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MI 3100 s, MI 3100 SE EurotestEASI Table of contents
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5.6.2Voltage drop ............................................................................................................ 49
5.7Earth resistance .......................................................................................................... 51
5.7.1Standard earthing resistance measurement ........................................................... 52
5.8PE test terminal ........................................................................................................... 54
5.9PE conductor resistance (MI 3100 SE only) ............................................................... 56
6Auto-sequences (MI 3100 SE only) ................................................................................. 58
7Data handling (MI 3100 SE only)...................................................................................... 62
7.1Memory organization .................................................................................................. 62
7.2Data structure ............................................................................................................. 62
7.3Storing test results ...................................................................................................... 64
7.4Recalling test results ................................................................................................... 65
7.5Clearing stored data .................................................................................................... 66
7.5.1Clearing complete memory content ........................................................................ 66
7.5.2Clearing measurement(s) in selected location ........................................................ 66
7.5.3Clearing individual measurements .......................................................................... 67
7.5.4Renaming installation structure elements (upload from PC) ................................... 68
7.5.5Renaming installation structure elements with serial barcode reader or RFID reader
68
7.6Communication ........................................................................................................... 69
7.6.1USB and RS232 communication............................................................................. 69
7.6.2Bluetooth communication ........................................................................................ 70
8Upgrading the instrument ................................................................................................ 71
9Maintenance ...................................................................................................................... 72
9.1Fuse replacement ....................................................................................................... 72
9.2Cleaning ...................................................................................................................... 72
9.3Periodic calibration ...................................................................................................... 72
9.4Service ........................................................................................................................ 72
10Technical specifications .................................................................................................. 73
10.1Insulation resistance ................................................................................................... 73
10.2Continuity .................................................................................................................... 74
10.2.1Resistance R LOW .............................................................................................. 74
10.2.2Resistance CONTINUITY ................................................................................... 74
10.3RCD testing ................................................................................................................. 75
10.3.1General data ....................................................................................................... 75
10.3.2Contact voltage RCD Uc ..................................................................................... 75
10.3.3Trip-out time ........................................................................................................ 76
10.3.4Trip-out current .................................................................................................... 76
10.4Fault loop impedance and prospective fault current ................................................... 77
10.4.1No disconnecting device or FUSE selected ........................................................ 77
10.4.2RCD selected ...................................................................................................... 77
10.5Line impedance and prospective short-circuit current / Voltage drop ......................... 78
10.6PE conductor resistance (MI 3100 SE only) ............................................................... 79
10.6.1No RCD selected ................................................................................................ 79
10.6.2RCD selected ...................................................................................................... 79
10.7Resistance to earth ..................................................................................................... 80
10.7.1Standard earthing resistance measurement – 3-wire measurement .................. 80
10.8Voltage, frequency, and phase rotation ...................................................................... 81
10.8.1Phase rotation ..................................................................................................... 81
10.8.2Voltage ................................................................................................................ 81
10.8.3Frequency ........................................................................................................... 81
10.8.4Online terminal voltage monitor .......................................................................... 81
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