Spectral data is displayed in the frequency domain while waveform data is in the time domain. Spectral information is obtained by applying a Fourier transform to waveform data; this converts the data to show that amplitude and phase of the vibration at different frequencies. Both…
read moreNumerous companies specialize in supplying measurement and data acquisition systems. Equipment is available at various price points and with different capabilities. Selecting the appropriate equipment can save you time and money if done correctly. Before purchasing any equipment, it is important to identify your particular…
read moreNoise in a vibration signal can creep in from background vibration sources such as noise generated by the machine being monitored, or from adjacent machinery. Typically the noise signal has low amplitudes and is close to zero in the spectral data; however, in some instances…
read more