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Phase voltage measurement (reference values)
The display will indicate V
a 3-phase circuit is measured, the three phase voltage values will
be shown on the display. However, since the neutral line cannot
be measured, the displayed values indicate each phase's voltage
relative to the ground using the virtual neutral point (ground) as the
reference.
The displayed phase voltages are reference values whose
accuracy is not guaranteed.
Press and hold
Measuring Line Voltages in a 3-phase Circuit
, V
, and V
(or V
R
S
T
1
Display the Line Voltage
Measurement screen.
(The Line Voltage Measurement
screen is displayed first when the
instrument turns on.)
2
Press and hold MODE.
(The Phase Voltage Measurement
screen will be displayed.)
3
Check the displayed values.
The display will indicate
voltage is less than 30.0 V or
phase voltage exceeds 400.0 V.
4
Press MODE.
(The Line Voltage Measurement
screen will be displayed.)
, V
, and V
). When
1
2
3
[Lo]
if the phase
[ovEr]
1
2
3
4
5
6
if the
7
付
録
索
引
31
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