A single point vibration spectrum does not provide good and reliable indication of machinery misalignment.
2.
Many units display the full vibration spectrum of three axes simultaneously, providing a snapshot of what is going on with a particular machine.
3.
VA can use the units of Displacement, Velocity and Acceleration displayed as a Time Waveform ( TWF ), but most commonly the spectrum is used, derived from a Fast Fourier Transform of the TWF . The vibration spectrum provides important frequency information that can pinpoint the faulty component.
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