MI 3152(H)
Eurotest
XC (2,5 kV)
Table of contents
4
4.8.9
Exporting a Workspace ............................................................................................ 43
5
Memory Organizer .............................................................................................................. 44
5.1
Memory Organizer menu .............................................................................................. 44
5.1.1
Measurement statuses ............................................................................................. 44
5.1.2
Structure Objects ...................................................................................................... 45
5.1.3
Operations in Tree menu .......................................................................................... 46
6
Single tests .......................................................................................................................... 65
6.1
Selection modes ........................................................................................................... 65
6.1.1
Single test screens ................................................................................................... 66
6.1.2
Setting parameters and limits of single tests ........................................................... 68
6.1.3
Single test start screen ............................................................................................. 69
6.1.4
Single test screen during test ................................................................................... 70
6.1.5
Single test result screen ........................................................................................... 71
6.1.6
Editing graphs (Harmonics) ...................................................................................... 73
6.1.7
Help screens ............................................................................................................. 74
6.1.8
Recall single test results screen ............................................................................... 75
7
Tests and measurements .................................................................................................. 76
7.1
Voltage, frequency and phase sequence ..................................................................... 76
7.2
R iso
– Insulation resistance ........................................................................................ 78
7.3
The DAR and PI diagnostic (MI 3152H only) ............................................................... 80
7.4
R low
– Resistance of earth connection and equipotential bonding ............................ 82
7.5
Continuity
– Continuous resistance measurement with low current ............................ 84
7.5.1
Compensation of test leads resistance .................................................................... 85
7.6
Testing RCDs ............................................................................................................... 87
7.6.1
RCD Uc
– Contact voltage ....................................................................................... 88
7.6.2
RCD t
– Trip-out time ................................................................................................ 89
7.6.3
RCD I
– Trip-out current ........................................................................................... 90
7.7
RCD Auto
– RCD Auto test .......................................................................................... 91
7.8
Z loop
– Fault loop impedance and prospective fault current ...................................... 93
7.9
Zs rcd
– Fault loop impedance and prospective fault current in system with RCD ..... 95
7.10
Z loop m
– High precision fault loop impedance and prospective fault current ........ 97
7.11
Z line
– Line impedance and prospective short-circuit current .................................... 99
7.12
Z line m
– High precision line impedance and prospective short-circuit current .... 101
7.13
Voltage Drop ............................................................................................................... 104
7.14
Earth
– Earth resistance (3-wire test)......................................................................... 107
7.15
Earth 2 clamp
– Contactless earthing resistance measurement (with two current
clamps) ................................................................................................................................... 109
7.16
Ro
– Specific earth resistance.................................................................................... 111
7.17
Power .......................................................................................................................... 113
7.18
Harmonics ................................................................................................................... 115
7.19
Currents ...................................................................................................................... 117
7.20
ISFL
– First fault leakage current (MI 3152 only) ....................................................... 119
7.21
IMD
– Testing of insulation monitoring devices (MI 3152 only) ................................. 121
7.22
Rpe
– PE conductor resistance .................................................................................. 124
7.23
Illumination .................................................................................................................. 126
8
Auto tests .......................................................................................................................... 128
8.1
AUTO TT
– Auto test sequence for TT earthing system ........................................... 129
8.2
AUTO TN (RCD)
– Auto test sequence for TN earthing system with RCD ............... 131
8.3
AUTO TN
– Auto test sequence for TN earthing system without RCD ..................... 133
8.4
AUTO IT
– Auto test sequence for IT earthing system (MI 3152 only) ..................... 135
