Manual Benning IT 120B (page 2 of 80) (English)

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1 Preface ............................................................................................................................5

2 Safety and operational considerations ........................................................................6

2.1 Warnings and notes .........................................................................................................6

2.2 Batteries ...........................................................................................................................8

2.3 Charging ..........................................................................................................................9

2.4 Precautions on charging of new battery cells or cells unused

for a longer period ............................................................................................................9

2.5 Standards applied ..........................................................................................................10

3 Description of the BENNING IT 110/ BENNING IT 120 B ..........................................11

3.1 Front panel .....................................................................................................................11

3.2 Connector panel .............................................................................................................12

3.3 Back panel .....................................................................................................................12

3.4 Bottom view ...................................................................................................................13

3.5 Carrying the BENNING IT 110/ BENNING IT 120 B ......................................................14

3.6 BENNING IT 110/ BENNING IT 120 B set and accessories ..........................................14

3.6.1 Standard set...........................................................................................................14

3.6.2 Optional accessories..............................................................................................15

4 Operation of the BENNING IT 110/ BENNING IT 120 B .............................................16

4.1 Meaning of symbols and messages on the display of the

BENNING IT 110/ BENNING IT 120 B ..........................................................................16

4.1.1 Online voltage and output terminal monitor ...........................................................16

4.1.2 Messageeld–batterystatus ...............................................................................16

4.1.3 Messageeld–measurementwarnings/messages ..............................................17

4.1.4 Resulteld .............................................................................................................18

4.1.5 Other messages.....................................................................................................18

4.1.6 Sound warnings .....................................................................................................18

4.1.7 Function and parameter line ..................................................................................19

4.1.8 Selecting measurement function/sub-function .......................................................19

4.2 Setting measurement parameters and limits .................................................................19

4.3 Help menu ......................................................................................................................19

4.4 Setup menu ....................................................................................................................20

4.4.1 Supply system setup ..............................................................................................20

4.4.2 Prospective short/fault current scaling factor adjustment ......................................20

4.4.3 Language selection ................................................................................................21

4.4.4 Communication port settings (BENNING IT 120 B only) .......................................21

4.4.5 Activating/ deactivating the COMMANDER (switchable probe tip) ........................21

4.4.6 Recalling original settings ......................................................................................22

4.5 Display contrast adjustments .........................................................................................23

5 Measurements ..............................................................................................................24

5.1 Insulation resistance ......................................................................................................24

5.2 Resistance / continuity testing .......................................................................................25

5.2.1 LowΩresistancemeasurement .............................................................................25

5.2.2 Continuity ...............................................................................................................27

5.3 Testing RCDs .................................................................................................................29

5.3.1 Limit contact voltage ..............................................................................................29

5.3.2 Nominal differential trip-out current ........................................................................29

5.3.3 Multiplier of nominal residual current .....................................................................29

5.3.4 RCD type and test current starting polarity ............................................................29

when mesuring lightihg earth protection instrument show that is not cinected. why.
Submitted on 12-8-2023 at 22:36
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Others manual(s) of Benning IT 120B

Benning IT 120B User Manual - German - 83 pages

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Benning IT 120B Manual

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