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Chapter 4
Maintenance
Introduction
Any repairs or servicing not covered by this manual should only be done by
qualified personnel.
Battery Replacement
To avoid electric shock, disconnect the power leads from the mains,
and disconnect the test leads and any input signals before replacing
the battery. Only replace with same type of battery.
When the multimeter displays the "
maintain proper operation. Use the following procedure to replace the battery:
1.
Disconnect the test leads from any live source, turn the rotary switch to off,
and remove the test leads from the input terminals.
2.
Remove the screws on the battery cover and open it.
3.
Remove the dead battery and replace with a new equivalent 9V battery.
4.
Two types of battery are used in the bench multimeter: one is a NEDA
1604 6F22 006P type x 1 or equivalent 9V battery, the other is IEC LR6
AM3 AA 1.5V x 6.
5.
Never use the bench multimeter unless the battery cover is in place and
properly fastened.
DVM645BI
WARNING
" indicator, the battery must be replaced to
23
GB
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