Jeffoptics Co. Ltd.’s JF-3E surface stress meter measures the surface stress of tempered glass, heat-strengthened glass and annealed glass on the uncoated tin side without causing damage. The product complies with ASTM C1279 and ASTM C 1048.
With only two adjustment components, operation can be done easily Results are available within 0.5 seconds. An operator no longer needs to judge the rotation angle or look at the table.
With compact structure and industrial design, the meter can measure the glass in all positions conveniently without support.
With optimized optical structure, the meter can work in severe situations, even in direct sun light.