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Maintenance
XWWarning
To avoid possible electric shock or personal
injury, servicing not covered in this manual
should be performed only by the
manufacturer. Repair or service by others
may void the ATEX certification of this Meter.
General Maintenance
Periodically wipe the case with a damp cloth. Do not use
abrasives or solvents.
Caution
To avoid weakening the case and possibly
developing cracks, do not use Acetone to
clean the Meter
Dirt or moisture in the terminals can affect readings and
can falsely activate the Input Alert feature. Clean the
terminals as follows:
1.
Turn the Meter off and remove all test leads.
2.
Shake out any dirt that may be in the terminals.
3.
Soak a new swab with a cleaning and oiling agent
(such as WD-40). Work the swab around in each
terminal. The oiling agent insulates the terminals
from moisture-related activation of the Input Alert
feature.
Fuse Test
If a test lead is plugged into the mA/ A or A terminal and
the rotary switch is turned to a non-current function, the
Meter chirps and flashes "LEAd" if the fuse associated
with that current terminal is good. If the Meter does not
chirp or flash "LEAd", the fuse is bad and must be
replaced. Refer to Table 9 for the appropriate
replacement fuse.
To test the quality of the fuse:
before measuring current, test the appropriate fuse as
shown in Figure 10. If the tests give readings other than
those shown, have the Meter serviced.
XWWarning
To avoid electrical shock or personal injury,
remove the test leads and any input signals
before replacing the battery or fuses. To
prevent damage or injury, install ONLY
approved fuses shown in Table 9.
True-rms Multimeter
Maintenance
37
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