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The VR9500 Vibration Controller and tightly integrated VibrationVIEW software are used in testing labs around the world, working with electrodynamic, servo-hydraulic, and servo-electric shakers; control options include single-axis, dual-axis, dual-phase, three-axis, multi-loop, and seismic control. Advanced functions – including iDOF®, FDS, FDR, and Kurtosion® – solve vibration testing’s most troublesome issues, such as over-testing, under-testing, and predicting a product’s point of fatigue failure.