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Characteristics and Usage Guide of Surface Stress Meter

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    A surface stress meter is primarily used for measuring surface stress in chemically strengthened glass, physically tempered glass, and ultra-thin UTG glass. It is based on photoelasticity and birefringence. Equipped with a computer, the surface stress meter minimizes operator-induced errors and facilitates efficient data management. With multiple interface options, it supports expansion for automatic droplet dispensing systems and thickness measurement modules, enabling fully automated testing.


    Key Features of the Surface Stress Meter


    Automatic Pass/Fail Determination


    Operators can predefine stress criteria, and the system will automatically determine whether a product meets specifications after each measurement. This automated evaluation reduces human error and improves the efficiency and reliability of quality control processes.


    Automated Stress Measurement with High Precision and Stability


    With a highly integrated optical system and algorithmic control, the surface stress meter consistently delivers accurate stress measurements. Whether for individual inspection or batch sampling, it ensures excellent repeatability and reliability.


    Built-in Automatic Droplet Dispensing and Suction System


    The device integrates automatic droplet and suction modules, allowing precise fluid application and recovery under software control. This integrated design simplifies setup, saves space, and ensures clean and efficient operation.


    Optional Glass Thickness Measurement Module


    To further improve inspection efficiency and data integrity, the surface stress meter can be optionally equipped with thickness measurement module. This enables integrated measurement of both glass thickness and surface stress, making it especially suitable for industries with strict quality requirements.


    Important Usage Notes for Surface Stress Meter


    • Use Official Consumables.

    • Handle Samples Carefully: When operating the device, handle the glass samples gently to avoid damaging the prism. If the detection image is blurry, use a cotton swab dipped in industrial alcohol to gently clean the prism surface.

    • Network Safety: Ensure the device is completely isolated from internet or local networks, and avoid connecting USB drives or disks that may contain viruses.

    • Environmental Requirements: Operate the device indoors, away from direct sunlight. The ambient air should not be overly humid, and the pH level should remain neutral.

    • Keep Away from Chemicals.


    As the demands for safety, aesthetics, and functionality in glass products continue to grow, the surface stress meter has become an indispensable tool for ensuring glass quality. With its high precision, automation, and multifunctional integration, it plays a vital role in both industrial and research settings. By integrating intelligent hardware with advanced software systems, the surface stress meter significantly enhances inspection efficiency and supports the standardization and intelligent production of the glass industry.

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