Fluke 434 User Manual download pdf (Page 24)

Fluke 433/434

Users Manual

5-2

Phase Colors

Measuring results belonging to different phases are presented with individual colors. If

for a certain phase voltage and current are displayed simultaneously, the voltage color has

a dark tone and the current has a light tone. The set of phase colors can be chosen via the

SETUP key and function key F4 – USER PREF. For detailed information see Chapter 18.

Screen Types

Below you will find a brief description of each screen type and its purpose. The

measuring mode it is used for is given as well as the manual chapter with detailed

information. Bear in mind that the amount of screen information depends on the number

of phases and the wiring configuration. Refer to Figure 5-1, item 1 ... 5.

Table screen: gives an instantaneous overview of a big number of

important numerical measuring values. Used for: Volts/Amps/Hertz

(Chapter 8), Dips & Swells (Chapter 9), Harmonics (Chapter 10),

Power & Energy (Chapter 11), Flicker (Chapter 12), Unbalance

(Chapter 13), and Power Quality Monitoring (Chapter 16).

Trend screen: this type of screen is related to a table screen. Trend

shows the course over time of measuring values from the table. After

selection of a measuring mode, the Analyzer starts recording all

readings in the table. Used for: Volts/Amps/Hertz (Chapter 8), Dips &

Swells (Chapter 9), Power & Energy (Chapter 11), Flicker (Chapter

12), and Inrush Currents (Chapter 15).

Waveform screen: shows voltage and current waveforms as displayed

on an oscilloscope. Channel A (L1) is reference channel and 2 complete

cycles starting at 0 volt are displayed. The nominal voltage and

frequency determine the measuring grid size. Used for: Scope

Waveform (Chapter 7) and Transients (Chapter 14).

Phasor screen: shows the phase relation between voltages and currents

in a vector diagram. The vector of reference channel A (L1) points to

the positive horizontal direction. The A (L1) amplitude is also reference

for the measuring grid size. Used for: Scope Phasor (Chapter 7) and

Unbalance (Chapter 13).

Bar Graph screen: shows the density of each measuring parameter as a

percentage by means of a Bar Graph. Used for: Harmonics (Chapter 10)

and Power Quality Monitor (Chapter 16).

Screen information common for all screen types

Refer to Figure 5-1, item A ... F.

Measuring mode: the active measuring mode is shown in the screen

header.

Measuring values: main numerical measuring values. Background

colors differ per phase and for voltage or current. If Cursor is on, the

values at the Cursor are shown.

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 121 122

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