5. MAINTENANCE
5.1 General Maintenance
To avoid electrical shock or damage to the meter,
do not get water inside the case. Remove the test
leads and any input signals before opening the
case
。
Periodically wipe the case with a damp cloth and mild
detergent. Do not use abrasives or solvents. Dirt or moisture
in the terminals can affect readings.
To clean the terminals:
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Turn the meter off and remove all test leads.
¥
Shake out any dirt that may be in the terminals.
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Soak a new swab with a cleaning and oiling agent (such as
WD-40).
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Work the swab around in each terminal. The oiling agent
insulates
the
terminals
from
moisture-related
contamination.
5.2 Fuse replacement
Before replacing the fuse, disconnect test leads
from any circuit under test.
To prevent damage or injury, replace the fuse only
with specified ratings.
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Set the meter to OFF state.
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Disconnect test leads from any inputs terminals.