Benning IT 120 B 044102 Manual De Usuario

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There are three fuses under the back cover of the BENNING IT 110/ BENNING IT 120 B.

-   F1 
 

 M 0.315 A / 250 V, 20

×5 mm, T.Nr.: 757211

  This fuse protects internal circuitry of lowΩ resistance function if test probes are connected to

the mains supply voltage by mistake..

-   F2, F3 
 

 F 4 A / 500 V, 32

×6.3 mm, T.Nr.: 757212

 

General input protection fuses of test terminals L/L1 and N/L2.

Warning:
-   

 Disconnect any measuring accessory and power off the instrument before opening battery/
fuse compartment cover, hazardous voltage inside.

-   Replace blown fuse with original type only, otherwise the instrument may be damaged and/or 

operator’s safety impaired.

Position of fuses can be seen in figure 3.4 in chapter 3.3 “Back panel”.

No special maintenance is required for the housing. To clean the surface of the instrument use a 
soft cloth slightly moistened with soapy water or alcohol. Then leave the instrument to dry totally 
before use.

Warning:
-  Do not use liquids based on petrol or hydrocarbons.
-  Do not spill cleaning liquid over the instrument. 

It is essential that the test instrument is regularly calibrated in order technical specification listed in
this manual can be guaranteed. We recommend an annual calibration. The calibration should be 
done by an authorised technical person only. Please contact your dealer for further information.

For repairs under warranty, or at any other time, please contact your distributor.

Manufacturer‘s address:
BENNING Elektrotechnik & Elektronik GmbH & Co. KG
Service Center
Robert-Bosch-Str. 20
D - 49397 Bocholt

Unauthorised persons are not permitted to open the BENNING IT 110/ BENNING IT 120 B. There 
are no user replaceable components inside the BENNING IT 110/ BENNING IT 120 B, except 
three fuses, refer to chapter 8.1 „Replacing fuses“.