Fluke 434-II User Manual page 77

Use Cursor and Zoom to investigate details of the recorded Trends. Selection of channels
to be displayed is done with the up/down arrow keys. Press function key F1 to assign the
arrow keys to this.
The adjustment menu is reached via the SETUP key, F4 – MANUAL SETUP, F3 –
FUNCTION PREF., and F2 – INRUSH. You can set up the default values of the trigger
limits (expected inrush time, nominal current, threshold, hysteresis).
To set Offset and Span of the half cycle rms voltage and current Trend display press
SETUP key, F4 – MANUAL SETUP, F1 – TREND SCALE. For detailed information
see Chapter 24, FUNCTION PREFerences.
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THRESHOLD
(=TRIGGER)
pretrigger
rms during inrush
Figure 15-1. Inrush characteristics and relation with start menu
Fluke-Direct
DURATION
AMPLITUDE WINDOW
}
HYSTERESIS
t
inrush time
1
12.3 A
2 12.3 A
3
Inrush Trend Display
35 s
1.5 A
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1.800.868.7495
15
Inrush
15-3