Delta NANOTRACE DF-745 Manuel d'instructions Page 74

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70 DF-745 Sample Gas Preparation and Delivery
such as Helium and Hydrogen whose flow rates should be set to approximately one-third
that of Nitrogen.
8.5 Flammable Sample Gas
There is nothing within the analyzer sample system that can ignite a flammable sample gas.
However, it is critical to ensure that the sample gas does not escape from the sample system
into the analyzer enclosure, or the room, where ignition is possible.
Also, the analyzer enclosure can be purged with nitrogen, or the entire Analyzer can be
mounted in a purged enclosure, so that any sample gas that escapes the plumbing is diluted.
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