Julight VSM-4000LL-3D-SCANTRACK-EXT Laser Vibrometer

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The Julight Laser Vibrometer VSM-4000LL-3D-SCANTRACK-EXT combines three individual 2D scanning laser vibrometer heads, each equipped with a state-of-the-art two-axis galvanometer mirror system for deflection and scanning of the laser beam. The VSM-4000LL-3DSCAN-TRACK-EXT allows us to perform the full-field 3D vibration and modal analysis of a large object without contact. Operating distance is up to 1.2 m (or 11 m for -L option). For distance larger than 2 m, the use of retroreflective tape is recommended.

The VSM-4000LL-3D-SCANTRACK-EXT is managed by a proprietary PC software that simultaneously controls the three scanning heads so that the three laser beams hit the same point of the target. A dedicated, high-precision fully analog electronic circuit board calculates in real-time the exact vibration components along the X, Y, and Z directions, starting from the raw vibration signals A, B, and C measured by the three lasers. Thus, the electrical output signals are a replica of the target displacement or velocity components along the X, Y, and Z axes, in a frequency range from DC to 100 kHz (or from DC to 3 MHz with "-EXT, extended frequency" option).