorkingVoltage3.6~5VDC (Need to be powered by safety barrier)
Average Current<85mA
Interface Level3.0V
Detection range0~2.00%vol (0-100%LEL)
OutputSignalUART(3.0V)
0.4~2.0VDC
Warm-up time3 min
Response timeT90<30s
WorkingTemperature-20°C ~ 60°C
WorkingHumidity0~95%RH(no condensation)
SizesΦ20×22.6mm
Weight35g
Lifetime>5 years
Defense GradeIP54
Power, communication terminal Intrinsic safetyUi=7.5VDC,Ii=265mA, Pi=0.5W, Ci=10 μF, Li=0mH

Fig2.Measuring Range and Resolution

Target GasMolecular FormulaMeasuringRangeResolutionNo.  of decimalNote
PropaneC3H80~2.00%VOL0.01%VOL2Temperature compensation
0~100%LEL1%LELnone

* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.

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