UNIDOS
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Regularly Maintenance
4
D776.133.0/1
3 Regularly
Maintenance
3.1 Checkups (Function tests)
The following checkups have to be executed regu-
larly according to the recommendation or the na-
tionally valid laws / rules.
Test
Interval Recommendation
Comment
Visual inspection of the device
and the cables
daily and after
breaks (over
several hours)
strongly recom-
mended
Current zeroing
daily and after
breaks (over
several hours)
strongly recom-
mended
repeat after each changing of the
detector
Detector test
daily and after
breaks (over
several hours),
after changing
the detector
recommended
HV check at detector
Check desiccator
weekly recommended
Safety inspections
annually
acc. law
refer to national laws / rules
Inspections of measurement
technique
2 years
acc. law
refer to national laws / rules
To execute the tests correctly, please observe the
instructions given in the corresponding sections of
the user manual of the UNIDOS
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.
Safety inspections must only be handled by per-
sons who are trained in the use of such equipment
and are capable of applying it properly. The opera-
tor must be trained in the use of the device.
The UNIDOS
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must be inspected at regular
intervals according to national regulations at PTW-
Freiburg or a qualified calibration laboratory.
Safety inspections and inspections of measurement
technique must also be performed after repairs or
after each influence which may have changed the
behavior of the device.
National valid laws or rules may regulate shorter
intervals.
