PV-ISOTEST
EN - 1
TABLE OF CONTENTS
1.
PRECAUTIONS AND SAFETY MEASURES ............................................................... 3
1.1.
Preliminary instructions ..................................................................................................... 3
1.2.
During use ......................................................................................................................... 4
1.3.
After use ............................................................................................................................ 4
1.4.
Definition of measurement (overvoltage) category ............................................................ 4
2.
GENERAL DESCRIPTION ........................................................................................... 5
2.1.
Foreword ........................................................................................................................... 5
2.2.
Instrument functions .......................................................................................................... 5
3.
PREPARATION FOR USE ........................................................................................... 6
3.1.
Initial checks ...................................................................................................................... 6
3.2.
Instrument power supply ................................................................................................... 6
3.3.
Storage .............................................................................................................................. 6
4.
NOMENCLATURE ........................................................................................................ 7
4.1.
Description of the instrument ............................................................................................. 7
4.2.
Keyboard description ......................................................................................................... 8
4.3.
Display description ............................................................................................................ 8
4.4.
Initial screen ...................................................................................................................... 8
5.
GENERAL MENU ......................................................................................................... 9
5.1.
SET – instrument settings ................................................................................................. 9
5.1.1.
Language ................................................................................................................................. 9
5.1.2.
Date and time ........................................................................................................................... 9
5.1.3.
General .................................................................................................................................. 10
5.1.4.
Info ......................................................................................................................................... 10
6.
OPERATING INSTRUCTIONS ................................................................................... 11
6.1.
RPE – Continuity measurement on modules/strings/PV fields ........................................ 11
6.1.1.
Calibration of measuring cables ............................................................................................ 11
6.1.2.
Carrying out continuity measurements in Standard (STD) mode .......................................... 13
6.1.3.
Carrying out continuity measurements in Timer (TMR) mode ............................................... 15
6.1.4.
Anomalous situations ............................................................................................................. 17
6.2.
M
– Measurement of insulation on PV modules/strings/fields ...................................... 18
6.2.1.
Measuring insulation – DUAL mode ...................................................................................... 18
6.2.2.
Measuring insulation – TMR mode ........................................................................................ 20
6.2.3.
Anomalous situations ............................................................................................................. 23
6.3.
GFL – Searching for conditions of low insulation on PV strings ...................................... 25
6.4.
DMM – Multimeter function ............................................................................................. 29
7.
STORING RESULTS .................................................................................................. 30
7.1.
Saving measures ............................................................................................................. 30
7.2.
Recall of data to display and memory deletion ................................................................ 31
8.
CONNECTING THE INSTRUMENT TO THE PC ....................................................... 32
9.
MAINTENANCE .......................................................................................................... 33
9.1.
General information ......................................................................................................... 33
9.2.
Battery replacement ........................................................................................................ 33
9.3.
Cleaning the instrument .................................................................................................. 33
9.4.
End of life ........................................................................................................................ 33
10.
TECHNICAL SPECIFICATIONS ................................................................................. 34
10.1.
Technical characteristics ................................................................................................. 34
10.2.
General characteristics .................................................................................................... 35
10.2.1.
Reference gudelines .............................................................................................................. 35
10.2.2.
Display and memory .............................................................................................................. 35
10.2.3.
Power supply ......................................................................................................................... 35
10.2.4.
Mechanical characteristics ..................................................................................................... 35
10.3.
Environmental conditions for use .................................................................................... 35
10.4.
Accessories ..................................................................................................................... 35
11.
APPENDIX – THEORETICAL OUTLINE .................................................................... 36
11.1.
Measurement of polarization index (PI) ........................................................................... 36