Benning IT 115 - Default Chapter; Table of Contents

BENNING IT 115 Content
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Table of contents
1 Preface ............................................................................................................................... 5
2 Safety and operating instructions ................................................................................... 6
2.1 Warnings ..................................................................................................................... 6
2.2 Batteries / storage batteries and charger ................................................................... 10
2.3 Standards applied ..................................................................................................... 12
3 Device description .......................................................................................................... 13
3.1 Front panel ................................................................................................................ 13
3.2 Connection panel ...................................................................................................... 14
3.3 Rear panel ................................................................................................................ 15
3.4 Carrying the installation tester ................................................................................... 16
3.4.1 Attachment of the carrying strap ........................................................................ 17
3.5 Scope of delivery and optional accessories ............................................................... 18
3.5.1 Standard scope of delivery ................................................................................ 18
3.5.2 Optional accessories ......................................................................................... 18
4 Operating the BENNING IT 115 installation tester ........................................................ 19
4.1 Indications and acoustic warning signals ................................................................... 19
4.1.1 Connection monitor ........................................................................................... 19
4.1.2 Battery indication ............................................................................................... 19
4.1.3 Warnings and messages ................................................................................... 19
4.1.4 Evaluation field .................................................................................................. 20
4.1.5 Acoustic warning signals ................................................................................... 20
4.1.6 Help menu ("HELP" key) ................................................................................... 21
4.1.7 Background lighting and contrast ....................................................................... 21
4.2 Function selector switch ............................................................................................ 22
4.3 "SETTINGS" mode .................................................................................................... 23
4.3.1 Language .......................................................................................................... 23
4.3.2 RCD testing ....................................................................................................... 23
4.3.3 Isc factor (scaling factor) .................................................................................... 25
4.3.4 Commander ON/OFF ........................................................................................ 25
4.3.5 Initial settings ..................................................................................................... 26
5 Measurements ................................................................................................................. 28
5.1 TRMS voltage, frequency and phase sequence ........................................................ 28
5.2 Insulating resistance.................................................................................................. 30
5.3 Low-impedance resistance / continuity test ............................................................... 32
5.3.1 Low-impedance resistance with a testing current of 200 mA ............................. 32
5.3.2 Continuity test with a testing current of 7 mA ..................................................... 33
5.3.3 Compensation (null balance) of the test cable resistance .................................. 34
5.4 RCD testing ............................................................................................................... 36
5.4.1 Contact voltage (Uc) .......................................................................................... 37
5.4.2 Tripping time (RCDt) .......................................................................................... 38
5.4.3 Tripping current (RCD I) .................................................................................... 38
5.4.4 Automatic test .................................................................................................... 39
5.5 Loop impedance and prospective short-circuit current ............................................... 41
5.6 Line impedance and prospective short-circuit current / voltage drop ......................... 43
5.6.1 Line impedance and prospective short-circuit current ........................................ 44
5.6.2 Voltage drop ...................................................................................................... 45
5.7 Earthing resistance ................................................................................................... 47