METREL EurotestPV Lite MI 3109 User Manual

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

METREL EurotestPV Lite MI 3109 Specifications

General

Brand	METREL
Model	EurotestPV Lite MI 3109
Category	Measuring Instruments
Language	English