Download SpectraPro USER MANUAL

VMI AB SWEDEN
10.2.5.2. Using the Saved Speed
For a new un-loaded spectrum, without speed measurement in time of the
data acquisition, the SpeedTool Menu appears as below:
Measured item is disabled, because the speed
was not measured in time of data acquisition.
Saved shaft speed item is also disabled, because
no any shaft speed was saved.
To set the proper shaft speed for all machines directions, proceed as follow:
- Select any spectrum of the same machine.
- Manually move the shaft speed cursor near the frequency where
you consider that the speed is correct.
-
From the Main Menu toolbar, press
button.
In the enlarged spectrum graph, locate the Best shaft position. This
is the maximum of the peak, as bellow:
-
Now press again
button to display whole spectrum.
From the Speed tools item, select Save current speed and Save
to all points item. The proper shaft speed will be back-calculated,
using the speed settings in the database, for all the measurements
belonging to the same machine and having the same transfer time
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