HT COMBI521, Руководство пользователя

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COMBI521
EN - 2
TABLE OF CONTENTS
1. PRECAUTIONS AND SAFETY MEASURES ............................................................... 4
1.1. Preliminary instructions ..................................................................................................... 4
1.2. During use ......................................................................................................................... 5
1.3. After use ............................................................................................................................ 5
1.4. Definition of measurement (overvoltage) category ............................................................ 5
2. GENERAL DESCRIPTION ........................................................................................... 6
2.1. Instrument functions .......................................................................................................... 6
3. PREPARATION FOR USE ........................................................................................... 7
3.1. Initial checks ...................................................................................................................... 7
3.2. Instrument power supply ................................................................................................... 7
3.3. Storage .............................................................................................................................. 7
4. NOMENCLATURE ........................................................................................................ 8
4.1. Instrument description ....................................................................................................... 8
4.2. Description of measuring leads ......................................................................................... 8
4.3. Keyboard description ......................................................................................................... 9
4.4. Display description ............................................................................................................ 9
4.5. Initial screen ...................................................................................................................... 9
5. GENERAL MENU ....................................................................................................... 10
5.1. SET – Instrument settings ............................................................................................... 10
5.1.1. Language ............................................................................................................................... 10
5.1.2. Country ................................................................................................................................... 11
5.1.3. Electrical system .................................................................................................................... 11
5.1.4. General settings ..................................................................................................................... 12
5.1.5. Auto Start feature ................................................................................................................... 12
5.1.6. Date and time ......................................................................................................................... 12
5.1.7. Information ............................................................................................................................. 12
6. OPERATING INSTRUCTIONS ................................................................................... 13
6.1. AUTO: Automatic test sequence (Ra , RCD, M

) ......................................................... 13
6.1.1. Anomalous situations ............................................................................................................. 20
6.2. DMM: Digital multimeter function .................................................................................... 21
6.3. RPE: Continuity of protective conductors ........................................................................ 23
6.3.1. TMR mode ............................................................................................................................. 25
6.3.2. >

< mode ............................................................................................................................. 26
6.3.3. Anomalous situations ............................................................................................................. 27
6.4. Lo

: Continuity of protective conductors with 10A .......................................................... 28
6.4.1. Anomalous situations ............................................................................................................. 30
6.5. M

: Measurement of insulation resistance ..................................................................... 31
6.5.1. TMR mode ............................................................................................................................. 35
6.5.2. AUTO mode ........................................................................................................................... 36
6.5.3. Anomalous situations ............................................................................................................. 37
6.6. RCD: Test on differential switches .................................................................................. 39
6.6.1. AUTO mode ........................................................................................................................... 42
6.6.2. AUTO mode ....................................................................................................................... 43
6.6.3. x½, x1, x5 modes ................................................................................................................... 44
6.6.4. mode ................................................................................................................................. 45
6.6.5. Anomalous situations ............................................................................................................. 46
6.7. LOOP: Line/Loop impedance and overall earth resistance ............................................. 49
6.7.1. Test types ............................................................................................................................... 52
6.7.2. Test cable calibration (ZEROLOOP) ..................................................................................... 54
6.7.3. STD Mode – Generic test ...................................................................................................... 56
6.7.4. Br.Cap mode – Verification of the breaking capacity of protection devices .......................... 58
6.7.5. TripT - Verification of protection coordination ........................................................................ 60
6.7.6. Ra 2-wire test - Verification of protection against indirect contacts ................................... 62
6.7.7. Ra 3-wire test - Verification of protection against indirect contacts ................................... 64
6.7.8. Verification of protection against indirect contacts (IT systems) ........................................... 66
6.7.9. Verification of protection against indirect contacts (TT systems) .......................................... 68