3. Construction of the various devices
Gas detectors are classified into three main types: fixed detectors, transportable detectors and portable detectors. They can be designed to detect a single type of gas (a single-function device such as an explosimeter, for example), or several types of gas (a multi-function device such as a portable multi-gas detector, where several gases may be detected: for example a flammable gas (CH 4 or another gas), oxygen(O 2 ), carbon monoxide (CO) and hydrogen sulfide (H 2 S).
They operate by diffusion or can be fitted with a pump, which brings the gas to be detected inside the device. The detection head is either integrated into the device, or remote from the electronics, the latter also comprising a part in the remote head, and a part...
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Construction of the various devices
Characteristics and influencing factors
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Bibliography
- (1) - DRÄGER - Livre de poche Tubes Réactifs Dräger & MicroTubes - (2022). PDF disponible en ligne https://www.draeger.com/Content/Documents/Products/tubes-hb-9092086-fr.pdf ...
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