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DIGITAL MULTIMETER
MAINTENANCE
5. MAINTENANCE
5.1 BATTERY REPLACEMENT
WARNING
Before attempting open the battery cover of the meter,
be sure that test leads have been disconnected from
measurement circuit to avoid electric shock hazard.
5.1.1 If the sign‘ ’ appears on the LCD display, it
indicates that the battery should be replaced.
5.1.2 Loosen the screw fixing the battery cover and remove
it.
5.1.3 Replace the exhausted battery with a new one.
5.1.4 Put the battery cover as its origin.
5.2 FUSE REPLACEMENT
WARNING
Before attempting open the battery cover of the meter,
be sure that test leads have been disconnected from
measurement circuit to avoid electric shock hazard.
For protection against fire, replace fuses only with
specified ratings: F 200mA/250V (quick acting).
5.2.1 Fuse rarely need replacement and blow almost always
as a result of the operator’s error.
5.2.2 Loosen the fixing screw of the case and remove it.
5.2.3 Replace the blown fuse with ratings specified.
5.2.4 Put the case as its origin.
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