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Replacing Fuses
6.3 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. 32).
WARNING
•
To avoid electric shock, disconnect the test leads from
the object to be measured before replacing the fuse.
• Replace the fuse only with one of the specifi ed type,
characteristics, rated current, and rated voltage.
Do not use fuses other than those specifi ed
(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.
Specifi ed fuses
Rating Specifi cations
For A/mA terminal 630 mA/
1000 V
Manufacturer: SIBA
Meltdown characteristics: Fast-blow type
Breaking capacity: 50 kA
Size:
6.3 mm × 32 mm
For A terminal 10 A/
1000 V
Manufacturer: SIBA
Meltdown characteristics: Fast-blow type
Breaking capacity: 30 kA
Size:
10 mm × 38 mm
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.
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