CONTENTS
1. INTRODUCTION .............................................................................4
1.1. Safety ................................................................................................................................ 4
1.2. Explanation of symbols on instrument .......................................................................... 4
1.3. General description ......................................................................................................... 5
1.4. Applied standards............................................................................................................ 6
1.5. Symbols used in this manual .......................................................................................... 6
2. DESCRIPTION OF THE INSTRUMENT .....................................7
2.1. Front panel and rear panel ............................................................................................. 7
2.2. Terminals.......................................................................................................................... 8
2.3. Keyboard and indicators ................................................................................................ 8
2.4. Included in the set ............................................................................................................ 9
2.5. Optional accessories ........................................................................................................ 9
3. PUTTING INTO OPERATION ................................................... 11
3.1. Connecting to mains outlet ........................................................................................... 11
3.2. Functionality test ........................................................................................................... 11
4. MEASUREMENTS ........................................................................ 13
4.1. Measurement mode control - the START key ......................................................... 13
4.1.1. Measurement mode ....................................................................................................... 13
4.1.2. HOLD function ............................................................................................................. 14
4.2. Earth bond 200 mA - R
PE
........................................................................................... 14
4.2.1. Test lead resistance compensation ............................................................................... 14
4.2.2. Earth bond measurement .............................................................................................. 15
4.3. Insulation resistance - R
ISO
........................................................................................ 16
4.4. Substitute leakage current - I
SUB
............................................................................... 17
4.4.1. Protective class I appliances ........................................................................................ 17
4.4.2. Protective class II appliances – substitute touch leakage current ............................... 18
4.5. PE current during operation - I
PE
and differential leakage current - I
............ 19
4.5.1. Protective class I one-phase appliances ....................................................................... 19
4.5.2. Three-phase and hard-wired appliances - EXT ......................................................... 21
4.6. Touch leakage current - I
D
......................................................................................... 22
4.6.1. Protective class II appliances ....................................................................................... 23
4.6.2. Protective class I appliances ........................................................................................ 24
4.7. Mains voltage and current consumption – U, I ........................................................ 25
4.7.1. Mains voltage measurement ......................................................................................... 26
4.7.2. Current consumption measurement .............................................................................. 26
4.7.3. Current measurement by means of current clamp - EXT .......................................... 27
4.8. Active power consumption, apparent power consumption and cos – P, S ......... 28