GASP® Polarimeter

for measuring surface stress in heat- treated glass

 

 

 

 

 

 

 

Strainoptic's GASP polarimeter is a portable instrument recommended by ASTM and conforms with European standard EN12150-2 for measuring residual stess in toughened glass. It can also be used to confirm stress-relief in annealed glass and to validate furnace settings for manufacturers of safety glass.

The standard GASP model is for flat or slightly curved surfaces. The model with a laser light source. It features a rechargeable battery pack and offers the broadest range of measurement, up to 25,000 psi (180 MPa).

The Strainoptic GASP polarimeter is supplied in a professional-quality instrument carrying case and comes with full instructions, practice sample and accessories.

Options include a calibration plate for instrument verification and portable UV light for detecting the tin side of float glass.

 

  • Non-destructive
  • Easy to operate
  • Ensures compliance with all industry specifications
  • For in-plant or field use
  • Available for flat or curved surfaces
  • For toughened, heat stengthened glass and annealed glass
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