Satec PM175 Manual User Manual download pdf (Page 132)

Chapter 4 PAS Application Software

Viewing Recorded Files

132

Series PM175 Powermeters

Selecting Waveform Channels

To select the channels you want to view on the screen, click

on the waveform window with the right mouse button, select

“Channels...”, check the channels you want displayed, and

then click OK.

Using the Marker Lines

Waveform and RMS panes have two blue dashed marker

lines. The left marker indicates the position from where data is

taken to calculate the harmonics spectrum and phasor

diagrams, and as the starting position for calculating the RMS,

average and peak values. The right marker indicates the end

position for calculating the RMS, average and peak values.

The minimum distance between the two markers is exactly

one cycle.

To change the marker position, click on the button, or click

on the waveform window with the right mouse button and

select Set Marker, and then click on the point where you want

to put the marker. You can drag both markers with the mouse,

or use the right and left arrow keys on your keyboard to

change the marker position. Click on the waveform pane to

allow the keyboard to get your input before using the

keyboard.

Delta Measurements

To measure the distance between two waveform points, click

on the Delta button , then click on one point, and then click

on the second point. The first reference point is still frozen until

you close and reopen Delta, while the second point can be

placed anywhere within the waveform line. You can measure a

delta in both directions. To disable the Delta, click on the Delta

button once again.

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Satec PM175 Manual User Manual Page 132