ZL-6008A QUV UV Aging Testing Chamber (Leaning Tower Type)

Equipment Summary：

This testing chamber can simulate the harm caused by sunlight, rain, and dew. UV uses fluorescent ultraviolet UV lamps to simulate the effect of sunlight, and uses condensed moisture to simulate rain and dew. The tested materials are exposed to light and moisture at a certain temperature. Test in alternate cyclic programs. UV can reproduce the hazards that occur outdoors in months to years in a few days or weeks. UV test data can help you choose new materials and evaluate how changes in formulations affect the durability of new products.   

Use:

1. The UV weathering tester is mainly used to simulate the damaging effects of sunlight, humidity and temperature on materials;
2. Material aging includes fading, loss of gloss, strength reduction, cracking, peeling, chalking and oxidation, etc.;
3. The UV weathering tester simulates sunlight, condensation, and natural humidity, and the sample is tested in a simulated environment for several days or weeks, which can reproduce the damage that may occur outdoors for months or years;
4. In the ultraviolet weathering test machine, the fluorescent ultraviolet of the ultraviolet lamp can reproduce the influence of sunlight, and the condensation and water spray system can reproduce the influence of rain and dew;
5. During the entire test cycle, the temperature is controllable;
6. A typical test cycle is usually ultraviolet light irradiation at high temperature and a dark and humid condensation cycle with a relative humidity of 100%;
7. Typical applications are paint coatings, automotive industry, plastic products, wood products, glue, anodic oxide film, etc.

Technical Parameter：                                                              

Product Structure:

1. Studio size: 500 × 1140 × 400mm (Depth × Width × Height)
2. Dimensions: 660× 1400× 1550mm (D×W×H)
3. Inner material: SUS304 stainless steel plate

Shell material: SUS304 stainless steel plate

4.Tube: UVA-340 ultraviolet tube, 4 in a row, 40W/piece Specification: 1200MM length, diameter: 38MM (Optional brands：American Q-LAB )

   Main peak wavelength UVA340nm wavelength range 290~400nm

   Lamp: UVB-313 ultraviolet lamp, the other row has 4 pieces, 40W/piece Specification: 1200MM length, diameter: 38MM, main peak wavelength UVB313nm wavelength range 280-320nm (Optional brands：American Q-LAB )

5.Water source and consumption: clean water or distilled water 8 liters/day (customer provided)

6.Control system: Cobb (7-inch touch screen and PLC controller)

7.Main components: French Schneider electrical appliances and Japanese Omron

8.Automatic control radiometer: smart radiation sensor, 0-5V signal output.

2 sets of UV irradiance meter (one set for front and back), irradiance can be controlled independently.

9.The structure of the test box is made of corrosion-resistant metal materials, including 8 fluorescent ultraviolet lamps, a water pan, a test sample rack, a temperature and time control system and an indicator.

10.The lamp power is 40W, and the lamp length is 1200mm. The uniform working area of ​​the test box is 1140×500mm.

11.The lights are installed in a row of four, and installed in two rows. The tubes of each row are installed in parallel, and the center distance of the lights is 70 mm.

12.The test sample is fixedly installed at a position 50 mm away from the nearest parallel surface of the lamp surface. 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 due to the temperature difference between the test sample and the air in the box. 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.

13.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.

14.The temperature of the test box is measured by a sensor fixed on a black aluminum plate (black board) 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 central area of the exposure test. The measuring range of the thermometer is 30～80℃. , The tolerance is ±1℃. The light and condensation stage should be controlled separately, and the condensation stage is controlled by the heating water temperature.

15.The test box should be placed in a test room with a temperature of 15～35℃, 300mm away from the wall, and the influence of other heat sources should be prevented. The air in the test room should not circulate strongly, so as not to affect the light and condensation conditions.