The tester utilizes the principle of polarized light interference to examine the internal stress in glass or the birefringence effect in crystals. Equipped with sensitive color plates and employing the 1/4 wave plate compensation method, the polarizing stress meter can qualitatively or semi-quantitatively measure the optical path difference in glass based on the interference color sequence observed in the polarizing field. Additionally, it can accurately gauge internal stress by considering the wall thickness.
Intelligent Polarizing Stress Tester Features:
5-inch color touch screen display of optical path difference and real-time stress value.
The instrument adopts high precision absolute encoder, measuring accuracy is better than 2.0nm.
Users can select qualitative or quantitative test modes.
The test space of the instrument can be adjusted for a wider range of applications.
Instrument can store at least 200 datasets with 50 measurements per dataset.
This instrument meets the requirements for multiple levels of user authorization.
Automatically save test records, query locally and export to computer in Excel format.
Equipped with micro-printer and standard USB interface.
Intelligent Polarizing Stress Tester Specifications:
| Model | PST-150 |
|---|
| Indication | 0.1 nm |
| Accuracy | 2 nm (birefringence retardation value) |
| Diameter of Polarizing Field | 150 mm |
| Rotation Angle | 360° |
| Edge Brightness of Light Field | ＞120 cd/㎡ |
| Brightness of Light Field | ≥800 lux |
| Standard Accessories | Instrument, Micro Printer |
| Optional Accessories | Professional Software, Communication Cable |
| Instrument Size (W×D×H)(mm) | 220x350x580 |
| Shipping size(W×D×H)(mm) | 400x550x500 |
| N.W./G.W. (kg) | 9/14 |
Standard:
This test instrument conforms to many national and international standards: ASTM C148, GB/T 4545, GB/T 12415, JJG196-2006, YBB00032005-2005, YBB00332002-2015, YBB00162003-2015
Applications of Intelligent Polarizing Stress Tester:
Basic Applications:
Suitable for polarizing internal stress testing of glass infusion bottles, glass medicine bottles, injection bottles, ampoules, oral liquid bottles, etc.
Suitable for internal stress testing of glass containers such as beer and spirits bottles.
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