WARNING
Improper device modications
Danger to personnel, system and environment can result from modications to the device,
particularly in hazardous areas.
• Only carry out modications that are described in the instructions for the device. Failure to
observe this requirement cancels the manufacturer's warranty and the product approvals.
WARNING
Toxic and/or corrosive gases
When measuring toxic or corrosive gases, it could occur that sample gas accumulates in the
analyzer because of leaks in the gas path.
To prevent the danger of poisoning or damage to parts of the analyzer, the analyzer or the
system must be purged with inert gas (e.g. nitrogen). The gas displaced by purging must be
collected using appropriate equipment and disposed of environmentally-friendly via an
exhaust line.
WARNING
Risk of explosion due to improper use
A device in the standard version must never be used in hazardous areas.
Explosive gas mixtures (e.g. ammable gases together with air or oxygen in a potentially
explosive ratio) must not be measured with this analyzer.
If the sample gas could contain ammable components above the lower explosion limit (LEL),
we recommend that you only use analyzers with piped gas paths.
WARNING
Wetted parts unsuitable for the process medium
Danger of injury or damage to device.
Hot, toxic and aggressive process media may be released if the media is not suitable for wetted
parts of the analyzer.
• Ensure that the material of the device parts wetted by the process medium is suitable for the
medium. Read the information in the technical specications of the respective manual!
Safety instructions
2.1 General
ULTRAMAT 23
14 Equipment Manual, 04/2022, A5E37100388-012
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