Strainoptics

Strainoptics is the world’s foremost manufacturer of polarimeters and polariscopes, non-destructive stress measurement instruments for the glass and plastics industries.

LCD-GASP

The LCD-GASP comes with an attached 3.5″ LCD monitor for easy viewing by multiple users. Once you attain a satisfactory image on the LCD screen, simply look up the angle on your GASP polarimeter chart and find the surface stress in your glass. While the Laser-GASP (below) is meant for use by one operator in a horizontal orientation, the LCD-GASP is:

Easily used by Multiple people at once
Easily used on vertical glass surfaces (see vertical attachment accessory below)

Laser GASP

If you don’t need the LCD monitor, we still offer our standard, tried-and-true Laser GASP. The Laser GASP Surface Stress Polarimeter has an eyepiece instead of an LCD screen and just as portable and reliable as the LCD-GASP.

CAL-PLATE Accessory

Glass reference standard with certified surface stress value
Enables verification of instrument accuracy
Ideal for operator training
Available for standard and high-sensitivity GASP wedges

Refractive Index Matching Fluid:

Available in 4 oz (120 cc), 16 oz (473 cc), or 1 gal (3785 cc) sizes
RI = 1.54 for use with GASP only – (For immersion cells, specify RI = 1.52)

Roller Wave Gauge Models

RWG-DF Digital Flat-Bottom Gauge

The RWG-DF roller wave gauge has a 16″ long delrin-coated base and an LCD digital readout. The RWG-DF measures peak-to-valley depth of the roller wave in accordance with ASTM C1651 with a resolution of 0.01 mm (0.0005″).

ALSO AVAILABLE WITH HIGH-SENSITIVITY DIAL (0.001 mm / 0.00005″)

RWG-D Digital “Three-Point Contact” Gauge

Adjustable three-point contact bottom surface equipped with a battery-powered digital micrometer indicator. The RWG-D roller wave gauge measures peak-to-valley depth of the roller wave to 0.01 mm (0.0005″) in accordance with ASTM C1651.

ALSO AVAILABLE WITH HIGH-SENSITIVITY DIAL (0.001 mm / 0.00005″)

ELG-100 Edge-Lift Gauge

Used for measuring edge lift (edge kink, edge curl) in flat glass. Ideal for production control and incoming QC of heat-treated glass. Controlling edge-lift reduces optical distortion and the chance of field failures in laminated units. Can also be used as a conventional flat-bottom roll wave gauge.

RWG-I and RWG-M Dial Gauges

The RWG-I and RWG-M roller wave gauges are like the RWG-DF but have analog dial indicators in either inch (I) or metric (M) units. These roller wave gauges measures peak-to-valley depth of the roller wave in accordance with ASTM C1651.

PS-100 Polarimeter – Versatile Polarimeter for Measuring Stress in Glass or in Plastics in accordance with ASTM D4093, ASTM C148, ASTM F218

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