|
CE
means CE mark permitted by the European Comittee for the Electromechanical
Standardization |
|
Ex
inside the Hexagon means “Protection against the Explosions” |
II |
II means Group II equipment = Not for use in Mines |
3 |
3 means ATEX Category (Old zone II) |
G |
G means tested for gases and vapors |
EEx |
EEx
means equipment tested under the latest European Harmonized Standard
for use in Explosive atmospheres |
nL |
nL
is a protection concept symbol, (in this case Non-sparking) |
| IIC |
Gas
Grouping (Acetylene & Hydrogen) |
| T4 |
T
(1,2,3,4,5,6) is the equipment classification by its surface maximum
temperature: T1=450ºC T2=300ºC T3=200ºC T4=135ºC T5=100ºC T6=85ºC |
| Tamb |
Ambient
temperature range in service (Standard between -20 & +40ºC not needed
to show) |
