EN-19
a. If it displays "
1.2.3
"
,
then the phase sequence is a
forward
sequence
, which means the supposed phase 1 is ahead of
the supposed phase 2.
b. If it displays "
3.2.1
", then the phase sequence is
reversed
sequence
, which means the supposed phase 2 is ahead of
the supposed phase 1.
c. If the display shows "
----
" means it is unable to judge.
d. If the display shows "
Lo V
", it is possible the test leads
were removed before the instrument could determine the
correct sequence. Repeat the test.
6. Press Blue button to repeat the test.
5. °C/°F Measurement