Fluke 434 User Manual download pdf (Page 73)

Power Quality Monitoring

Bar Graph Screen16

16-7

Bar Graph Screen

Figure 16-4. Bar Graph Screen

The main system monitor display shows the worst harmonic for each of the three phases.

Function key F2 brings up a screen with Bar Graphs showing the percentage of time each

phase spent within limits for 25 harmonics and Total Harmonic Distortion (THD). Each

Bar Graph has a wide base (representing an adjustable limit of e.g. 95 %) and a narrow

top (representing the limit of 100 %). A Bar Graph changes from green to red if the limits

for that harmonic are violated.

Cursor: with the left/right arrow keys you can position the Cursor on a particular Bar

Graph and measuring data belonging to that bar is shown in the screen header.

Available function keys:

Selection of Bar Graphs belonging to phase A (L1), B (L2),

or C (L3).

Access to events table.

Access to Trend screen.

Return to main menu.

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Fluke 434 User Manual Page 73