Glass TestingGlass
Digital Glass Bottle Polariscope Stress Tester
The SWY-I detects and measures internal stress in glass using polarized-light interference, sensitive color plates, and quarter-wave-plate compensation. It provides qualitative, semiquantitative, or quantitative stress measurement for optical glass, glass products, and other optical materials.
- Model
- SWY-I
- Category
- Glass Testing
Product description
Product Description
The SWY-I uses polarized-light interference to examine internal stress or crystal birefringence. Interference-color sequences provide qualitative or semiquantitative measurement, while analyzer rotation angle and specimen thickness at the brightest point are used for quantitative stress calculation. Automatic display and printout are provided.
Specifications
Technical Specifications
| Parameter | Specification |
|---|---|
| Stress measurement range | Below first-order interference color |
| Full-wave plate optical path difference | 560 nm |
| Analyzer aperture | Ø150 mm |
| Platform glass aperture | Ø220 mm |
| Maximum measurable sample height | 250 mm |
| Light source | Incandescent lamp; 220 V, 100 W |
| Weight | 20 kg |
| Dimensions | 470 mm × 450 mm × 700 mm |
| Referenced standards | GB/T 4545; GB 4545-84 |
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