The vibration monitoring industry has specialized jargon that is commonly used when talking about vibration sensors, accelerometers and associated applications. It's important that you understand common terminology to communicate effectively with vibration monitoring, reliability, condition monitoring and process automation professionals. We hope you find our glossary useful to find specialized terms and definitions used across vibration, condition monitoring and predictive maintenance.



The period of time, starting with the application of excitation or power to an instrument, required to assure that the instrument will perform within all specified tolerances.

WHITE-NOISE (White Random Vibration)

A random noise or vibration having equal energy per unit bandwidth (uniform power spectral density) over the spectrum of interest.