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Modal Analysis Software for Test Engineers
 
  The well-known modal analysis software package ME'scope VES from Vibrant Technology, Inc. has been developed for machine manufacturers and test engineers and co-operates optimally with SINUS hardware. Data acquisition with ME'scope can be performed directly using Soundbook, HARMONIE or MSX16. As an alternative, measurement data can be imported from SAMURAI.

Depending on the platform, from 2 up to 128 synchronous digital measurement channels and outputs are available to the user in the laboratory and for field testing.
The ME'scope software package is very versatile and offers almost unlimited possibilities for the qualified mechanical engineer. During the measurement, the selected results are displayed in real-time windows. Simultaneously the measurement values are stored on hard disk for further analysis. The data can be stored and output in various formats (WMF, WAV, µGraph, etc.).

The key features of ME'scope VES are:
  • Signal analysis (level, FFT, 1/n octave)
  • Order analysis
  • Modal and operation vibration analysis
For the SIGNAL ANALYSIS ME'scope offers:
  • Time signal: A-, B-, C-, KB-, MS-weighted
  • FFT Real, Imaginary, Amplitude, Phase, Nyquist
  • Power and cross spectra
  • Transfer function, coherence
  • 1/1-, 1/3-, 1/12- and 1/24-octave analysis
The ME'scope ORDER ANALYSIS allows machine run-up and run-down to be recorded and analyzed on- and off-line:
  • Amplitude, order, octave display
  • Waterfall and Campbell diagrams
  • Scaling by degree of crank angle
  • Rotational vibration analysis
The MODAL ANALYSIS is performed using transfer functions which have been recorded with the SIGNAL ANALYSIS. Transfer functions in UFF format can easily be imported from other software packages, e.g. the SAMURAI FRF option.
The following modal values are calculated:
  • Characteristic frequency
  • Attenuation degree
  • Eigenvector
The work of the engineer is simplified by convenient measurement data management functions, the Geometry Editor and the animation.