Gx
Series
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 .......................................................................................................... 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.
Instrument settings .......................................................................................................... 10
Language ............................................................................................................................... 10
5.1.1.
Reference country .................................................................................................................. 11
5.1.2.
Automatic Power OFF for display and key sound .................................................................. 11
5.1.3.
System ................................................................................................................................... 11
5.1.4.
Operator name entry .............................................................................................................. 11
5.1.5.
System date/time setting ........................................................................................................ 12
5.1.6.
Information ............................................................................................................................. 12
5.1.7.
6.
OPERATING INSTRUCTIONS ................................................................................... 13
6.1.
RPE: Continuity of protective conductors ........................................................................ 13
Anomalous situations ............................................................................................................. 17
6.1.1.
6.2.
M
: Measurement of insulation resistance ..................................................................... 18
AUTO or L-PE Timer mode .................................................................................................... 20
6.2.1.
AUTO L/N-PE mode .............................................................................................................. 22
6.2.2.
Anomalous situations ............................................................................................................. 24
6.2.3.
6.3.
RCD: Test on differential switches .................................................................................. 25
AUTO mode ........................................................................................................................... 29
6.3.1.
AUTO+ mode ..................................................................................................................... 30
6.3.2.
x½, x1, x2, x5 modes ............................................................................................................. 31
6.3.3.
Mode x1 – Test on RCDs with delay time .............................................................................. 31
6.3.4.
Mode
................................................................................................................................. 32
6.3.5.
Test on earth leakage relay RCD........................................................................................... 33
6.3.6.
Anomalous situations ............................................................................................................. 34
6.3.7.
6.4.
LOOP: Line impedance/Loop and overall earth resistance ............................................. 37
Test types ............................................................................................................................... 39
6.4.1.
6.4.2
Test leads calibration (ZEROLOOP) ..................................................................................... 41
6.4.3
STD Mode – Generic test ...................................................................................................... 43
Mode kA – Verify of breaking capacity of protection device .................................................. 44
6.4.4.
Mode I
2
t – Verify of protection against short-circuit ............................................................... 46
6.4.5.
Mode
- Verify of protection coordination ..................................................................... 49
6.4.6.
Mode
- Verify of protection coordination – Norvay country ......................................... 51
6.4.7.
Verify of protection against indirect contacts (TN system) .................................................... 53
6.4.8.
Verify of protection against indirect contacts (NoTrip test) ................................................ 55
6.4.9.
Verify of protection against indirect contacts (No Trip test – UK Country) ............................ 57
6.4.10.
Verify of protection against indirect contacts (IT systems) .................................................... 59
6.4.11.
Verify of protection against indirect contacts (TT systems) ................................................... 60
6.4.12.
Impedance measurement by means of the accessory IMP57 ............................................... 62
6.4.13.
Anomalous situations ............................................................................................................. 64
6.4.14.