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Optical measurement system for bending testing
Use of the Video Gauge system allows high precision deflection measurements to be taken during a multi-point bend test. This can be for a three or four point bend test of any material through failure. Additional properties can be measured, such as the level of anisotropy as described in the case study [hyperlink].Features
Point deflection measurements can be taken for the rollers or specimen, or strain can be directly measured from the surface in tension
Class 0.5 and B-2 requirements are met when tested for strains between 0.1 to 1% of a 20mm gauge length.
Testing through failure is not an issue for the Video Gauge, allowing breaking strains to be measured.
Large deflection ranges are a simple matter of choosing the right lens for the application.
No surface damage will occur from the Video Gauge, giving you more representative data
Multi-point bend tests can be monitored for any size of specimen, from 10mm strips up to helicopter blade cross-sections as in the picture. The measurement range can be simply altered through a change of lens or camera position allowing both large and small components to be tested.