19
20
(As shown in Figure 6), connect one of V1, V2 & V3 ends which correspond to 3 phase locations
and 2 testing pens of COM end to firing line and zero line of measured wires during
measurement of 2 single-phase wires.
Figure 6 Power measurement of single-phase two-wire system
4
As shown in Figure 7-1, please select
SELECT
key to
select the 1st phase location when adopting three-phase
four-wire system for load so as to display active power,
voltage and current of phase location
1.
Figure
As shown in Figure 7-2, please press
key to
measure total three-phase power. Current measured power
of the 1st phase location also shall be calculated and
saved.
Figure
As shown in Figure 7-3, please press SELECT key to
select the 2nd phase location of
2. It also can display
active power, voltage and current of phase location of
2.
Figure
As shown in Figure 7-4, please press
key to
measure total three-phase power. Current measured
power of the 2nd phase location also shall be calculated
and saved.
Figure
As shown in Figure 7-5, please press SELECT key to
select the 3rd phase location. It also can display active
power, voltage and current of phase location of
3.
Figure
UT241/242/243 OPERATING MANUAL
UT241/242/243 OPERATING MANUAL