Viewing A Frequency Plot; Viewing A Spectrum Chart - Satec Expertmeter EM720 Operation Manual

Chapter 9 Viewing Log Files and Reports

Viewing a Frequency Plot

Viewing a Spectrum Chart

EM720 Power Quality and Revenue Meter
To view a cycle-by-cycle frequency plot of the sampled
voltage waveforms, click on the
Click on the button to view a spectrum chart for the
selected waveform channel. To change a channel, click on
the window with
"Channels...", check the channel you want displayed, and
then click OK. PAS provides voltage, current, active power
and reactive power spectrum charts.
A spectrum is calculated over four cycles of the waveform
beginning from the point where the left marker line is
located in the open waveform view. If both waveform
views are open, PAS gives the priority to the overlapped
waveform view.
Viewing Waveforms
button.
the right mouse button, select
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