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Measurement Method
6.4 Monitoring Interruptions
85
9.
Viewing measurement data
(1) Checking recording conditions with the fluctuation graph
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.
The change in voltage display settings 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.)
You can confirm the contents of settings (SYSTEM-DF2) and waveform
display (VIEW-DF1/2/3/4) during recording, but you cannot change
them.
When you want to change the settings, you must stop recording first.
Recording start time
Shows the MAX and
MIN real-time values.
The MAX and MIN val-
ues are recorded to-
gether.
Displays a time series
graph in red only for
single-phase 2-wire
settings (effective for
CH1 only).
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