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Architectural Glass – Strainoptics Polariscopes, Polarimeters, and Roll Wave Gauges

Strainoptics manufactures a complete line of manually operated and automated equipment for measuring residual stress and roller wave distortion in annealed, heat-strengthened, tempered, and safety glass.

Please click on any of the product photos to learn more about that specific instrument.



ELG-100 Edge Lift Gauge


The GASP® polarimeter is the instrument recommended by ASTM and other international standards groups for measuring surface stress in all types of heat-treated glass. Conforms to European EN-12150 mandates!