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Replacing Fuses
6.4 Replacing Fuses
If a fuse is blown, replace it with a new one as follows.
For details on how to check that the fuse is blown, see “3 Check
that the fuse is not broken.” (p. 40).
WARNING
Replacethefuseonlywithoneofthespeciedtype,
characteristics, rated current, and rated voltage.
Donotusefusesotherthanthosespecied(especially,
do not use a fuse with higher-rated current) or do not
short circuit and use the fuse holder. Doing so may
damage the instrument and result in personal injury.
Speciedfuses
Rating Specications
For µA/mA terminal
(DT4253)
250 mA/
1000 V
Manufacturer: HOLLYLAND
Breaking characteristic: Fast-blow type
Breaking capacity:
50 kA AC/ 30 kA DC
Size:
φ
10.3 mm × 38 mm
For V terminal
(DT4255)
630 mA/
1000 V
For A terminal
(DT4252, DT4256)
11 A/
1000 V
The fuses can be purchased via authorized Hioki distributor or
reseller.
When removing the fuse, do not apply excessive force on the fuse
holder. If the fuse holder is deformed, the connection becomes
poor and the instrument cannot measure the current.