MPI-506 – USER MANUAL
The meter is ready for measurement.
Phase conductor length or the symbol.
U
L-PE
voltage
Press START to perform the measurement.
The remaining measurement issues are analogous to the ones described for the measurements
in the L-N or L-L systems.
A double-lead measurement is possible when selecting the test lead other than with
the socket adapter.
Additional information displayed by the meter
Meter ready for measurement
Voltage on the meter L and N terminals is out of range for
which the measurement can be made.
Voltage on the meter L and PE terminals is out of range
for which the measurement can be made.
Incorrect or unstable power grid frequency.
Measurement error – loss of voltage after the measure-
ment.
Short-circuit loop of the meter is faulty.
N conductor not connected.
Message (displayed after the measurement) indicates sig-
nificant disturbances in the mains during measurement.
The measurement result may include a large, unspecified
error.
Temperature inside the meter has exceeded the allowed
limit. The measurement is blocked.
The L and N conductors are switched (voltage between the
PE and N conductors).
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