9
OPERATION
To determine the correct phase relationship between two energized
conductors, the following procedure should be followed:
●
First,
Check that each Phase to be compared is individually
energized
.
1. With one handle held in each hand, touch one bare conductor
(first phase which will be compared later) with one contact
electrode and touch the earth with the other contact electrode.
2. The Neon will operate and the meter pointer will indicate the
Red out-of-phase band indication which indicate that this
phase is energized. The voltage scale will indicate the voltage
phase-to-Earth or/and the percentage of the full scale.
3. Repeat the operation 1 and 2 with the other bare conductor (the
other phase to be compared later) so that it is known that both
Conductors are energized.
●
Now, you should know if both conductors are energized because
you will have read the voltage Phase-to-Earth of both conductors.
●
If both phases are not energized, then, the remedial action will
have to be carried out before proceeding to the next stage of the
test.
●
Compare the Phases
.
●
If both Phases are energized (after checking between Phase and
Earth that they are energized) proceed to compare between the
phases.
●
Now touch each bare conductor (each phase to compare) with a
contact Electrode.
●
If the conductors (Phases) are
in-phase
, the
neon will not light
up
and the
meter pointer will not operate
or the meter pointer
will stay in the Green
band.
●
If the conductors (Phases) are
out-of-phase
, the
neon will
illuminate
and the
meter pointer will operate
or the meter
pointer
will go in the Red
band.
