M+P Upgrades SO Analyser

The SO analyser is M+P International's real-time analyser for noise and vibration measurement, analysis and reporting in the field and in the lab. The latest SO analyser Rev 3.3 supports M+P's new portable, fan-less 4-/8-channel VibPilot front-end with 24-bit resolution and USB 2.0 interfacing. Full support comprises all native sample frequencies from 1024Hz to 102.4kHz, input modes including AC/DC floating or grounded and ICP user selectable on each channel.

Two tacho inputs with 32-bit high-speed up/down counters are included for measuring synchronous signals on rotating machines. A sound quality analysis module has been added to the new software revision. The basis of the SO analyser sound quality analysis is Zwicker loudness that provides standardised methods for this type of product refinement.

The implemented functions, which are available both as online and post-processed analysis, can be viewed as 2D, 3D, or as colour maps (spectrograms) for further analysis. The SO analyser Rev 3.3 introduces other capabilities including full operation under the Microsoft Windows Vista operating system, the least squares fit analysis tool, percentile calculations and amplitude distribution statistics.

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