Operation Manual

BENNING IT 130 short instructions
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1.9 Batteries and fuses
Batteries
Warning:
 Disconnect all test cables / accessories from the tester and from the installation and
switch the tester off before opening the cover of the battery / fuse compartment.
Dangerous voltages might occur inside the tester!
 Use alkaline batteries or rechargeable Ni-MH batteries (storage batteries) of the size AA
only! Do not recharge alkaline batteries!
 Please make sure that the batteries / storage batteries are inserted with correct polarity,
because otherwise the tester cannot be operated and the batteries / storage batteries will
discharge.
 If the tester will not be used for a longer period of time, remove all batteries / storage
batteries from the battery compartment in order to protect the tester against leakage of
the batteries / storage batteries.
The rechargeable Ni-MH batteries (storage batteries) will be recharged automatically as soon as the
charger is connected to the charging socket. An integrated protective circuit controls the charging
process.
Power supply socket polarity
Fuses
Warning:
 Disconnect all test cables / accessories from the tester and from the installation and switch the
tester off before opening the cover of the battery / fuse compartment. Dangerous voltages may
be applied to the interior of the tester!
 Replace the fuses removed with new fuses of exactly the same fuse type. An incorrect fuse
might affect the safety of the user and / or damage the tester.
There are three fuses under back cover of the BENNING IT 130 instrument.
 F1
M 0,315 A / 250 V, 205 mm
This fuse is intended to protect the internal switching circuits for low-impedance measurement/
continuity test, if during measurement the probe tips are accidentally connected to the mains
voltage.
 F2, F3
F 4 A / 500 V, 326,3 mm (breaking capacity: 50 kA)
General input protection fuses of test terminals L/L1 and N/L2.