HT EASYTEST COMBI519 - Page 66

EASYTEST-COMBI519
EN - 66
5. Note the correct voltage values between L-N and L-PE as
shown in the screen to the side.
AUTO
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.
AUTO
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.
AUTO
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.
AUTO
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.