1. The structure of the test chamber is made of corrosion-resistant metal material, including 8 fluorescent UV lamps, water tray, test sample holder and temperature, time control system and indicator.
2. The lamp power is 40W and the length of the lamp is 1200mm. The uniform working area of ​​the test chamber is 900×210 mm.
3. The lamp is installed in four rows and one row, installed in two rows. The lamps of each row of lamps are installed in parallel, and the center distance of the lamp is 70mm.
4. The test sample is fixedly mounted 50 mm from the nearest parallel surface of the surface of the lamp. The test sample and its support form the inner wall of the box. The back side of the test sample is exposed to the cooling air at room temperature due to the temperature difference between the test sample and the air inside the box. . The condensation phase of the surface of the test sample is allowed to produce stable condensation conditions, and the test chamber should generate natural air convection from the bottom through the outer wall of the tank and the passage of the test sample.
5. The water vapor is generated by the low water tray of the heating box, the water depth is no more than 25mm, and there is an automatic water supply controller. The water tray should be cleaned regularly to prevent scale formation.
6. The temperature of the test chamber is measured by a sensor fixed on a black aluminum plate (blackboard) with a width of 75 mm, a height of 100 mm, and a thickness of 2.5 mm. The blackboard should be placed in the center of the exposure test. The measurement range of the thermometer is 30 ～. At 80 ° C, the tolerance is ± 1 ° C. The control of the illumination and condensation phases should be carried out separately, and the condensation phase is controlled by the heating water temperature.
7. The test chamber should be placed in a test chamber at a temperature of 15 to 35 ° C, 300 mm from the wall, and should be protected from other heat sources. The air in the test chamber should not be circulated strongly to avoid affecting the lighting and condensation conditions.
Dear Customer:
Hello, our company is a high-quality development team with strong technical force, providing high-quality products, complete solutions and high-quality technical service companies for the majority of users. The main products are walk-in constant temperature and humidity test chamber, environmental stress screening test box, ultraviolet accelerated aging test machine, rapid temperature change test chamber, walk-in environmental test room, ultraviolet aging tester, solar radiation test chamber, temperature adjustment. Conditioning box, etc. The company adheres to the tenet of establishing business with integrity, keeping the quality and keeping the industry, and constantly climbing the new peak with a firmer pace to contribute to the national automation industry. Welcome new and old customers to purchase their favorite products with confidence. We will be happy to help you!
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