Run Up / Coast Down Module
Displaying Acquired Data
Speed Interval (RPM, %, or NA, as specified by the Spacing setting) – If applicable,
specifies the speed interval (in RPM or % of RPM) used when FFT spectra are calculated
from the recording.
Time Interval (sec or NA, as specified by the Spacing setting) – If applicable, specifies
the time interval (in seconds) used when FFT spectra are calculated from the recording.
Display Units (Accel (g), Accel (m/s
2
), Vel (mm/s), Vel (ips), Disp (mils), Disp (
m)) –
If necessary, allows integration of the recorded signal to specified measurement units
for display purposes.
Detection – (RMS, Peak, PkPk) – Specifies Detection type for display purposes.
Lines – Specify the FFT lines of resolution, typically 400 lines. Note that higher
resolution settings cause longer delays before waterfall plot display.
X-Axis – (Hz, CPM, or Orders) – Specify the plot’s frequency / x-axis units. Determines
units for subsequent Freq Range and LF Cutoff settings.
Freq Range (Hz) – Specify the plot’s frequency / x-axis range.
LF Cutoff (Hz) – From the drop down list, specify a cut-off frequency to filter low
frequency noise from the waterfall plot’s displayed spectra.
Waterfall Plot Display
• After setting Waterfall Setup options, press the Display function button to process
spectral data and display the Waterfall Display Setup menu.
The larger the acquired data .wav file, the longer the processing
time required.
Figure 7 - 13.
The Waterfall Display Setup Menu.
7 - 16 SKF Microlog - GX Series
User Manual
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