Rh eo n i k M esst ech n i k
RE V . L O ct o b er 2014
.
RHEONIK Coriolis Flowmeter
Operation Manual RHE 07, 08, 11
Appendix
1. Specific Marking:
Instruments of this category are
for use in areas where ignitable
atmospheres caused by a mixture of
air and gases, vapours or mists can
exist.
II 1 G
0044
1 (very high)
2 (high)
3 (normal)
0, 1, 2 (G)
1, 2 (G)
2 (G)
Instrument group II comprises
equipment intended for use in places
likely to become endangered by
explosive atmospheres (but not for mines).
CE marking on instrument, indicating
compliance with European directive
94/9/EC.
Identification number of the Notified
body involved in the production
control stage.
Hexagon symbol, the specific
marking of explosion protection.
Level of
protection
Operation in hazardous
area zones
Note:
If the number, indicating the level of protection is put into brackets, the instrument can be
installed in a safe area only, but can be connected to the indicated category instruments in the
hazardous area!