MI 3110 EurotestIM
Table of contents
3
Table of contents
1
Preface .................................................................................................................... 5
2
Safety and operational considerations ................................................................. 6
2.1
Warnings and notes .......................................................................................... 6
2.2
Battery and charging ......................................................................................... 8
2.3
Standards applied ........................................................................................... 10
3
Instrument description ......................................................................................... 11
3.1
Front panel ...................................................................................................... 11
3.2
Connector panel .............................................................................................. 12
3.3
Back side ......................................................................................................... 13
3.4
Carrying the instrument ................................................................................... 14
3.5
Instrument set and accessories ....................................................................... 15
3.5.1
Standard set MI 3110 ............................................................................................ 15
3.5.2
Optional accessories ............................................................................................. 15
4
Instrument operation ............................................................................................ 16
4.1
Display organization ........................................................................................ 16
4.1.1
Terminal voltage monitor ....................................................................................... 16
4.1.2
Battery indication ................................................................................................... 16
4.1.3
Messages .............................................................................................................. 16
4.1.4
Results .................................................................................................................. 17
4.1.5
Sound warnings ..................................................................................................... 17
4.1.6
Help screens ......................................................................................................... 17
4.1.7
Backlight and contrast adjustments ....................................................................... 18
4.2
Function selection ........................................................................................... 18
4.3
Instruments main menu ................................................................................... 20
4.4
Settings ........................................................................................................... 20
4.4.1
Memory ................................................................................................................. 21
4.4.2
Language .............................................................................................................. 21
4.4.3
Date and time ........................................................................................................ 21
4.4.4
Isc factor................................................................................................................ 22
4.4.5
Commander support .............................................................................................. 22
4.4.6
Initial settings ........................................................................................................ 23
5
Measurements
– a.c. LV IT installations ............................................................. 24
5.1
Voltage, frequency and phase sequence ........................................................ 24
5.2
Line impedance and prospective short-circuit current / Voltage drop .............. 26
5.2.1
Line impedance and prospective short circuit current ............................................ 27
5.2.2
Voltage drop .......................................................................................................... 28
5.3
First fault leakage current (ISFL) ..................................................................... 30
5.4
Testing of insulation monitoring devices (IMD) ................................................ 32
5.5
Automatic measurement procedure ................................................................ 35
5.6
PE test terminal ............................................................................................... 38
6
Data handling ........................................................................................................ 39
6.1
Memory organization ....................................................................................... 39
6.2
Data structure .................................................................................................. 39
6.3
Storing test results ........................................................................................... 41
6.4
Recalling test results ....................................................................................... 42
