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UT501/UT502 OPERATING MANUAL
Maintenance
This section provides basic maintenance information including battery replacement
instruction.
Warning
Do not attempt to repair or service your Meter unless you are qualified to do
so and have the relevant calibration, performance test, and service information.
A. General Service
Periodically wipe the case with a damp cloth and mild detergent. Do not use
abrasives or solvents.
To clean the terminals with cotton bar with detergent, as dirt or moisture in
the terminals can affect readings.