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Appendix B: Area Classification/Protection
Concepts
Label Markings
European Markings and Classification for the M8100-EXP
Equipment Group II and Equipment Category 2
Equipment Group II: Above ground, High level, Single fault protection required
Equipment Category 2: Electrical in Hazardous areas, excluding Mining
Explosive Atmosphere Type G: Gas, vapor or mist.
Area Classification: Zone 1
II 2 G Ex db IIB T4
European Community Explosion protection standard and environment:
Ex d "Flameproof Enclosure" Protection Type, CENELEC standard: EN 50018, 2002; by method of
containing the explosion, prevents flame propagation in the event of a failure
IIB: Explosion Proof Gas Grouping based on type testing
Temperature code T4: maximum surface temperature will not exceed 135 °C (275 °F) Pertinent when
considering gas ignition temperatures that may come in contact.
CENELEC : European Committee Norms for Standardization ELECtrical Equipment
CE Declaration and Notified Body Markings:
CE declaration mark, conformance to applicable Equipment Directives
Notified Body Identification number involved in quality of manufacturing
systems
1725
II 2 G Ex db IIB T4 Gb
KEMA 03ATEX2379 Issue 3
Identification of the Notified Body providing product certification, followed by
the ATEX EC-Type examination certificate number.
E
T QUASAR Flare Monitors Operation Manual
2
Appendix B: Area Classification/Protection
Concepts • 57
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