6. MAINTENANCE
6-1 Replacement of Battery
Caution :
Remove test leads before
open the battery cover !
1) When the LCD display shows " ". It is necessary to
replace the battery, However in-spec. measurement may
still be made for several hours after " Low battery
indicator " appears before the instrument become
inaccurate.
2) Open the screw of " Battery Cover " ( 3-14, Fig. 1 ) by
screwdriver, then move the battery.
3) Replace with 9V battery and reinstate the cover.
6-2 Replacement of Fuse
Fuse :
Rating : 500 mA, Size : 5 mm dia. x 20 mm
1) The meter is provided with one 5 x 20 mm 500 mA fuse
for current ( direct input ) measurement. current range
overload protection purpose.
2) When the direct input current range can not operate, please
check if the fuse is broken ?
When replace the fuse, open the housing case and
remove the fuse from the main PC board.
3) Replace the fuse according the spec. and reinstate the
housing case again.
13
