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Dips & Swells
Events Tables 9
9-5
Events Tables
To access the Dips & Swells Events Tables:
f
F4
The Events table lists all threshold crossings of phase voltages. Thresholds according to
international standards or user-definable thresholds can be used. Threshold adjustment is
reached via the SETUP key, F4 – MANUAL SETUP and Limits. For detailed
information see Chapter 24, Limits Adjustments.
With the Analyzer in HOLD mode you can see event details in the modes WAVE
EVENT and RMS EVENT. With the up/down arrow keys you can select a certain event
in the table.
WAVE EVENT (in Fluke 435-II and 437-II) gives oscilloscope style waveforms of the
selected event. The event is in the horizontal mid of screen.
RMS EVENT (in Fluke 435-II and 437-II) gives a trend display with the event in the mid
of screen (provided that there is sufficient data available after the event).
In Normal mode major event characteristics are listed: start time, duration, and voltage
magnitude. Detail shows details of threshold crossings per phase.
The following Abbreviations and Symbols are used in the tables:
Abbreviation Description Symbol Description
CHG Rapid Voltage Change Rising voltage edge
DIP Voltage Dip Falling voltage edge
INT Voltage Interruption Change upwards
SWL Voltage Swell Change downwards
TRA Transient
AMP Amp value exceeded
Available function keys:
F1
Access to WAVE EVENT display.
F2
Access to RMS EVENT display.
F3
Switch between NORMAL and DETAILED event table.
F4
Return to Trend screen.
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