Triaxial Measurements
To assist in the determination of machine problems, it is very helpful to have vibration data from each measurement point in three directions. These directions are called Axial, Radial, and Tangential. Axial is the direction parallel to the shaft in question, radial is the direction from the transducer to the center of the shaft, and tangential is 90 degrees from radial, tangent to the shaft.

Alignment of Vibration Axes
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