Hioki 3196 - Chapter 5 Using Waveforms, Vectors, DMMs, and Bar Graphs (VIEW Screen)

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Measurement Method
6.1 Checking Three-phase Systems
59
3.
Connecting to the lines to be measured
Source side
S
O
U
R
C
E
L
O
A
D
Load side
A
B
C
Black
Red
Yellow
Black
Blue
Black
Face the arrow toward
the Load
3P3W3M
U- U+ U- U+ U- U+
U- U+
U INPUT
I INPUT
CH1 CH2 CH3 CH4CH1 CH2 CH3 CH4
• Is the voltage displayed for CH1, CH2, and CH3 approximately 400 V?
• Is the current displayed for CH1, CH2, and CH3 approximately 50A?
• Is the active power displayed for CH1, CH2, and CH3 a positive
value?
When using the 9264-01
WIRING ADAPTER, the
black cords are not required.
Confirm the connec-
tion on the screen.
• Check that the voltage cord for the channel that is displaying the nega
-
tive value is connected properly.
• Check that the clamp-on sensor for the channel that is displaying the
negative value is clamped to the power line so that it points in the
direction of the Load (current direction display).
WIRING
Connect the 3196 to
the measured power
line while viewing the
connection diagram.
Remedy
When a negative value is displayed for active power
A/B/C: Line