MPI-536 – USER MANUAL
Press START to perform meas-
urement.
Read out the result.
Z
L-N
– the main result
I
k
– prospective short-circuit cur-
rent with signalling the fulfilment of
the acceptable loop criterion (sec-
tion 3.4.1, step ):
met
not met
assessment not possible
I
A
– current ensuring automatic
triggering of a selected protective
device within a required time
After selecting the bar on the
right side, a menu will show with
additional measurement results.
R – resistance of the tested circuit
X
L
– reactance of the tested circuit
U
L-N
– voltage relative to the neutral
conductor
f – frequency
Selecting the bar hides the
menu.
Save the measurement to the meter memory using the icon. A detailed description of
memory management is contained in section 5.3.
The last measurement can be recalled using the icon.
When many measurements are performed in short time intervals, the meter may emit a
large amount of heat. As a result of this, the housing of the device may become hot.
This is normal. In addition, the meter is equipped with the protection against excessive
temperature.
After approx. 15 consecutive measurements of the fault loop wait until the instrument
cools down. This limitation is due to the high current measurement and multifunctionali-
ty of the meter.
Minimum interval between successive measurements is 5 seconds. The displayed
message indicates that it is possible to perform another measurement. Until
the message is displayed, the meter prevents any measurements.
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