Sonel WMGBMPI525 User Manual page 43

3.8 Checking sequence of phases
The arrow rotates
clockwise: correct
sequence of
phases;
the arrow rotates
counterclockwise:
incorrect sequence
of phases.
Connect the meter to the installation according to the drawing.
MPI-525 – USER MANUAL
Set the rotary
switch of
function selection
L L
1 1
L L L L
at position.
3 3 2 2
Phase-to-phase
voltages.
Signalling the
presence of
individual phases.
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