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1.3 Explosion-proof design
1.3.1
General information
The process gas chromatograph PGC 9300 in Ex version is an explosion-proof
electrical device with ignition protection type "pressure-proof enclosure" with con-
nection housing of the ignition protection type "elevated safety".
Code:
The device conforms to the requirements of Directive 94/9/EC.
Danger
The PGC 9300 is permitted for installation in explosion-prone areas in Zone 1
that are endangered by gas and vapor assigned to explosion group IIB+H
and temperature class T4 or T5.
The applicable regulations and provisions must be observed for installation and
operation. The device is approved for operation in explosion-prone areas. The per-
missible electrical data and specifications for the temperature range are listed in
Appendix 1: Technical data.
Caution
The device must be protected from direct weather influences.
1.3.2
Pressure-proof housing
Danger
The pressure-proof housing has no interlocking switch. Before opening
the housing, ensure that the voltage has been switched off and observe a
wait time of one minute.
(See information on the type plate)
II 2G Ex db e IIB+H
2
1 About this manual
T5 / T4 Gb
Manual PGC 9300 EN07 June, 18th 2018
15
2
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