1, Overview of UV aging chamber
Using fluorescent ultraviolet lamps similar to the UV spectrum in sunlight, combined with temperature control devices, to simulate factors such as high temperature, high humidity, condensation, and dark rain cycles that cause damage to materials such as discoloration, brightness, intensity decrease, cracking, peeling, pulverization, and oxidation in the UV segment. At the same time, the synergistic effect between ultraviolet light and moisture weakens or fails the material's single light resistance or single moisture resistance, As a result, it is widely used for evaluating the weather resistance performance of materials. The equipment provides the best sunlight UV simulation, has low maintenance costs, is easy to use, adopts control automatic operation, has a high degree of automation in the test cycle, good lighting stability, and high reproducibility of test results.
2, Structural material system:
1) Inner box size: W1170 × H500 × D450 (can be customized in non-standard sizes)
2) External dimensions: W1480 × H1300 × D550 (can be customized in non-standard sizes)
3) Body material: SUS304 # stainless steel plate
4) Sample holder: aluminum alloy frame type base frame visual panel
5) Controller: RKC intelligent controller
6) Radiation lamp tube: UVA-340 4 pieces
7) Power supply leakage circuit breaker control circuit overload short circuit alarm, over temperature alarm, water shortage protection
3, Technical parameters of UV aging chamber:
(1) Temperature range: RT room temperature~70 ℃
(2) Temperature uniformity: ± 1 ℃
(3) Temperature fluctuation: ± 0.5 ℃
(4) Humidity range 20~98% RH Temperature deviation ± 3.0% RH (>75% RH) ± 5.0% RH (≤ 75% RH)
(5) Center distance inside the lamp tube: 70mm
(6) Center distance between test object and lamp tube: 254mm ± 3mm
(7) Irradiance: adjustable within 1.0W/m2
(8) Light and condensation can be individually controlled
(9) Lamp tube: L=1200/40W, 4 pieces (UVA/UVB service life above 1600h)
(10) Controller: RKC intelligent controller.
(11) Temperature control method: PID self-tuning SSR control
(12) Standard specimen size: 76.2X50.8mm (larger specimens are also acceptable)
(13) Effective irradiation area: 900X210mm(14) UV wavelength: The UVA range is 315~400nm;
(15) Test time: 0-9999H (adjustable)
(16) Radiation blackboard temperature: room temperature~70 ℃
(17) Standard sample holder: The sample holder can adjust the distance between the sample and the lamp tube
4, Structural description:
1) The box is made of CNC equipment, with advanced technology, smooth lines, and beautiful appearance
2) The box material is 1.2mm thick SUS304 high-grade stainless steel
3) The air duct inside the test box adopts a single circulation system with an imported axial flow fan, which improves the air
flow brightness and heating capacity, and significantly improves the temperature uniformity inside the test box
4) Lamp tube: dedicated ultraviolet lamp tube, single row, total of 4 pieces, 40W/piece
5) Lamp lifespan: over 1600h
6) Install a total of 4 UVA ultraviolet tubes on the top of the studio
7) The heating method is the circulating air heating of the heating tube, with fast heating and uniform temperature
distribution
8) The box cover is a two-way flip type, making it easy to close with ease
9) There is an overtemperature protection device inside, and heating automatically stops when the temperature exceeds the limit
10) The sample holder is made of stainless steel
11) The surface of the test sample is parallel to the plane of the UV lamp
5, UV aging box safety protection device:
(1) Grounding protection
(2) Power overload short circuit breaker
(3) Control circuit overload and short circuit fuse
(4) Over temperature protection
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