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9.3 External calibration / calibration options
External calibration in verified balance should be performed in authorised
PCE-Group services, as it is possible only after removing protective seals.
In this case the validity of the verification is void and the balance must be
re-verified by the nearest Notified Body or at the place of installation.
Calibration with external weight standard in verified balances should be performed in
case balance indications exceed permissible error. To calibrate the balance a service
centre should use calibration weight as stated in Technical Data table (or of better
accuracy) with valid calibration certificate.
In verified balances calibration function is blocked for the user. It is only possible to print
calibration report useful for routine balance check-through.
The report printout example
Date : ... Time: ...
Calibration report
--------------------------------
Date of production: ...
Serial number: ...
Program version: ...
Adjustation no.: ...
Factory external weight: ...
Factory internal weight: ...
Current external weight: ...
Current internal weight: ...
Weight difference:
USER MANUAL
- external weight value registered during factory calibration
- internal weight value registered during factory calibration
- external weight value registered during last calibration
- internal weight value registered during last external calibration
...
- difference between internal weight values: factory value–current
value
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