Events - Fluke 434-II User Manual

Cursor. When the Cursor is on, the Trend values at the Cursor are displayed in the screen
header. Moving the Cursor off the left or right side of the screen brings the next screen
into the viewing area.
Zoom. Allows you to expand or shrink the display vertically or horizontally to view
details or to fit a complete graph within the screen area. Zoom and Cursor are operated by
the arrow keys and explained in Chapter 23.
Cursor is active in Hold mode only.
Offset and Span of the Trends are auto ranging for a good display in almost al cases. If
desired, you can change Offset and Span of active measurements. Press in sequence:
the SETUP key, F4 – MANUAL SETUP, F1 – TREND SCALE. Use the up/down arrow
keys to select the item to be adjusted and the left/right arrow keys to adjust. There are
separate adjustments for PHASE and NEUTRAL (to be selected with Function key F3).
See Chapter 24 for more information.

Events

To access the VOLTS/AMPS/HERTZ Events screen:
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 and Limits. For detailed information see Chapter 24, Limits
Adjustments.
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
CHG
DIP
INT
SWL
TRA
AMP
info@Fluke-Direct.ca
Switch between HOLD and RUN of screen update.
F5
Switching from HOLD to RUN invokes a menu to select
immediate (NOW) or TIMED start time which allows you
to define start and duration of the measurement.
F4
Description
Rapid Voltage Change
Voltage Dip
Voltage Interruption
Voltage Swell
Transient
Amp value exceeded
Fluke-Direct
Symbol Description
Rising voltage edge
Falling voltage edge
Change upwards
Change downwards
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8
Volts/Amps/Hertz
Events
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