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Users Manual
6-2
Current Input Fuses
The 100 mA and 10 A inputs are protected by user-replaceable fuses.
• The 100 mA input is protected by a fuse rated at F 500 mA, 250 V (Fast blow),
1500 A minimum breaking capacity, IEC-127 Sheet I.
• The 10 A input is protected by a fuse rated at F 15 A, 250 V (Fast blow), 10,000 A
breaking capacity, [or F 15 A, 600 V, (Fast blow), 10,000 A minimum breaking
capacity].
Rear Panel
To remove,
Squeeze and slide out
F3 Line Fuse
(T 125 mA, 250 V, Slow Blow)
Fuse Holder
(Spare fuse provided)
Power-Line Cord Connector
qb12f.eps
Figure 6-1. Replacing the Line Fuse
Testing Current Input Fuses
Perform the following procedure to test these fuses:
1. Plug a test lead into the X input terminal and power-up the meter.
2. Press O to select the ohms function.
3. Insert the test lead probe into the 100 mA input terminal.
If the fuse is good, the meter will read between 11 Ω and 15 Ω. If the fuse is blown,
the meter will read >10 MΩ to OL.
4. Remove the test lead probe from the 100 mA input terminal and insert it into the 10A
input terminal.
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