SKF Microlog GX Series - Example of Z-Axis Even, Time and RPM Spacing (Left to Right); Example Blanking Settings of 0% and 1% (Left to Right)

Run Up / Coast Down Module
Displaying Acquired Data
Spectgm Disp. Setup menu options allow you to optimise the display by adjusting
settings that control how the processed spectra appear in the spectrogram plot. After
the spectrogram plot is displayed, these settings may be re-adjusted, without
reprocessing the spectra, using the plot’s Edit function button.
Options include:
Y-Axis – (Linear or Logarithmic) – Specify scaling for the plot’s Y-axis.
Z-Axis – (RPM, Timestamp, or Even Spacing) – Specify how to space the spectrogram
plot’s spectra:
RPM – spectra are spaced by speed increments.
Timestamp – spectra are spaced by time (seconds).
Even Spacing – spectra are spaced evenly from the first captured to the last
captured.
Figure 7 - 25.
Example of Z-Axis Even, Time and RPM Spacing (left to right).
Blanking – (0% - 25%) - Removes a specified percentage from the noise floor of each
spectrum. Helps clarify the presence of machine orders or structural frequencies.
Figure 7 - 26.
Example Blanking Settings of 0% and 1% (left to right).
7 - 24 SKF Microlog - GX Series
User Manual