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5
Maintenance
Introduction
Any repair or service which is not covered in this manual should only be
CAUTION
performed by qualified personnel.
General maintenance
Ensure that terminal connections are correct for a particular measurement
WARNING
before making the measurement. To avoid damaging the device, do not
exceed the rated input limit.
Dirt or moisture in the terminals can distort readings. Cleaning procedures are
as follows:
1 Turn the multimeter off and remove the test leads.
2 Turn the multimeter over and shake out any dirt that may have accumulated in
3 Wipe the case with a damp cloth and mild detergent — do not use abrasives or
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the terminals.
solvents. Wipe the contacts in each terminal with a clean cotton swab
moistened with alcohol.
Keysight U1253B User's and Service Guide
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