MPI-535
– BRIEF USER MANUAL
13
Select item
Z
L-PE[RCD]
.
Select other settings and perform the measurement using the
START
button on the device.
3.2.4
Measurement of fault loop impedance in IT networks
Before performing the measurements select the appropriate network type in the
Measurement
settings
menu.
NOTE!
After selecting an IT type network, the function of the contact electrode is
inactive
.
When attempting to perform the
Z
L-PE
and
Z
L-PE[RCD]
measurement a message will
appear informing that the measurement is impossible.
The manner of connecting the device to the installation is shown in
The manner of performing the fault loop measurements is described in
section 3.2.1
Operating voltage range:
95 V … 440 V
.
Fig. 3.6 Measurement in the IT
system