Fluke 434 User Manual download pdf (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:

Access Phasor screen. For description see below.

Access Trend screen. For description see below.

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:

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:

Assign up/down arrow keys to select a row from the table

for Trend display. The selected row is displayed in the

screen header.

Cursor on/off.

Assign the arrow keys to Cursor or Zoom operation.

Return to table screen.

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.

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Fluke 434 User Manual Page 56