3 Measurements
The following tests are available from the Measurements menu:
fault loop impedance(Z
L-N
, Z
L-PE
, Z
L-PE[RCD]
with RCD),
insulation resistance R
ISO
,
RCD efficiency (operating current RCD I
A
and operate time RCD t
A
),
resistance R
X
,
continuity of connections R
CONT
,
phase sequence 1-2-3,
direction of motor rotations U-V-W,
resistance-to-earth R
E
,
soil resistivity Ωm,
illuminance Lux.
WARNING
During measurements (fault loop, RCD), do not touch conductive accessible or
foreign parts of the tested electrical installation.
The content of this chapter should be thoroughly familiarized with. It describes the
meter circuits, the methods of measurements and basic principles concerning
interpretation of measurement results.
A progress bar is displayed during long measurements.
The result of the last measurement is displayed until:
o next measurement starts,
o measurement parameters are changed,
o measurement function is changed,
o the meter is switched off.
The last measurement can be recalled using the icon.
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