Sonel MPI-520 - Page 19

MPI-520 OPERATING MANUAL version 3.4
17
Checking effectiveness of protection against electric shock of the meter housing in
case of: a) TN network b) TT network
0
a)
b)
L PE
The meter is
ready for meas-
urement.
Make measurement by pressing START
push-button.
Read out the re-
sult.
The result is displayed on the screen for 20s.
The result can be recalled by pressing ENTER push-button.
Remarks:
- Double lead measurement is possible when a test lead other that the lead with a mains socket is se-
lected.
- Remaining issues connected with the measurements as well as the messages displayed are the
same as those described for measurements in L-N circuit or L-L circuit.