Zwick’s latest strain measurement system, laserXtens, has successfully been used for applications in temperature chambers where materials are typically exposed to temperatures from -70
to +250°C whilst being subjected to tensile or compressive loads. laserXtens measures bi-axial strain without any specimen contact. Part of the specimen surface is illuminated using the
principle of laser speckle interferometry. Which is tracked by two digital cameras. Highly advanced real-time software algorithms convert this data directly into strain.
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