MI 3109 EurotestPV Lite
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 ......................................................................................... 9
2.3
Standards applied ........................................................................................... 11
3
Instrument description ......................................................................................... 12
3.1
Front panel ...................................................................................................... 12
3.2
Connector panel .............................................................................................. 13
3.3
Back side ......................................................................................................... 14
3.4
Instrument set and accessories ....................................................................... 15
3.4.1
Standard set MI 3109 ............................................................................................ 15
3.4.2
Optional accessories ............................................................................................. 16
4
Instrument operation ............................................................................................ 17
4.1
Display and sound ........................................................................................... 17
4.1.1
Warnings ............................................................................................................... 17
4.1.2
Battery indication ................................................................................................... 17
4.1.3
Messages .............................................................................................................. 17
4.1.4
Results .................................................................................................................. 18
4.1.5
Help screens ......................................................................................................... 18
4.1.6
Backlight and contrast adjustments ....................................................................... 19
4.2
Function selection ........................................................................................... 19
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
Initial settings ........................................................................................................ 22
4.4.5
Clamp Settings ...................................................................................................... 23
4.4.6
Synchronization (A 1378 - PV Remote unit) .......................................................... 23
4.4.7
Solar settings ........................................................................................................ 25
4.4.8
Accessories ........................................................................................................... 28
4.4.9
Communication ..................................................................................................... 28
5
Measurements ...................................................................................................... 32
5.1
Insulation resistance ........................................................................................ 32
5.2
Resistance of earth connection and equipotential bonding ............................. 34
5.2.1
R LOWΩ, 200 mA resistance measurement .......................................................... 34
5.2.2
Continuous resistance measurement with low current ........................................... 35
5.2.3
Compensation of test leads resistance .................................................................. 36
5.3
PV inverter test ................................................................................................ 37
5.4
PV panel test ................................................................................................... 42
5.5
Measuring of environmental parameters ......................................................... 44
5.5.1
Operation with A 1378 PV Remote Unit ................................................................. 46
5.6
Uoc / Isc measurement.................................................................................... 46
5.7
I / V curve measurement ................................................................................. 48
5.8
Automatic measurement procedure according to IEC/ EN 62446 (Auto) ........ 50
5.9
Measurement of cell temperature before test .................................................. 52
