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Measurement Method
6.6
∆
V10 Flicker
99
7.
Viewing measurement data
Checking recording conditions with the fluctuation graph
(1) Checking the deviation of voltage fluctuations with respect to
a standard voltage
INTERVAL
The vertical and horizontal scales of the fluctuation graph change auto
matically during recording.
If you want to change the vertical scale, you can do so while recording
is in progress; however, you must first stop recording if you want to
change the horizontal scale.
Voltage fluctuation value (∆U) are sampled at 256 points per cycle, and
are calculated without any gaps for one wave shifted over half a wave.
You can record MAX and MIN values from RMS voltage data every half
wave over the set interval.
Example: When the interval is set to 1 s:
The MAX and MIN values are recorded from 100 points of half wave
voltage data. (At 50 Hz.)
Recording start time
Shows the MAX and
MIN real-time values.
The MAX and MIN val-
ues are recorded to-
gether.
When 3P3W3M setting:
Red: CH1
Yellow: CH2
Blue: CH3
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