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
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