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Miniature Infrared(NDIR) CH4 Sensor

Miniature Infrared(NDIR) CH4 Sensor

Description

Miniature NDIR CH4 sensor adopts NDIR technology to detect CH4 concentration in serve industrial applications. It adopts advanced non-dispersive infrared technology (NDIR), which can be integrated in safety and alarming devices, able to be used for environmental monitoring, gas drainage monitoring, chemical, petroleum, metallurgy, oil depots, liquefied gas stations, paint jobs, gas transmission and distribution and other combustible gases, storage, indoor and outdoor use and places easy to occur gas leakage.
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Features

    NDIR technology with long lifespan

    Diffusion sampling, compact size, easy handling

    High precision, less maintenance, fast response, stable performance

    Internal temperature compensation

    Corrosion prevention

    Detectivity level at 100ppm

    Ex-proof Level ExiaⅡCT4

Applications

    Mine, metallurgy, liquefied gas station, spray paint, petroleum, fuel gas transport etc

    Used in gas leakage detecting equipment in family and industry, are suitable for CH4, LNG

    Gas concentration meter

    Organic solvent like gasoline, ketone, benzene etc

    Leakage alarming detectors of combustible gases


SPECIFICATIONS

Measurement range 0-5%vol, 0-100%vol
Measurement method NDIR
Measurement range CH4: 0-5%vol (0-100%LEL),0-100%vol
Warm up 30s
Response time T90 <25s at 20℃
Working voltage 3.5-5.5v
Working current 75-80mA
Output voltage 0-4-2v/TTL
Digital signal format RS 232 data bit:8;stop bit:1; check bit: null
Baudrate 9600 bps
Working temperature -40℃to 70℃
Dimensions ¢20*19mm (except pin)
Output pin 5 pins
Lifespan ≥ 10 years
Ex-proof Level ExiaⅡCT4


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