MI 3100 s, MI 3100 SE
Eurotest
EASI
Table of contents
3
Table of contents
1
Preface ............................................................................................................................... 6
2
Safety and operational considerations ........................................................................... 7
2.1
Warnings and notes .................................................................................................... 7
2.2
Battery and charging ................................................................................................. 11
2.3
Standards applied ..................................................................................................... 13
3
Instrument description ................................................................................................... 14
3.1
Front panel ................................................................................................................ 14
3.2
Connector panel ........................................................................................................ 15
3.3
Back side .................................................................................................................. 16
3.4
Carrying the instrument ............................................................................................. 17
3.5
Instrument set and accessories ................................................................................. 18
3.5.1
Standard set MI 3100 s
– EurotestEASI ................................................................ 18
3.5.2
Standard set MI 3100 SE
– EurotestEASI ............................................................. 18
3.5.3
Optional accessories ............................................................................................. 18
4
Instrument operation ...................................................................................................... 19
4.1
Display and sound ..................................................................................................... 19
4.1.1
Terminal voltage monitor ....................................................................................... 19
4.1.2
Battery indication ................................................................................................... 19
4.1.3
Messages .............................................................................................................. 19
4.1.4
Results .................................................................................................................. 20
4.1.5
Sound warnings ..................................................................................................... 20
4.1.6
Help screens ......................................................................................................... 20
4.1.7
Backlight and contrast adjustments ....................................................................... 21
4.2
Function selection ..................................................................................................... 22
4.3
Settings ..................................................................................................................... 23
4.3.1
Memory (MI 3100 SE only) .................................................................................... 23
4.3.2
Language .............................................................................................................. 23
4.3.3
Date and time ........................................................................................................ 24
4.3.4
RCD testing ........................................................................................................... 24
4.3.5
Isc factor................................................................................................................ 25
4.3.6
Commander support (MI 3100 SE only) ................................................................ 26
4.3.7
Communication (MI 3100 SE only) ........................................................................ 26
4.3.8
Initial settings ........................................................................................................ 28
5
Measurements ................................................................................................................. 30
5.1
Voltage, frequency and phase sequence ................................................................... 30
5.2
Insulation resistance.................................................................................................. 32
5.3
Resistance of earth connection and equipotential bonding ........................................ 34
5.3.1
R LOWΩ, 200 mA resistance measurement .......................................................... 34
5.3.2
Continuous resistance measurement with low current ........................................... 35
5.3.3
Compensation of test leads resistance .................................................................. 36
5.4
Testing RCDs ............................................................................................................ 38
5.4.1
Contact voltage (RCD Uc) ..................................................................................... 39
5.4.2
Trip-out time (RCDt) .............................................................................................. 40
5.4.3
Trip-out current (RCD I) ......................................................................................... 40
5.4.4
RCD Auto-test ....................................................................................................... 42
5.5
Fault loop impedance and prospective fault current................................................... 44
5.6
Line impedance and prospective short-circuit current / Voltage drop ......................... 46
5.6.1
Line impedance and prospective short circuit current ............................................ 47
5.6.2
Voltage drop .......................................................................................................... 48
