HT instruments SIRIUS87 User Manual
Page 3

SIRIUS
87
EN - 1
Table of contents:
1.
SAFETY PRECAUTIONS AND PROCEDURES ......................................................... 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.
Functions ........................................................................................................................... 5
2.2.
Instrument description ....................................................................................................... 6
3.
PREPARATION FOR USE .......................................................................................... 7
3.1.
Initial checks ...................................................................................................................... 7
3.2.
Power supply ..................................................................................................................... 7
3.3.
Calibration .......................................................................................................................... 7
3.4.
Storage .............................................................................................................................. 7
3.5.
Set language and measurement unit ................................................................................. 8
4.
DESCRIPTION OF THE ROTARY SWITCH FUNCTIONS ......................................... 9
4.1.
LOW
: Continuity test of earth conductors with 200mA ................................................... 9
4.1.1.
Mode "CAL" ............................................................................................................................... 10
4.1.1.1.
Procedure to cancel calibration parameters and cal symbol ................................................................. 11
4.1.2.
Continuity measurement mode "AUTO", "R+TIMER", "R-TIMER" ............................................ 12
4.1.2.1.
Mode "AUTO" ....................................................................................................................................... 13
4.1.2.2.
Mode "R+TIMER" or “R-TIMER" ........................................................................................................... 13
4.1.3.
Anomalous cases during "AUTO", "R+TIMER", "R-TIMER" tests ............................................. 14
4.2.
M
: Insulation resistance measurement ......................................................................... 15
4.2.1.
Procedure to measure insulation resistance in any modes ....................................................... 16
4.2.1.1.
Mode "MAN" ......................................................................................................................................... 17
4.2.1.2.
Mode "TIMER" ...................................................................................................................................... 18
4.2.2.
Special cases which may occur during the tests "MAN", "AUTO", "TIMER" ............................. 19
4.3.
RCD
RCD
: Tests on RCDs type A or AC ..................................................... 20
4.3.1.
Measurement procedure for RCD test valid for all the working modes ..................................... 23
4.3.1.1.
Mode "MAN x½" ................................................................................................................................... 24
4.3.1.2.
Mode "MAN x1, x2, x5" ......................................................................................................................... 25
4.3.1.3.
Mode "AUTO" ....................................................................................................................................... 26
4.3.1.4.
Mode "RAMP
" ................................................................................................................................ 27
4.3.1.5.
Mode "U
t
" .............................................................................................................................................. 28
4.3.2.
Tripping times for the general and selective RCDs ................................................................... 28
4.3.3.
Anomalous cases which may occur during the RCD tests in any working mode ..................... 29
4.4.
LOOP
: Loop impedance, fault current and phase sequence test ............................... 33
4.4.1.
High resolution Impedance measurement (0.1m
) .................................................................. 34
4.4.2.
Mode "P-N" ................................................................................................................................ 34
4.4.3.
Mode "P-P" ................................................................................................................................ 36
4.4.4.
Mode "P-PE" .............................................................................................................................. 37
4.4.5.
Mode "
" ................................................................................................................................ 39
4.4.6.
Anomalous cases which may occur during LOOP
tests in any working mode .......................... 40
4.4.7.
Anomalous cases which may occur during phase sequence tests ........................................... 43
4.5.
R
a15mA
: Global earth resistance measurement ............................................................ 45
4.5.1.
Anomalous cases which may occur during R
A15mA
tests...................................................... 47
4.6.
EARTH
: Earth resistance and soil resistivity measurement.......................................... 50
4.6.1.
Measurement procedure for "2P" test mode ............................................................................. 51
4.6.1.1.
Earth resistance measurement from a socket ...................................................................................... 53
4.6.2.
Measurement procedure for "3P" test mode ............................................................................. 54
4.6.3.
Measurement procedure for "
" test mode ................................................................................ 56
4.6.4.
Anomalous cases which may occur during EARTH
tests ...................................................... 58
5.
OPERATION WITH MEMORY .................................................................................. 60
5.1.
Saving results .................................................................................................................. 60
5.2.
Recall result at display ..................................................................................................... 61
5.3.
Clear memory .................................................................................................................. 62
6.
RESET OF THE INSTRUMENT ................................................................................ 63
6.1.
Reset procedure .............................................................................................................. 63
6.2.
Default parameters .......................................................................................................... 63