Video extensometers

Deformation measurement of samples during material testing with use of the Video extensometer Mercury RT® allows applying multiple virtual probes (movement sensors) on markers and advanced image features to be tracked, including the natural pattern of the sample surfaces.

The Mercury RT® system enables the user to analyze the measurement either in offline or online modes, thus high-speed cameras can be used. The computation is performed in real-time, where the computed values are transferred to a connected test rig, either via analog or digital outputs.

Typical use is the determination of various material properties (tensile tests, uni/biaxial properties, contractions), measurement of large strain rates, high-speed testing, vibration measurement, crack propagation, dynamic testing and quality control.

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