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QUV Accelerated Weathering Chamber adopts the fluorescent ultraviolet lamp that best simulates the UV segment spectrum in sunlight, and combines temperature control, moisture supply and other devices to simulate the sunlight (UV segment) that causes discoloration, brightness, intensity reduction, cracking, flaking, chalking, oxidation and other damage to the material, such as high temperature, high humidity, condensation, dark rain cycle and other factors, and at the same time, through the synergy between ultraviolet light and moisture, the single light resistance or single moisture resistance of the material is weakened or invalidated, which is widely used in the evaluation of the material's climate resistance. The equipment has the characteristics of providing the best sunshine UV simulation, low maintenance cost, easy to use, automatic operation of the equipment with control, high degree of automation of the test cycle, good light stability, and high reproducibility of test results.
The tower UV test chamber meets the test standards:
Plastics laboratory light source exposure test method ASTM D4329-05
Instrument operation method for UV aging of non-metallic materials ASTM
Rubber and plastic material artificial climate aging test method fluorescent ultraviolet lamp
Fluorescent UV lamp ISO-4892-1:2016, ISO-4892-2:2013, ISO-60335-1:2020.
Main Features:
1, Test chamber space: 450×1170×500mm
2. Dimension: 550×1300×1480mm
3. Unit material: inside and outside 304 stainless steel Controller imported from Korea
4. Specimen frame: aluminum alloy frame viewboard
5. Controller: 7 inch color touch screen program controller
6. Irradiation tube: UVA-340 8 branches of 4 sticks per side for a total of 2 sides
7. Power supply with leakage circuit breaker control loop overload short circuit alarm, over-temperature alarm, water shortage protection
temperature range | RT +10 °C ~ 80 °C |
Humidity range | ≥ 90%RH |
temperature uniformity | ± 1 °C |
Temperature fluctuation | ± 0.5°C |
The center distance in the lamp | 70mm |
The center distance between the test product and the lamp | 50±3mm |
Irradiance | adjustable within 10.0W/m2 |
lamp | L = 1200/60W, 8 (UVA/UVB service life of about 1800h) |
Controller | Color touch screen Korea (TEMI880) |
Temperature control mode | PID self-rectification SSR control |
Standard specimen size | 75×290mm |
Sink water depth | 25mm automatic control |
Effective irradiation area | 900×210mm
|
Ultraviolet wavelength: | UVA range is 315-400nm; The UVB range is 280-315 nm The UVC range is 100-280nm |
Test time | 0~999H (adjustable) |
irradiation blackboard temperature | 45 °C ~ 80 °C (UVA, B), 35 °C ~ 80 °C (UVC) |
Standard sample holder | 24 pairs
|
Safety | 1, ground protection 2, power overload short circuit breaker 3. Control loop overload, short circuit fuse 4, water shortage protection 5. Over-temperature protection |
The unit has automatic spraying function | |
ASTM D4329-05 Standard Practice for Fluorescent UV Exposure of Plastics
ISO 4892-1:2016
Plastics — Methods of exposure to laboratory light sources — Part 1: General guidance
ISO 4892-2:2013
Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps
IEC 60335-1:2020
Household and similar electrical appliances - Safety - Part 1: General requirements