HT EASYTEST - Page 67

EASYTEST-COMBI519
EN - 67
5.
Note the correct voltage values between L-N and L-PE as
shown in the screen to the side.
A U T O 15/10 – 18:04
TN
Isc=--- A ZL-N=--- Ω
Ifc=--- A ZL-PE=---Ω
FREQ=50.00Hz
VL-N=232V VL-PE=231V
Ra
3Wire
16A
0.2s
FUNC
MODE
MCB-C
Time
6.
Press the GO/STOP key on the instrument, the START
key on the remote switch probe or use the AutoStart
feature (see § 5.1.5). The instrument starts the
measurement and the “Measuring…” message is shown
at display. During this whole stage, do not disconnect the
measuring leads of the instrument from the system under
test. The following screen appears on the instrument's
display.
A U T O 15/10 – 18:04
TN
Isc=--- A ZL-N=--- Ω
Ifc=--- A ZL-PE=---Ω
FREQ=50.00Hz
VL-N=232V VL-PE=231V
Measuring...
Ra
3Wire
16A
0.2s
FUNC
MODE
MCB-C
Time
7.
In case of positive result (Z
L-PE
≤ to limit impedance
relative to protection device within the specified
time – see § 12.10), the “OK” message and the screen to
the side are displayed by the instrument.
A U T O 15/10 – 18:04
TN
Isc=1365 A ZL-N=0.16Ω
Ifc=1213A ZL-PE=0.18Ω
FREQ=50.00Hz
VL-N=232V VL-PE=231V
OK
Ra
3Wire
16A
0.2s
FUNC
MODE
MCB-C
Time
8.
In case of negative result (Z
L-PE
> to limit impedance
relative to protection device within the specified
time – see § 12.10), the “NOT OK” message and the
screen to the side are displayed by the instrument.
A U T O 15/10 – 18:04
TN
Isc=89 A ZL-N=2.06Ω
Ifc=88A ZL-PE=2.08Ω
FREQ=50.00Hz
VL-N=232V VL-PE=231V
NOT OK
Ra
3Wire
16A
0.2s
FUNC
MODE
MCB-C
Time
9. Press the SAVE key to store the test result in the instrument’s memory (see § 7.1) or
the ESC/MENU key to exit the screen without saving and go back to the main
measuring screen.