Receptacle Branch Circuits
Monitoring Rapid Voltage Fluctuations
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Monitoring Rapid Voltage Fluctuations
Rapid voltage fluctuations in a distribution system may cause lights to flicker.
Deviations of only a few cycles (waveform periods) may result in visible
dimming.
The
SAGS & SWELLS function measures the rms voltage over each cycle and
displays deviations.
1
Open the main menu.
2
Select the desired recording time:
3
4
(for example)
5
Make connections as shown below:
SAGS & SWELLS
RECORD TIME
4 minutes
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