22
Model UT511: OPERATING MANUAL
Maintenance
This section provides basic maintenance information
including battery replacement instruction.
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.
Warning
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.
Turn the Meter to OFF when it is not in use.
Take out the battery when it is not using for a long
time.
Do not use or store the Meter in a place of humidity,
high temperature, explosive, inflammable and strong
magnetic field.
If the Meter is wet, dry it before use.
l
l
l
l
l
l
B. Replacing the Battery
Warning
To avoid electric shock, remove all the test leads
from the Meter when replacing the batteries.
Caution
Don’t mix to use old and new batteries.
Be careful the polarity is correct when installing
batteries.
Do not use the Meter if the battery indicator
(
) shows a battery empty condition.
l
l
l