ROTRONIC ATEX User Manual
Page 10

10
Safety Instructions:
Note:
This symbol points to an information which contains important instructions concerning the operating. Inter-
ferences may result, if these are not followed.
Attention:
This symbol points to an information, whose non-observance may lead to serious material damages.
The safety instructions must be strictly observed.
☞
A
Important notice for installation:
Installation in gas atmosphere:
Zone 0:
Only the probe tube respectively the screw-in probe may be in zone 0
Temperature class T5
Zone 1:
The whole transmitter may be in Zone 1
Temperature class T6 for gas atmosphere
Installation in dust atmosphere
Zone 20:
The probes must only be used with the factory-mounted steel sinter filter
Zone 21
The whole transmitter may be in zone 21
☞
☞
Zone 0/20
Zone 1/21
T5 T6
Class ll, Division1
Group E,F,G
Zone 1/21
T6
Class l, Division1
Group A, B, C, D
Safe zone
Zener barrier
In zone 20/21,
only the sinter filter
must be used.
In zone 21,
only the sinter filter
must be used.
HygroClip IC-1-EX
ll 1 G EEx ia llC T5 resp. ll 2 G EEx ia lC T6
II 1/2 D IP6X T 80°C
HygroClip IE-1-EX
ll 1 G EEx ia llC T5 resp. ll 2 G EEx ia lC T
II 1/2 D IP6X T 80°C
HygroClip ID-1-EX
ll 1 G EEx ia llC T5 resp. ll 2 G EEx ia lC T
II 1/2 D IP6X T 80°C
HygroClip IW-1-EX
ll 1 G EEx ia llC T5 resp. ll 2 G EEx ia lC T6
II 2D IP6X T 80 °C