One of Hottest for Foldable Stair Climbing Trolley - Portable CH4,O2,CO,H2S multi-gas detector CD4 – Topsky

Short Description:

Applications: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). ...

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One of Hottest for Foldable Stair Climbing Trolley - Portable CH4,O2,CO,H2S multi-gas detector CD4 – Topsky Detail:

Applications:
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
Structure
CD4 adopts natural diffusion sampling method.Measured value is expressed as a percentage volume with three
effective reading which can display positive or negative value.Resolution respectively CH4 not less than 0.01% ,
oxygen 0.1% O2, H2S 1 x 10-6 and CO 1 x 10-6.It is with sound and light alarm and alarm self-check function.When
limit of methane concentrations over measurement range, measurement instrument has the function of protecting
carrier catalytic element, and are keeping the indications of the tester overrun

Technical specification:

Sensor	Catalytic combustion sensor (combustible gas);Electrochemical sensors (CO,O2,H2S)
Measurement of Gas	combustible gas (CH4), carbon monoxide (CO),oxygen (O2), hydrogen sulfide (H2S)
Range	CH4: 0~4.00%(v/v)； combustible gas 0-100%（LEL）
	O2: 0~30.0%VOL
	CO: 0~1000ppm
	H2S: 0~100ppm
Accuracy	CH4: +10% (1%LEL)
	O2: +0.7%VOL
	CO: +5%
	H2S: +5%
Resolution	CH4: 0.1%CH4 (1%LEL)
	O2: 0.1%VOL
	CO: 1ppm
	H2S: 1ppm
Alarms	Visual,audible(75 dB)
Typical battery life	≥10 hours
Explosion protection	Exibd I
Protection grade	IP54
External Dimensions/ Weight	105（L）×56（W）×28（H） mm/250g

Accessories:
Battery, Carrying case and Operate guidebook

In box CD4-1 CD4-2

Product detail pictures:

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of One of Hottest for Foldable Stair Climbing Trolley - Portable CH4,O2,CO,H2S multi-gas detector CD4 – Topsky , The product will supply to all over the world, such as: Afghanistan, Germany, Singapore, Based on our automatic production line, steady material purchase channel and quick subcontract systems have been built in mainland China to meet customer's wider and higher requirement in recent years. We are looking forward to cooperating with more clients worldwide for common development and mutual benefit!Your trust and approval are the best reward for our efforts. Keeping honest, innovative and efficient, we sincerely expect that we can be business partners to create our brilliant future!

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