门窗上幕墙上专用SSM-II型玻璃表面应力仪
一般建筑方面的钢化玻璃，比如说门窗上的，幕墙上的，一般用SSM-2应力仪。
产品的厚度没有要求，再厚的玻璃都可以测的。它是手动测量。
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for thermal or chemical tempered glass（SSM-II）
1. Application
The instrument is applicable to non-destructively determine surface stress ofthe heat-strenthened or tempered float flat glass, and can also be used tomeasure the surface stress of the chemically ion-exchanged glass.
2. Technical data
a. Contact oil: Clove oil with index of refraction at
b. Magnification of micrometer eyepiece: 15×
c. Min. degree scale of micrometer eyepiece:
