Sound and vibration monitoring for machines
National Instruments has unveiled the NI Sound and Vibration Measurement Suite Version 6.0 and the newest 16-channel data acquisition module for sound and vibration, the NI PXI-4495. The Sound and Vibration Measurement Suite 6.0 is the most comprehensive National Instruments collection of analysis and signal processing tools for applications including: machine condition monitoring (MCM); noise, vibration and harshness (NVH); and audio test.
This suite includes both the NI Sound and Vibration Assistant 6.0 (application software that combines interactive, configurable data acquisition, analysis and data logging) and NI LabVIEW analysis VIs. The new version extends sound and vibration measurement capability with order analysis support in the Sound and Vibration Assistant and new LabVIEW VIs for torsional vibration measurement and human vibration weighting filters. In addition, the 16-channel, 24-bit, DC-coupled PXI-4495 complements the PXI-4496 and PXI-4498 high-channel-count dynamic signal acquisition (DSA) modules.
National Instruments says that the Sound and Vibration Assistant is designed to simplify the process of acquiring and analysing noise and vibration signals by offering a standalone, interactive analysis and acquisition environment. The standalone software offers a way to interact continually with varying data analysis settings while logging data to disc for more analysis later. For example, engineers can vary the weighting and bandwidth of an octave spectrum while recording sound-level data or adjust the window applied to a power spectrum while recording overall vibration readings. In addition, the Sound and Vibration Assistant makes it possible to share acquired signals and analysis results with other applications through universal file format (UFF) file I/O support.
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