17
18
5) According to the wire connection interface (Fig. 10), clamp L3 live wire, connect L3 live wire
with test lead from V terminal, and connect L2 live wire with test lead from COM terminal,
then press “HOLD” button to enter P2 measurement interface, as shown below:
The finger symbol on “HOLD” segment flashes to indicate pressing “HOLD” button to enter
phase-combined active power interface.
6) In P2 measurement interface, press “HOLD” button to read phase-combined active power,
press SELECT button to cyclically read phase-combined active power, P1 active power and
P2 active power, as shown below:
Second wire connection interface
Main display: Active power P2
Auxiliary display 1: P2 prompt
Auxiliary display 2: Voltage
Auxiliary display 3: Current
Second wire connection interface
Main display: Active power P1
Auxiliary display 1: P1 prompt
Auxiliary display 2: Voltage
Auxiliary display 3: Current
Phase-combined interface
Main display: Phase-combined active power P1+P2
Auxiliary display 1: Phase-combined prompt
Short press
4.4 3-phase 4-wire (3P4W) unbalance mode (Fig. 11)
L1
/
R
/
A
L2
/
S
/
B
N
L3
/
T
/
C
Red
Black
Power supply
AC 3-phase 4-wire power measurement (3P4W unbalance)
Load
Fig. 11
UT219P User Manual
UT219P User Manual
1) Connect red test lead (connected with red alligator clip already) with “V” terminal; and
black (connected with black alligator clip already) with “COM”.
2) Set the rotary switch to “3PW”, press “
Δ
/
” to select 3P4W unbalance mode, then the
clamp enters P1 wire connection interface, as shown below:
3P4W
“L1” on top right corner indicates the jaws clamp L1 live wire, “n” on bottom left corner
indicates test lead from COM terminal connects with neutral wire, “L1” on bottom right corner
indicates test lead from V terminal connects with L1 live wire. The finger symbol on “HOLD”
segment flashes to indicate pressing “HOLD” button to enter P1 measurement interface.
3) According to the wire connection interface (Fig. 11), clamp L1 live wire, connect L1 live wire
with test lead from V terminal, and connect neutral wire with test lead from COM terminal,
then press “HOLD” button to enter P1 measurement interface, as shown below:
The finger symbol on “HOLD” segment flashes to indicate pressing “HOLD” button to enter
P2 wire connection interface.
4) In P1 measurement interface, after the displayed value stabilizes, press “HOLD” button to
enter P2 wire connection interface, as shown below:
“L2” on top right corner indicates the jaws clamp L2 live wire, “n” on bottom left corner
indicates test lead from COM terminal connects with neutral wire, “L2” on bottom right corner
indicates test lead from V terminal connects with L2 live wire. The finger symbol on “HOLD”
segment flashes to indicate pressing “HOLD” button to enter P2 measurement interface.
