Fluke 435 user manual 13-2

Fluke 434/435

Users Manual

The Meter 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. Additional to unbalance percentages (relative reading), you can select absolute readings. See chapter 20, Function Preferences: Unbalance, ENTER, Function key F1, RELATIVE ON/OFF. The available readings depend on the selected wiring configuration.

Available function keys:

F3

F4

F5

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:

f F4

The figures in the Meter screen are instantaneous values that update constantly. Changes in these values over time are recorded whenever the measurement is active. All values in the Meter screen are recorded, but the Trends from each row in the Meter screen 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 Meter
F1
	screen for Trend display. The selected row is displayed in
	the screen header.

F2

F3

F4

Cursor on/off.

Assign the arrow keys to Cursor or Zoom operation.

Return to Meter screen.

	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

13-2