GSC60
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
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. Instrument description ....................................................................................................... 7
4.2. Description of measuring leads ......................................................................................... 7
4.3. Keyboard description ......................................................................................................... 8
4.4. Display description ............................................................................................................ 8
4.5. Initial screen ...................................................................................................................... 8
5. GENERAL MENU ......................................................................................................... 9
5.1. Instrument settings ............................................................................................................ 9
5.1.1. Language ................................................................................................................................. 9
5.1.2. Reference country .................................................................................................................. 10
5.1.3. Automatic Power OFF for display and key sound ................................................................. 10
5.1.4. System ................................................................................................................................... 10
5.1.5. Operator name entry .............................................................................................................. 11
5.1.6. System date/time setting ........................................................................................................ 11
5.2. Information ...................................................................................................................... 11
6. OPERATING INSTRUCTIONS ................................................................................... 12
6.1. RPE: Continuity of protective conductors ........................................................................ 12
6.1.1. Anomalous situations ............................................................................................................. 15
6.2. M: Measurement of insulation resistance ..................................................................... 16
6.2.1. Anomalous situations ............................................................................................................. 19
6.3. RCD: Test on differential switches .................................................................................. 20
6.3.1. AUTO mode ........................................................................................................................... 24
6.3.2. x½, x1, x2, x5 modes ............................................................................................................. 25
6.3.3. Mode x1 – Test on RCDs with delay time .............................................................................. 25
6.3.4. Mode ................................................................................................................................. 26
6.3.5. Test on earth leakage relay RCD .......................................................................................... 27
6.3.6. Anomalous situations ............................................................................................................. 28
6.4. LOOP: Line impedance/Loop and overall earth resistance ............................................. 31
6.4.1. Test types ............................................................................................................................... 33
6.4.2. STD Mode – Generic test ...................................................................................................... 35
6.4.3. Mode kA – Verify of breaking capacity of protection device .................................................. 37
6.4.4. Mode I
2
t – Verify of protection against short-circuit ............................................................... 39
6.4.5. Mode - Verify of protection coordination ..................................................................... 42
6.4.6. Mode - Verify of protection coordination – Norvay country ......................................... 44
6.4.7. Verify of protection against indirect contacts (TN system) .................................................... 46
6.4.8. Verify of protection against indirect contacts (IT systems) .................................................... 48
6.4.9. Verify of protection against indirect contacts (TT systems) ................................................... 49
6.4.10. Impedance measurement by means of the accessory IMP57 .............................................. 51
6.4.11. Anomalous situations ............................................................................................................. 53
6.5. SEQ: Phase sequence and phase concordance test ...................................................... 55
6.5.1. Anomalous situations ............................................................................................................. 58
6.6. LEAKAGE: Leakage current measurement and recording .............................................. 59
6.7. EARTH: Measurement of earth resistance ...................................................................... 62
6.7.1. 3-wire or 2-wire earth measurement and 4-wire ground resistivity ....................................... 62
6.7.2. 3-wire or 2-wire earth measure – USA, Extra Europe and Germany countries .................... 68
6.7.3. Earth measurement with optional clamp T2100 .................................................................... 71
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