382095 V4.1 7/06
15
Measurement of a System with CT or VT (PT)
a.
Turn the power on. Press the POWER and the 1
Φ
3
Φ
buttons to select the 3P4W system.
The type of system will be displayed at the bottom right of the LCD.
b.
Connect the four test leads to the secondary voltage terminals L1, L2, L3 and the V
N
(Neutral)
of the system.
c.
Clamp on to the secondary coils of L1, L2, and L3. Make sure the current flows from the front
of the current probe to the back (see the arrow label on the clamp probe).
d.
Press SETUP to enter the SETUP menu.
e.
Press SETUP several times until the CT symbol is highlighted.
f. Press
the
▲
or
▼
button to increment or decrement the RATIO specified by the CT.
