Heinrichs Messtechnik GmbH
Page 16 of 20
EX-Supplementary Operating Manual
HPC Mass Flow Meter
Recommended inspection intervals
Activity
Visual inspection
Close inspection
Detailed inspection
3-month interval
6-month interval
12-month interval
1
Visual inspection of
equipment for intactness,
removal of dust settlements
X
If necessary, at
shorter intervals
2
Check of electrical system
for intactness and
functionality
X
X
3 Check of entire system
User's responsibility
6.2
Fault elimination
No repairs or modifications may be performed on equipment that is operated in conjunction with explosive
atmospheres. Such equipment shall only be repaired by expert personnel trained and authorized to do so.
Damaged threaded or flat joints which may impair the IP protection of the enclosure shall not be repaired or
modified. The equipment shall be returned to the manufacturer for repair and replacement.
6.3
Disposal
Packaging material and worn components shall be disposed of according to the regulations applicable in the
country of installation.
7
Warnings
The following warnings or similar wordings are either printed on the rating plate, or are stated in the User
Manual:
-
“Substitution of components may impair intrinsic safety”
-
“Do not disconnect cable when an explosive atmosphere is present”
-
“The enclosure is to be protected against impact”
