Surface Stress Meter SAA-220LE is a device for measuring the surface birefringence of transparent objects due to internal stress. It is possible to quickly and continuously identify the quality of optical glass products or other transparent materials, thus solving complex problems that are actually difficult to solve mathematically.
Specifications:
Type:SAA-200LE
Work table size(mm):200 * 180
Light source:T4 fluorescent lamp
EX. Power Adaptor:220v
Power:6w * 3
Weight:12kg
Dimension(mm):560*290*400
Operation:
1.Plug the light source into the 220v AC power supply. And press the button switch on the surface of the platform.
2.Put the test sample in the center of the mesa. 
Accessories:
1.Power adapter
2.Test sample (glass disc)

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