Safety Information - Fluke 789 User Manual

789
Users Manual
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Safety Information

A Warning identifies conditions and procedures that are
dangerous to the user. A Caution identifies conditions and
procedures that can cause damage to the Product or the
equipment under test.
International symbols used on the meter and in this
manual are explained in Table 1.
Warning
To prevent possible electrical shock, fire, or
personal injury:
•
Read "Safety Information" before using the
meter.
•
Do not use the meter if it is damaged. Before
using the meter, inspect the case. Look for
cracks or missing plastic. Pay particular
attention to the insulation surrounding the
connectors.
•
Make sure the battery door is closed and
latched before operating the meter.
•
Remove test leads from the meter before
opening the battery door.
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•
Inspect the test leads for damaged insulation or
exposed metal. Check test lead continuity.
Replace damaged test leads before using the
meter.
•
Do not use the meter if it operates abnormally.
Protection may be impaired. When in doubt,
have the meter serviced.
•
Do not operate the meter around explosive gas,
vapor, or dust.
•
Do not use in a damp or wet environment.
•
Use only type AA batteries, properly installed in
the meter case, to power the meter.
•
When servicing the meter, use only specified
replacement parts.
•
Use caution when working above 30 V ac rms,
42 V ac pk, or 60 V dc. Such voltages pose a
shock hazard.
•
When using the probes, keep fingers behind the
finger guards on the probes.
•
Connect the common test lead before
connecting the live test lead. When
disconnecting test leads, disconnect the live
test lead first.
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