Example of graphs and information displayedFigure 10-3:
A. Vibration compared to the balance specification (the circle). X appears within the circle when
vibration is within the balance specification. A cross hair (+) symbol indicates the endpoint of the
averaged phase/ magnitude vector. A vector line with a terminating square symbol on one end
indicates the instantaneous vector. Vector lines without terminating symbols indicate phase
variations of more than 15 degrees. These represent minimum and maximum vectors.
B.
Measurement point ID.
C. Measurement point channel. The Channel column is not displayed if a multiplexer is not used.
D. The speed acquired from the tachometer signal expressed as RPM. Any data outside the valid range
is excluded from the averages.
E. The magnitude acquired from the sensor.
F. The phase acquired from the tachometer signal and sensor.
G. Graph showing the relative stability of the averages, and helps you analyze data. Good readings are
green and include magnitude readings with average variations of +/- 5 percent or less, and phase
readings of +/- 2.5 degrees or less average variations. The magnitude reading is highlighted when it
is less than or equal to the balance specification.
Keys
After you select the runout, reference run, or trial run and begin collecting data, the
following options appear.
Option Description
F1 Intentionally blank.
F2 Expand Scale Zoom in on the image.
F3 Decrease Scale Zoom out on the image.
Balance
MHM-97432 Rev 7 323
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