ABB EL6010, Руководство оператора

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70 EL6010 Gas Analyzer in Category 2G Operator’s Manual 42/24-30 EN Rev. 1
Electrical Equipment in Explosion Hazard Zones:
Legal Principles
ElexV Set-up, installation and operation of the explosion-protection versions of the
EL6010 gas analyzer in the Federal Republic of Germany is covered by the
13 December 1996 “Regulations on Electrical Equipment in Explosion Hazard
Zones” (ElexV).
Classification of
Explosion Hazard
Zones Areas in which combustible gases, vapors or fogs pose a risk of explosion are
classified as zones. Zones are distinguished by their respective probability of
containing explosive atmospheres:
Zone 0 Covers areas in which explosive atmospheres occur continuously or on a
long-term basis.
Zone 1 Covers areas in which explosive atmospheres may occasionally be
present.
Zone 2 Covers areas in which explosive atmospheres are infrequently present or
occur only for short periods of time.
Operation of Electrical
Equipment in
Category 2G in Zone 1 Only electrical equipment in category 2G with an EC type certification may be
used in Zone 1 explosion hazard areas.
Operation of Electrical
Equipment in
Category 3G in Zone 2 Electrical equipment in category 3G used in Zone 2 explosion hazard areas must
have
•
An EC type certification or
•
A manufacturer’s certificate of suitability for use in Zone 2
Manufacturer’s
Certification By affixing a label the manufacturer confirms that unit testing was successfully
completed and that the product is in accordance with the documentation
submitted to the testing office.