Sonel MPI-540 - Phase sequence and motor rotation

MPI-540 – USER MANUAL
104
3.10 Checking sequence of phases
Select item Phase sequence, to
call up the measurement screen.
Connect the meter to the installation according to the drawing.
The meter ready for testing.
U
L1-L2
, U
L2-L3
, U
L3-L1
values of phase-to-phase voltag-
es
signalling the presence of indi-
vidual phases