Photostability Test Chamber

The shell of the photostability test chamber is usually made of high-quality cold-rolled steel plate, and the surface is treated with fine treatment, such as spraying process, which not only makes it have a good appearance, but also enhances the wear resistance and corrosion resistance of the shell. The inner liner is mostly made of stainless steel, which has excellent corrosion resistance and easy to clean characteristics, and can effectively prevent the inner liner damage caused by light or sample volatiles during the test process, while ensuring the purity of the internal environment of the test chamber and avoiding the interference of impurities on the test results.
Between the shell and the inner liner, a high-performance insulation material, such as polyurethane foam, is filled. The thermal conductivity of this thermal insulation material is extremely low, which can effectively block the heat transfer inside and outside the test box and ensure that the temperature in the box remains relatively stable during the light test. Even under long-term, high-intensity lighting conditions, it can reduce the influence of external ambient temperature on the temperature in the box, so as to create a stable thermal environment for the test.

The photostability test chamber is equipped with various types of light sources to meet the test needs of different fields and products. Common light sources include xenon arc lamps, fluorescent lamps and ultraviolet lamps. Xenon arc lamp is an ideal light source to simulate the natural sunlight spectrum, and its spectral distribution is very similar to the solar spectrum, covering a wide wavelength range from ultraviolet to visible light to infrared light. This gives it a unique advantage in testing products that are sensitive to sunlight exposure, such as coatings for outdoor use, plastics, and pharmaceutical preparations. Fluorescent lamps have a lower calorific value and a specific spectral distribution, which is suitable for testing some products that are sensitive to light in a specific wavelength range, such as certain cosmetics that need to evaluate stability under indoor light conditions. Uv lamps are mainly used to simulate the stability test of products in environments with strong ultraviolet radiation, such as products used in high-altitude areas or close to the environment of ultraviolet radiation sources, and are often used in fields such as pharmaceuticals and optical materials to detect the resistance of products to UV-induced degradation or deterioration.

The photostability test chamber has a user-friendly operating interface, usually using a touch screen or LCD display combined with buttons. The operating interface clearly displays various parameter setting options, such as light type, light intensity, temperature, humidity, test time, etc. Users can easily get started without complicated training and can set test parameters quickly and accurately. At the same time, the interface also displays the operating status of the equipment in real time, including the current light intensity, temperature, humidity value and remaining test time, so that users can know the progress of the test at any time. In order to meet the needs of different users around the world, the operation interface supports multiple languages, such as English, Chinese, German, French and so on. In addition, the equipment has a data storage function, which can automatically record the parameter setting and operation data of each test. The data can be exported to an external storage device using a USB port or other data transmission methods, facilitating subsequent data analysis and report generation. Based on these data, users can review the test process and analyze the stability trend of the product under different lighting conditions.

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