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CD4 Portable multi-gas detector

电竞显示器 www.iraaz.icu ManufacturerTOPSKY



CertificateCoal mine safety certificate,

Tel010-51652021 13301315965

Last time2015-11-09 16:58:00


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    • Manufacturer:TOPSKY
    • Model: CD4
    • PN: 4809000
    • Agent:
    • Certificate: Coal mine safety certificate,


CD4 portable Multi-gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases. It can simultaneously monitors up to four atmospheric hazards including carbon monoxide (CO), oxygen (O2), combustible gas (%LEL), and hydrogen sulphide(H2S). Compact and lightweight, CD4 portable Multi-gas detector activates audible, visual and vibrating alarms in the event of a low or high alarm condition.

CD4 portable Multi-gas detector is unparalleled in its versatility, capability and overall value. Water-resistant line of portable gas detectors has transformed the market with its matchless array of features.

It is used at the underground coal mine and mine safety inspection mainly. Certainly, it is also applied to fire fighting, confined space, chemical industry, oil and all kinds of environment that needed to measure the hazardous and toxic gases


Technical specification:


 Catalytic combustion sensor (combustible gas);Electrochemical sensors (CO,O2,H2S)

Measurement of Gas

combustible gas (CH4), carbon monoxide (CO),oxygen (O2), hydrogen sulfide (H2S)


CH4: 0~4.00%(v/v);                                               combustible gas 0-100%LEL

O2: 0~30.0%VOL

CO: 0~1000ppm

H2S: 0~100ppm


CH4: +10%   (1%LEL)

O2: +0.7%VOL

CO: +5%

H2S: +5%


CH4: 0.1%CH (1%LEL)

O2: 0.1%VOL

CO: 1ppm

H2S: 1ppm


Visual,audible(75 dB)

Typical battery life

10 hours

Explosion protection

Exibd I

Protection grade


External Dimensions/ Weight

105L×56W×28H mm/250g



Battery, Carrying case and Operate guidebook

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