FLUKE MDA-550/FPC User Manual for the Fluke MDA-550/FPC Motor Drive Analyzer with one-year Premium Care, 500 MHz, 4-channel

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ScopeMeter

Test Tool

How to Use the Test Tool

6. Use the cursor and E to select the Peak-Peak measurement.

Figure 6 shows an example of the screen with two readings. The character size will be reduced

when more than two readings are on.

Figure 6. Hz and V peak-peak as Scope Readings

Freezing the Screen

You can freeze the screen (all readings and waveforms) at any time.

1. Press

H to freeze the screen. HOLD appears at the right of the reading area. The key

illumination is on.

2. Press

H again to resume your measurement. The key illumination is off.

Average, Persistence and Glitch Capture

Using Average for Smoothing Waveforms

To smooth the waveform:

1. Press

P to show the SCOPE key labels.

2. Open the WAVEFORM OPTIONS menu with 4.

3. Use

g f to jump to Average:.

4. Use the cursor and E to select On... to open the AVERAGE menu.

5. Use the cursor and E to select Average factor: Average 64. This averages the

outcomes of 64 acquisitions.

6. Use the cursor and E to select Average: Normal (normal average) or Smart (smart

average, see below).

You can use the average functions to suppress random or uncorrelated noise in the waveform

without loss of bandwidth. Waveform samples with and without smoothing are shown in Figure 7.

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FLUKE MDA-550/FPC Motor Drive Analyzer with one-year Premium Care, 500 MHz, 4-channel