Software for non-contact measurement systems

| Environmental Testing

Imetrum releases software for use with its video based measurement tools for displacement, distance and strain measurements.

Imetrum has released Video Gauge 5.3, a software tool that manages the control, capture, processing and analysis functions for all Imetrum non-contact measurement systems. The fundamental principles behind Imetrum’s software are often referred to as Motion Tracking and Digital Image Correlation (DIC), although Video Gauge has been independently benchmarked to be an order of magnitude more accurate than other image based measurement software.

Version 5.3 provides big advantages to customers who are pushing the limits of their existing Imetrum systems and to all users of Universal Video Extensometer (UVX) Flexi systems who use the Extensometer, Distance, Displacement and Digital Image Correlation (DIC Maps) tools. Imetrum systems were already the fastest real-time video based measurement tools, but this new software version has extended the gap with a 2 – 8 times speed increase (depending on tracking method used).

With the release of the Video Gauge 5.3 software, all products will benefit from significant performance improvements that enable up to 8 times more measurements to be made in real-time (depending on tracking method used) and will support ‘plug & play’ (automatic detection & configuration) for optical modules & cameras. Imetrum’s latest Precision Displacement Tracker products will support multiple 3D measurement heads being used simultaneously and automatic finding of 3D targets will also be more robust. For UVX Flexi products, the ‘Crosshead calibration’ wizards are now more robust.

In practice, these improvements mean that using ‘Standard’ tracking, it is now possible to measure 400 2D points simultaneously at 10Hz, or 30 points at 100 Hz (2D) or 50 Hz (3D).  ‘Speckle patterns’ can now be used in real time for high range strain tests and real time strain maps are more feasible. Post processing tests have also been speeded up.

Set up and switching between different cameras and optical modules is now much quicker and more robust and objects can be monitored from different sides and at different measurement resolutions simultaneously in 3D. For UVX Flexi, Crosshead Calibration is now aligned precisely with calibration apparatus, making getting calibration certificates simpler.

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