HT instruments SPEED418 User Manual
Page 2
400
Series
EN - 1
Table of contents:
1.
SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 4
1.1.
Preliminary instructions ..................................................................................................... 4
1.2.
During use ......................................................................................................................... 4
1.3.
After use ............................................................................................................................ 5
1.4.
Overvoltage categories - definitions .................................................................................. 5
2.
GENERAL DESCRIPTION ........................................................................................... 6
2.1.
Introduction ........................................................................................................................ 6
2.2.
Instrument operation ......................................................................................................... 6
3.
PREPARATION FOR USE ........................................................................................... 7
3.1.
Initial checks ...................................................................................................................... 7
3.2.
Instrument power supply ................................................................................................... 7
3.3.
Calibration ......................................................................................................................... 7
3.4.
Storage .............................................................................................................................. 7
4.
OPERATION DESCRIPTION ....................................................................................... 8
4.1.
Instrument description ....................................................................................................... 8
4.2.
Backlighting ....................................................................................................................... 8
4.3.
Keyboard description ......................................................................................................... 9
4.4.
Display description ............................................................................................................ 9
4.5.
Initial screen ...................................................................................................................... 9
5.
MAIN MENU ............................................................................................................... 10
5.1.
AUTO ÷ PWR .................................................................................................................. 10
5.2.
SET – Instrument settings ............................................................................................... 10
5.2.1.
Language ............................................................................................................................... 10
5.2.2.
Auto power off ........................................................................................................................ 11
5.2.3.
Nominal voltage ..................................................................................................................... 11
5.2.4.
Frequency .............................................................................................................................. 11
5.2.5.
System ................................................................................................................................... 11
5.3.
MEM ................................................................................................................................ 11
6.
ELECTRICAL SYSTEM TEST .................................................................................... 12
6.1.
AUTO .............................................................................................................................. 12
6.1.1.
Description of anomalous results ........................................................................................... 14
6.2.
LOWOHM: Continuity test of earth leads with 200mA .................................................... 16
6.2.1.
CAL mode .............................................................................................................................. 18
6.2.2.
Description of anomalous results ........................................................................................... 19
6.3.
M
: Measurement of the insulation resistance ............................................................... 21
6.3.1.
Description of anomalous results ........................................................................................... 23
6.4.
RCD: Test on A-type and AC-type RCDs ........................................................................ 25
6.4.1.
AUTO mode ........................................................................................................................... 27
6.4.2.
x½ mode ................................................................................................................................ 28
6.4.3.
x1, x2, x5 mode ...................................................................................................................... 29
6.4.4.
mode ................................................................................................................................. 29
6.4.5.
RA mode ................................................................................................................................ 30
6.4.6.
Description of anomalous results ........................................................................................... 31
6.5.
LOOP: Measurement of Line/Loop impedance ............................................................... 35
6.5.1.
P-N mode ............................................................................................................................... 37
6.5.2.
P-P mode ............................................................................................................................... 38
6.5.3.
P-PE mode in TT or TN systems ........................................................................................... 39
6.5.4.
P-PE mode in IT systems ...................................................................................................... 40
6.5.5.
Description of anomalous results ........................................................................................... 40
6.6.
R
A
15mA: measurement of the total earth resistance through the socket-outlet ............. 43
6.6.1.
Description of anomalous results ........................................................................................... 45
6.7.
123: Phase sequence test ............................................................................................... 48
6.7.1.
Description of anomalous results ........................................................................................... 51
7.
AUXILIARY MEASUREMENTS .................................................................................. 52
7.1.
AUX: real time measurement of the environmental parameters ..................................... 52
7.1.1.
dB mode ................................................................................................................................. 53