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6.0 Maintenance
When using the instrument in compliance with the instruction manual,
no special maintenance is required.
Should operational problems occur during daily use, our consulting
service (phone 0049(0)7684/8009-29) will be at your disposal, free of
charge. For any queries regarding the instrument, please always quote
product designation and serial number, both marked on the type shield
label on instrument rear.
If functional errors occur after expiration of warranty, our after sales
service will repair your instrument without delay.
6.1 Cleaning
If the instrument is dirty after daily usage, it is advised to clean it by
using a humid cloth and a mild household detergent.
Prior to cleaning, ensure that instrument is switched off and disconnec-
ted from external voltage supply and any other instruments connected
(such as UUT, control instruments, etc.).
Never use acid detergents or dissolvants for cleaning.
6.2 Calibration Interval
The instrument has to be periodically calibrated by our service depart-
ment in order to ensure the specified accuracy of measurement results.
We recommend a calibration interval of two years.
6.3 Replacement of Batteries
Prior to storage battery replacement, disconnect the instrument
from any connected test leads.
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