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6
Model UT511: OPERATING MANUAL
International electrical symbols used on the Meter and
in this Operating Manual are explained on
page 4~5.
Danger
Use of instrument in a manual not specifed by
the manufactuer may impair safety features/
protection provided by the equipment. Read the
following safety information carefully before using
or servicing the instrument.
Do not apply more than 1000VDC or 750V AC.
Do not use the Meter around explosive gas,
vapor or dust.
Do not use the Meter in a wet environment.
When using the test leads, keep your figures
away from the lead contacts. Keep your
figures behind the finger guards on the leads.
Do not use the Meter with any parts or cover
removed.
When carrying out insulation measurement,
do not contact the circuit under test.
Warning
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Do not use the Meter if it is damaged or metal
part is exposed. Look for cracks or missing
plastic.
Be careful when working above 30V rms, 42V
ac rms and 60V DC. Such voltages pose a
shock hazard.
Discharge all loading of circuit under test after
measuring high voltage.
Do not change battery when the Meter is in
wet environment.
Place test leads in proper input terminals.
Make sure all the test leads are firmly
connected to the Meter’s input terminals.
Make sure the Meter is turned off when
opening the battery compartment.
Caution
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When performing resistance tests, remove all
power from the circuit to be measured and
discharge all the power.