Maintenance; General Service; Replacing The Battery - UNI-T UT511 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
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Periodically wipe the case with a damp cloth and
mild detergent. Do not use abrasives or solvents.
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To clean the terminals with cotton bar with detergent,
as dirt or moisture in the terminals can affect readings.
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Turn the Meter to OFF when it is not in use.
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Take out the battery when it is not using for a long
time.
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Do not use or store the Meter in a place of humidity,
high temperature, explosive, inflammable and strong
magnetic field.
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If the Meter is wet, dry it before use.
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Model UT511: OPERATING MANUAL
B. Replacing the Battery
Warning
To avoid electric shock, remove all the test leads
from the Meter when replacing the batteries.
Caution
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Don't mix to use old and new batteries.
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Be careful the polarity is correct when installing
batteries.
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Do not use the Meter if the battery indicator
( ) shows a battery empty condition.