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JUPITER
IT - 1
Table of contents:
1.
PRECAUTIONS AND SAFETY MEASURES ............................................................... 2
1.1.
Preliminary instructions ..................................................................................................... 2
1.2.
During use ......................................................................................................................... 3
1.3.
After use ............................................................................................................................ 3
1.4.
Definition of Measurement (Overvoltage) category ........................................................... 3
2.
GENERAL DESCRIPTION ........................................................................................... 4
2.1.
Measuring average values andTRMS values .................................................................... 4
2.2.
Definition of true root mean square value and Crest factor ............................................... 4
3.
PREPARATION FOR USE ........................................................................................... 5
3.1.
Initial checks ...................................................................................................................... 5
3.2.
Instrument power supply ................................................................................................... 5
3.3.
Storage .............................................................................................................................. 5
4.
NOMENCLATURE ........................................................................................................ 6
4.1.
Description of the instrument ............................................................................................. 6
4.1.1.
Instrument’s initial screen ........................................................................................................... 6
4.2.
Description of function keys .............................................................................................. 7
4.2.1.
Key GO/HOLD ............................................................................................................................ 7
4.2.2.
Key H/H%/H
............................................................................................................................ 7
4.2.3.
Key MODE/MXMNPK ................................................................................................................. 8
4.2.4.
Keys
/
and
...................................................................................................................... 8
4.2.5.
Key RCDI
N/
.................................................................................................................... 8
4.2.6.
LoZ function ................................................................................................................................ 9
4.2.7.
AC+DC function .......................................................................................................................... 9
4.2.8.
Inrush current function (INRUSH) .............................................................................................. 9
4.2.9.
Disabling the Auto Power Off function ........................................................................................ 9
4.2.10.
Setting the contact voltage limit .................................................................................................. 9
4.2.11.
Setting the rated voltage in Loop/Ra measurement ................................................................. 10
4.2.12.
Setting full scale of flexible clamp ............................................................................................ 10
5.
OPERATING INSTRUCTIONS ................................................................................... 11
5.1.
DC voltage measurement ................................................................................................ 11
5.2.
AC, AC+DC voltage measurement ................................................................................. 12
5.3.
AC, DC, AC+DC voltage with low impedance (LoZ) ....................................................... 13
5.4.
Resistance measurement and continuity test .................................................................. 14
5.5.
Phase sequence and phase concordance with 1 terminal .............................................. 15
5.6.
Overall earth resistance without RCD tripping ................................................................ 17
5.7.
Measurement of Line/Loop impedance ........................................................................... 20
5.8.
Test on A and AC RCDs ................................................................................................. 24
5.9.
DC, AC, AC+DC, INRUSH current with clamp transducers ............................................ 29
6.
MAINTENANCE ......................................................................................................... 33
6.1.
Battery replacement ........................................................................................................ 33
6.2.
Cleaning the instrument .................................................................................................. 33
6.3.
End of life ........................................................................................................................ 33
7.
TECHNICAL SPECIFICATIONS ................................................................................ 34
7.1.
Technical characteristics ................................................................................................. 34
7.1.1.
General characteristics ............................................................................................................. 36
7.2.
Environmental conditions for use .................................................................................... 36
7.3.
Accessories ..................................................................................................................... 36
8.
ASSISTANCE ............................................................................................................. 37
8.1.
Warranty conditions ......................................................................................................... 37
8.2.
Assistance ....................................................................................................................... 37
9.
THEORETICAL APPENDIXES ................................................................................... 38
9.1.
Test on differential switches (RCD) ................................................................................. 38
9.2.
Overall earth resistance in TT systems ........................................................................... 39
9.3.
Loop and calculation of assumed short-circuit current .................................................... 40
9.4.
Voltage and current harmonics ....................................................................................... 41