Toxic and combustible gas sensors for safety applications: Pros and cons of current technology
Monitoring of gases for toxicity and combustibility for safety applications is complex in detail because of the multitude of gases and ranges, their individual characteristics, and background interference from other gases. Toxic gases typically need to be measured in the low parts per million (ppm) range while combustible gases need to be measured in the percent by volume or percent lower explosive limit (%LEL) ranges. Furthermore, while some gases are inert, many are active or reactive, and mixing of two gases often produces several byproducts which may react with the sensor. This wide gambit of variation in applications lends itself to a variety of detection methods, each with certain advantages and disadvantages. Specifically, the choice of the best sensor for a specific application often depends on the details of the application itself. There is no perfect instrument for any application. The choice of any instrument is a compromise for what is best suited for the application. Toxic gases of interest include: CO{sub 2}, H{sub 2}S, VOCs, hydrocarbons, CO, organic chlorine compounds, and O{sub 3}.
- OSTI ID:
- 452001
- Report Number(s):
- CONF-9611118-; TRN: IM9715%%33
- Resource Relation:
- Conference: HazMat West `96. International environmental management and technology conference and exhibition, Long Beach, CA (United States), 5-7 Nov 1996; Other Information: PBD: 1996; Related Information: Is Part Of 12. annual environmental management and technology conference west -- HazMat `96 west: Technical papers; PB: 544 p.
- Country of Publication:
- United States
- Language:
- English
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