Spare Parts - Benning IT 100 Bedienungsanleitung

9.4 Checking and replacing the fuse
The condition of the fuse can be checked as follows:
- Select the low resistance measuring function " 200 mA" with the rotary
switch .
- Connect the black safety measuring cable to the negative socket (-) of the
BENNING IT 100.
- Connect the red safety measuring cable to the positive socket (+) of the
BENNING IT 100.
- Bring the test prods of the measuring cables into contact with each other
and press the
- The fuse is intact if the measurement reading in the display  is about 0.05 .
The fuse is defective and must be replaced if the measurement reading
"> 20 " appears in the display .
Before opening the BENNING IT 100, make quite sure that it is

voltage free! Electric danger!
The BENNING IT 100 is protected against overload by an internal fuse (G
cartridge fuse link) with the ratings 0.5 A, 1000 V AC/ DC, 10 kA, quick blow,
D = 6.3 mm, L = 32 mm.
- Disconnect the safety measuring cables from the measuring circuit.
- Disconnect the safety measuring cables from the BENNING IT 100.
- Turn the rotary switch  to the switch setting "0".
- The fuse is in a separate compartment above the battery compartment.
- No further screws need to be released on the BENNING IT 100 for replacing
the fuse.
- Lift one end of the defective fuse out of the fuse holder with the help of a
slot screwdriver.
- Lift the defective fuse completely out of the fuse holder.
- Insert a new fuse which has the same current rating, the same voltage
rating the same disconnecting rating, the same disconnecting characteristic
and the same dimensions.
- Make sure that the new fuse is seated centred in the holder.
- Place the battery compartment cover on the bottom section and tighten the
screws.
See Fig. 9:
9.5 Calibration
To maintain the specified accuracy of the measurement results, the instrument
must be recalibrated at regular intervals by our factory service. We recommend
a recalibration interval of one year.

9.6 Spare parts

Fuse 0.5 A, 1000 V AC/DC, 10 kA, quick blow
11/ 2004
button , holding it pressed.
Fuse replacement
BENNING IT 100

T.No. 749771
18