(i) Gas Leak Protection: - These are areas of industry where the possibility of flammable gas build-up is small, but the consequences of a gas escape could be catastrophic. These tend to be industries which by their nature have large volumes of gases piped around the works:
- Engineering companies
- Metal working plants
- Research laboratories
(ii) Confined Space Entry
The most prominent application for portable gas detection instruments. The instrument is used to check the atmosphere of sewers, tanks and other vessels prior to entry for maintenance purposes. These instruments invariably are 'multi-gas'. They have 3 or even 4 sensors included in the package. Large volumes of these instruments are purchased by:
- Public utilities - especially water and telecoms
- Chemical and petrochemical - for entry into vessels
- Cabling contractors
- Piling contractors
- Tunnelling contractors
- Civil engineers
- Landfill operators
(iii) Hazardous Area: Working Areas of industry where the build-up of flammable gas or vapour is an ever present danger. These instruments are very often the same multi-gas instruments used for confined space entry, but there are areas where single gas monitors ('explosimeters') are used. Typical industrial sectors here are:
- Chemical and petrochemical industries
- Oil/gas exploration
- Mining
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