Device to monitor the radial profile of the specimen whilst under test using highly accurate laser precision. The lasers are installed on to a modified conventional triaxial cell and monitor a 32mm length on the sample from a distance of 80 mm.

The laser heads are integrated into GDSLAB software. The software allows the laser to measure a point measurement and also scan the sample profile, which may be used to give a measurement volume change. GDSLAB can record a profile scan of every 5 seconds. The laser profilers have an accuracy of about ± 10μm in optimal conditions of measurement.

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