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The following table compares our measurement systems in terms of the measured variables.
Q400 and LIMtrack can calculate via integrated analysis module (scripting) many other measures (Young's-modulus, temperature coefficient of expansion, velocities, etc.).


Base measurement variable


Spatially resolved

Typical Applications

1D-displacement, distance, distance change
1D-strain (longitudinal, transversal)

  Standardised material testing (e.g.tensile testing)
Determination of material parameters, vibration measurement
Q400 -
2D & 3D displacement
Surface strains
Specimen thickness, Volume strain
3D coordinates (object geometry)
3D velocity and acceleration

Material testing
Component testing
Fatigue tests, crack propagation
3D Vibration test
Modal analysis
StrobeCAM -
Video recording   Vibration tests with Shaker

2D displacement / motion
2D velocity and acceleration

Motion analysis
2D vibration analysis
Surphaser -
3D Scanner
3D coordinate / 3D geometry   Quality control
Reverse Engineering

The RTSS video extensometer measures the strain from the distance change of two markers. The measured strain value is therefore the average (integral) component elongation between the markers and similar to a mechanical extensometers
With the Q400-DIC system, the integral (locally averaged ) measurement values (extensometer, polygon surfaces, circular surfaces, etc.) are optionally calculated after the spatially resolved analysis.

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