【Scope of application】
YT1201 UV aging test box is used for light resistance, weather resistance and light aging test of various geosynthetics. The exposure test of the sample is carried out in an environmentally controlled fluorescent ultraviolet lamp climate box. Through simulating and strengthening the light, heat, humidity, rainfall and other environmental factors that are the main aging damages in the natural climate. By simulating accelerated tests under long-term exposure, the results of the material's weather resistance can be obtained.
【Standards compliant】
JTG E50 T1164, GB/T 14522-93 "Plastics, coatings, rubber materials, artificial climate accelerated test methods for machinery industrial products", GB-T16422.3-1997, ISO4892-3: 1994 "Plastic laboratory light source exposure test methods" "Wait.
Note: meet the above standards, but not limited to the above standards;
【Structure and material】
1. Inner box size: D450 ×W1165×H500㎜
2. Dimensions: D500×W1300×H1400㎜
3. Liner material: SUS304# high-grade stainless steel plate
4. Shell material: SUS304# high-grade stainless steel plate
5. Test piece fixture material: SUS304 stainless steel plate
6. Imported lamps: 8 pieces in the second row, 40W/piece
7. Water source and consumption: clean water or distilled water 8 liters/day (customer provided)
8. Control system: color touch screen, real-time display of irradiation, condensation, irradiation intensity, and lamp life when the lamp is tired. Chinese input mode, the whole process runs automatically.
【Detailed introduction】
1). The structure of the test box is made of corrosion-resistant metal materials, including 8 fluorescent ultraviolet lamps, a water tray, a test sample rack and a touch screen controller.
2). The lamp power is 40W, and the lamp length is 1200mm. The uniform working area of ??the test box is 900×210mm.
3). The lights are installed in a row of four, divided into two rows, the tubes of each row of lights are installed in parallel, and the center distance of the lights is 70 mm.
4). The test sample is fixedly installed at the position of the nearest parallel plane 50mm away from the surface of the lamp. The test sample and its bracket constitute the inner wall of the box, and their backs are exposed to the cooling air at room temperature. Temperature difference. In order to produce stable condensation conditions during the condensation stage on the surface of the test sample, the test box should generate natural air convection from the bottom through the outer wall of the box and the channel of the test sample.
5). The water vapor is generated by the water tray with the lower heating box, the water depth is not more than 25mm, and there is an automatic water supply controller. The water tray should be cleaned regularly to prevent the formation of scale.
6). The temperature of the test box is measured by a sensor fixed with a width of 75 mm, a height of 100 mm, and a thickness of 2.5 mm. The black aluminum plate (black board) should be placed in the central area of ??the exposure test. The measuring range of the thermometer is 30 ～80℃, the tolerance is ±1℃. The lighting and condensation stages should be controlled separately, and the condensation stage is controlled by the heating water temperature.
【Standard configuration】
(1) 12 UV lamps; (2) 21 sets of sample holders
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