810
Users Manual
4-26
Sensor Orientation
Consistent Sensor orientation is critical to ensure
repeatable data and consistent diagnoses over time. The
Tester uses a triaxial Sensor that combines three
transducers into a single housing. These three
transducers simultaneously measure the vibration data
from three axes or directions:
• Axial (A)
• Radial (R)
• Tangential (T)
The axes are oriented to the drivetrain shaft and vary
depending on the horizontal or vertical orientation of the
drivetrain. See Figure 4-2.
Note
If you define the Sensor orientation incorrectly in
the user interface, the diagnostic engine is
unable to associate the vibration signals with the
correct axes. The result is a false diagnosis from
the Tester.
R
T
R
T
A
A
A = Axial
R = Radial
T = Tangential
gbk08.eps
Figure 4-2. Axes Orientation
The Tester uses the machine driveshaft as the common
reference point. You must set the orientation of the
Sensor cable as either parallel or perpendicular to the
driveshaft.
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