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1.1.4 Instructions
• Remove test leads from the Meter before opening the
Meter case or battery cover.
• When servicing the Meter, use only specified
replacement parts.
• Before opening up the instrument, always disconnect
from all sources of electric current and make sure you
are not charged with static electricity, which may
destroy internal components.
• Any adjustment, maintenance or repair work carried
out on the meter while it is live should be carried out
only by appropriately qualified personnel, after having
taken into account the instructions in this present
manual.
• A "qualified person" is someone who is familiar with the
installation, construction and operation of the
equipment and the hazards involved. He is trained and
authorized to energize and de-energize circuits and
equipment in accordance with established practices.
• When the instrument is opened up, remember that
some internal capacitors can retain a dangerous
potential even after the instrument is switched off.
• If any faults or abnormalities are observed, take the
instrument out of service and ensure that it cannot be
used until it has been checked out.
• If the meter is not going to be used for a long time, take
out the battery and do not store the meter in high
temperature or high humidity environment.
1.2 Protection mechanisms
This instrument is fitted with various protection
mechanisms:
• Varistor protection for limiting transients of over 1000V
at the VΩ terminal.
• A PTC (positive temperature coefficient) resistor
protects against permanent overvoltages of up to 1000V
during resistance, capacitance, temperature, continuity
and diode test measurements.
• Selected function or range isn't suitable for the inserted
red test lead terminal. Pull out the red test lead and then
select the function or range
DIG ITAL MU LTI MET ER DIG ITAL MU LTI MET ER
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