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9 Maintenance
Maintenance consists of periodic cleaning and battery replace-
ment. The exterior of the instrument can be cleaned with a dry clean
cloth to remove any oil, grease or grime. Never use liquid solvents or
detergents. Repairs or servicing not covered in this manual should
only be performed by qualified personnel.
10 Replacing the battery
WARNING!
To avoid electrical shock, disconnect the test leads and any input
signals before replacing the battery. Replace only with same type
of battery.
This meter is powered by a 6LR61 (or 6F22, NEDA type 1604 or
equivalent 9-volt battery). When the meter displays the , the battery
must be replaced to maintain proper operation. Use the following pro-
cedure to replacing the battery:
1. Disconnect test leads from any live source, turn the rotary switch to
OFF, and remove the test leads from the input terminals.
2. The battery cover is secured to the bottom case by a screws. Using
a Phillips-head screwdriver, remove the screws from the battery cover
and remove the battery cover.
3. Remove battery and replace with a new equivalent 9-volt battery.
4. Replace the battery cover and reinstall the screws.
