Fluke 434 - Manual (Page 45)

Harmonics
Table
10
10-3
Table
To access the Harmonics Table screen:
f F3
The table display shows 8 measurements per phase. Using the SETUP key and function
key F3 - FUNCTION PREF you can choose the table contents. For detailed information
see Chapter 18, FUNCTION PREFerences.
Available function keys:
F3 Return to Bar Graph screen.
F4 Access the Trend screen. For description see below.
F5 Switch between HOLD and RUN of screen update.
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.
Trend
To access the Harmonics Trend screen:
g F4
Trend shows how harmonics vary over time: Cursor and Zoom can be used to investigate
details. All values in the table are recorded, but the Trends from each row in the table are
displayed one at a time. Press function key F1 to assign the arrow keys to row selection.
Using the SETUP key and function key F3 - FUNCTION PREF you can choose
harmonics display as a percentage of fundamental voltage (%f) or of the total of
harmonic voltages (%r, total Vrms). Also the table contents can be selected in this menu.
For detailed information see Chapter 18, FUNCTION PREFerences.
Available function keys:
F1 Assign up/down arrow keys to select a row from the table
for Trend display.
F2 Cursor on/off.