Operation Manual

BENNING IT 130 short instructions
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Table of Contents
1 Start up guide ................................................................................................................................... 4
1.1 Safety and operational considerations .................................................................................... 4
1.2 Front and connector panel ....................................................................................................... 5
1.3 Standard scope of delivery ...................................................................................................... 7
1.4 Indications and meaning of symbols ....................................................................................... 7
1.5 Selecting measuring functions ................................................................................................. 8
1.6 Switch position „AUTO“ ........................................................................................................... 9
1.7 Settings („SETTINGS“) ............................................................................................................ 9
1.8 Measured value memory ....................................................................................................... 10
1.9 Batteries and fuses ................................................................................................................ 10
1.10 Calibration and service .......................................................................................................... 12
1.11 Optional accessories ............................................................................................................. 11
2 Measurements ................................................................................................................................ 12
2.1 Null balance (compensation) of the test cables ..................................................................... 13
2.2 TRMS voltage (V AC/DC), frequency and phase sequence (rotary field) ............................. 14
2.3 Insulation resistance .............................................................................................................. 15
2.4 Low-impedance resistance/ continuity test ............................................................................ 16
2.5 Residual current operated device (RCD) .............................................................................. 17
2.6 Loop impedance .................................................................................................................... 18
2.7 Line impedance ..................................................................................................................... 19
2.8 Earth resistance ..................................................................................................................... 20
2.9 Current ................................................................................................................................... 21
2.10 Luminous intensitiy ................................................................................................................ 22
2.11 First fault current in IT supply system (ISFL) ......................................................................... 22