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Accelerated Weathering Test Chamber
The Accelerated Weathering Test Chamber (LEUV) reproduces the effect of sunlight with fluorescent ultraviolet lamps and the effect of rain and dew with condensing humidity or water spray, running the exposure and condensation cycles automatically. In days or weeks it produces the fading, color change, chalking, cracking, crazing, embrittlement and strength loss that take months or years outdoors, so that materials can be compared and selected. Referenced methods are ASTM G154, ISO 4892, ASTM D4587, ASTM D4799, SAE J2020 and GB/T 16422.3.
How it works
Specimens are fixed on shelves facing the lamps; specimens and shelf form the trapezoidal inner wall of the chamber, and empty positions are filled with black board to keep the chamber sealed. The cover is a two-way flip type. Test temperature is 50, 60 or 70 °C, with 60 °C recommended; condensation runs at 50 °C and temperature fluctuation is ±3 °C. Two cycle programs are given: 4 h UV then 4 h condensation, or 8 h UV then 4 h condensation. UVA-340 and UVB-313 lamps are offered; UVB-313 accelerates aging more, UVA-340 is used for weathering resistance work. Irradiance is adjustable on all models and displayed on the LEUV-178-3, LEUV-150 and LEUV-230.
Parameter Value Models LEUV-178-1, -178-2, -178-3; LEUV-150-1, LEUV-150-2 (anti-yellowing bulb); LEUV-230 Temperature RT+10 to 70 °C; UV stage +40 to +85 °C (+95 °C on 178-2); condensation +40 to +60 °C Humidity 95% RH or higher Test capacity 48 pieces of 75 x 150 mm or 75 x 300 mm, or customized Water Purified or distilled, 8 L/day Lamps 4 or 8 pcs; about 24 lamps per year Power 1.5 to 1.8 kW; 110 V or 220 V single-phase, 380 V three-phase, 50/60 Hz What is included
- Chamber with UV lamps, specimen shelves and automatic cycle control
- Condensation and water spray on all models except LEUV-178-1
- Optional: recorder, calibration radiometer
Specify for your project
- Model and chamber size
- Lamp type, UVA-340 or UVB-313, and lamp count
- Specimen size and count, or non-standard holders
- Cycle program and test temperature
- Whether irradiance display, recorder and radiometer are required
- Supply voltage and phase
This description defines the product family. Guaranteed performance, included hardware, exclusions, interfaces and acceptance criteria are stated only in the project-specific technical proposal and approved datasheet.
The UV aging test chamber simulates the effect of sunlight with fluorescent ultraviolet(UV) lamps and carry out these circles automatically. While it simulates rain and dew with condensing humidity or waterspray. In a few days or weeks,the UV can reproduce the damage that occurs over months or years outdoors. The damages include fading, color change, chalking, cracking, crazing, embrittlement, strength loss.,etc. The test data can help you to select the new materials or improve the performance of materials. Chamber cover introduces the two-way flip type for easy opening and closing. Test specimen and the shelf constitute the trapezidal inner wall of the chamber.
Experimental Methods:
Fix the samples on shelves and face the fluorescent lamp.There are not enough samples for selves,please fill it with black board to make sure the test chamber sealed.Testing temperature:can adopt 50，60 or 70℃.Recommend 60℃ for test,temperature of condensation is 50°C,temperature fluctuation is ±3°C.The cycle of condensation includes two cycles:1, 4 hour UV lamp and 4 hour condensation; 2, 8 hour UV lamp and 4 hour condensation.
Corresponding Standard:
- ASTM G154-00A Accelerated aging test
- GB/T16422.3-1997 Plastic exposure to sunlight test
- ISO-4892,ASTM-4587,D4799,SAE-J2020
Technical parameters:
Model No LEUV-178-1 LEUV-178-2 LEUV-178-3 LEUV-150-1 LEUV-150-2 Anti-yellowing bulb LEUV-230 Working room(L) Standard Standard Standard 150 Square 150 Square 230 Square Inner chamber size(mm)W*H*D 500*500*600 700*300*1100 Exterior chamber size(mm)W*H*D 1370*530 *1350 1050*970*1750 Packaging volume(CBM) 3 3 3 2.5 2.5 3.5 G.W.(KGs) 136 136 136 250 250 300 Performance Exposure √ √ √ √ √ √ Condensation √ √ √ √ √ Irradiance display √ √ √ √ adjustadble Irradiance √ √ √ √ √ √ Spray √ √ √ √ √ Recorder Optional CR-10 Calibration Radiometer Optional Temperature range RT+10℃～70℃ Humidity range ≥95%RH UV temperature +40～+85℃ +40～+95℃ +40～+85℃ +40～+85℃ Condensation temperature +40～+60℃ +40～+60℃ +40～+60℃ Test capacity 48pieces(75×150mm）or （75*300mm) ,can be customized to your nonstandard request. Customized to your nonstandard request Water source & consumption Purified water or distilled water 8L/day Required QTY of UV lamps each year Approx 24 pcs/year UV lamp optional Optional 4pcs Optional 8pcs Model of UV lamp UVB313L、UVA340 American original imported UV313L,UVA340 Remarks Regarding to UV lamps,we provide Q-labUVA340 and UVB313,in principle,UVB-313 has more advantage of accelerating aging,but UVB-340 takes more advantage of weather-proof.So it depends on your requests to make the choice. Power supply AC 1Ψ 110V;AC 1Ψ 220V;3Ψ380V 60/50Hz Power(KW) 1.8 1.5 1.8 1.8 1.8 1.8 Customized service Welcome to Non-standard,Specail requirements,OEM/ODM orders.
| Brand | Coretest |
