Fluke 434 - Manual (Page 56)

Fluke 433/434
Users Manual
13-2
The table screen shows all relevant numerical values: negative voltage unbalance
percentage, zero sequence voltage unbalance percentage (in 4-wire systems), negative
current unbalance percentage, zero sequence current unbalance percentage (in 4-wire
systems), fundamental phase voltage, frequency, fundamental phase current, angle
between phase-neutral voltages relative to the reference phase A/L1 and angles between
voltage and current for each phase. The number of readings depends on the selected
wiring configuration.
Available function keys:
F3 Access Phasor screen. For description see below.
F4 Access 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 Unbalance trend screen:
f F4
The figures in the table are instantaneous values that update constantly. Changes in these
values over time are recorded whenever the measurement is active. 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. The Trend display may consist
of 6 screens.
Available function keys:
F1 Assign up/down arrow keys to select a row from the table
for Trend display. The selected row is displayed in the
screen header.
F2 Cursor on/off.
F3 Assign the arrow keys to Cursor or Zoom operation.
F4 Return to table screen.
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.