Filter
A filter is an electrical circuit that allows signals of certain frequency ranges to pass through, and blocks all other frequencies. There are many types of filters, such as low pass filters, high pass filters, and band pass filters. Examples of filters used in machinery monitoring instruments are low pass filters to reject high frequency noise and to prevent aliasing, and high pass filters to reject low frequency noise. Variable band pass filters were used in the past to perform spectrum analysis, but they have been largely supplanted by the FFT analyzer.
Azima DLI provides products and services for Predictive Maintenance including vibration analysis instruments, monitoring and diagnostic software, and consulting for CBM programs.
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