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ATEX for Gas Detection Systems – Easy to
understand!
Gas detection systems are very often used in hazardous areas
and are subject to regulations applicable to such areas. Middle of
the year 2003 all these individual regulations have been fixed for
Europe under Directive 94/9/EU - better known as ATEX.
The user classifies first all hazardous areas into Zone 0, 1
or 2 by means of a risk analysis. The grade of hazard decreases from
Zone 0 to Zone 2. You could use detection systems within these zones
which correspond to the minimum re- quirements of the ATEX. The
different requirements of the Zones are reflected in corresponding
Device Categories (see Picture 1).
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