Sonel MPI-540 User Manual

MPI-540 – USER MANUAL
34
The measurement screen will ap-
pear.
Live mode
U
L-N
– current voltage between
phase and neutral conductors
f – current frequency on the tested
object
Enter the measurement settings in accordance with section 3.4.1.
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.

Sonel MPI-540 Specifications

General

Brand	Sonel
Model	MPI-540
Category	Measuring Instruments
Language	English