● UV test chamber simulates damaging effects of long term outdoor exposure of materials and coatings by exposing test samples to varying conditions of the most aggressive components of weathering – ultraviolet radiation, moisture and heat.
● UV test chamber use fluorescent lamps to provide a radiation spectrum centered in the ultraviolet wavelengths. Moisture is provided by forced condensation, and temperature is controlled by heaters. Based on your testing sample’s size, We has two options uv test chambers for choice.
● Features: Rational construction and fast cooling rate.
● Frequency conversion control of wind speed. Accelerated Weathering Tester
● Adopts international brand of imported parts for cooling system to improve operation reliability.
● Touch screen controller, friendly Man-Machine interface and safety device to ensure simple operation and easy maintenance.
The Wewon UV test chamber meet GB/T14522-93 the method that mechanical products be accelerated tested in a artificial way with plastic, paint, rubber meterial, GB/T2424.14-1995 basic environmental testing procedures of electrical and electronic products, American material test institute ASTMG53-84 test method that non-metallic material exposed to fluorescent UV condensation
● Control System: High precision temperature control instrument, With Korea Temi 880 touch screen controller
● Programmable time controller (set test time, illumination time, condensation time, spraying time )
● Electronic Components: Adopt product of national joint venture company
● Main Configuration: Temperature controller , time controller, illumination time accumulator, inflow magnetic valve, UV lamps.
|Type and Description||WE-UV600-C||WE-UV800-C|
|Test Sample Quantity||About 40 pieces with||dimension of 150×75mm|
|Chambers Size (D×W×H)||500×1300×1450mm||550×1500×1500mm|
|Humidity Uniformity||Within ±2%||Within ±2%|
|Temperature Uniformity||Within ±1C||Within ±1C|
|Temperature Fluctuation||Within ±0.5C||Within ±0.5C|
|Distance From Sample to Light||50mm||50mm|
|Sink Depth Requirement||Control automatically|
|Test Time||0-999H (can be adjustable)|
|Function 01||The chamber is with spray function|
|Function 02||The chamber with spray function|
|Temperature Controller||With Taiwan Delta touch screen controller||Japan Mitsubishi PLC control system|
|Time Controller||Japan Omron time controller|
|Light Heating System||Totally independent systems,||Nickel-chromium alloy electric heater|
|Humidification System||All stainless steel shallow surface||Evaporative humidifier|
|Water Supply System||Supply water automatically|
|Exposure Mode||Exposure with moisture||Condensation and light radiation|
|Safety Protection||Leakage, short circuit, over-temperature, water shortages,||Over-current protect/controller power memory protection|
|●||Question 1. Explain what is the relationship between UVA and nm ?|
|●||Answer: The wavelength range: 315～400nm, we named it’s UVA light.|
|●||Question 2. UVB lamps degrade material quicker than UVA lamps … correct ? Why ?|
|●||Answer: The wavelength range: 280～315nm, we named it’s UVB light. Because it’s short wavelength, It maks the testing material with a faster degradation.|
|●||Question 3. What is Irradiance ?|
|●||Answer: Irradiance is the unit, the lighting/ lamp’s strength. Unit: W/m2|
|●||Question 4. Is the test data downloaded to a spreadsheet or other format ?|
|●||Answer: Yes, You can use a USB and take it into the USB port of UV test chamber. The test data will transfer to USB automaticlly, You can check the data by computer by Excel formt.|
|●||Question 5. Single or Three phase power ?|
|●||Answer: We have single phase 230V, 50Hz, and three phase 380V, 50Hz for your options.|
|●||Question 6. Does Wewontech also provide color identification test units? For instance I would place my material into the UV test unit and I’d like to measure the change in color (if any) from before test and after test.|
|●||Answer: We don’t have the color identification equipment. If you found a good supplier from China, We can buy it for you and shipping to you together with our UV test chamber.|
|●||Question 7. How long does it take to simulate a 12 month test? And do you simply double this time frame for a 24 month test? Triple for a 36 month test, etc ?|
|●||Answer: It depends on different testing environmental. For examples, In Guangdong, China, The outdoors temperature range: +15– +20C, Testing 1 day in UV test chamber equal to simulate 28-30 days for outdoors test.|
|●||Question 8. Can you pause a 36 month test at the 12 and 24 month point to inspect and record information ?|
|●||Answer: Normally, The deterioration degree is nonlinearity, It can not doing a simple adding way !|
What is the general irradiance range for the UV test ? The UV test chamber has eight ultraviolet lamps with spray system and humidification system. The machine able to simulate the environment of light, spray, condensation, etc., to carry out aging test on test samples. There has UVA 340, UVB 313 and UVA 351 tubes which can be used for UV testing.
Generally, UVA340 lamps are popular used for a long time on the market, with a wavelength range of 290~340nm. The irradiance of the UV test chamber is generally 40W ~ 50W/M2. Wewon Tech’s UV test chamber has a dimmable system, It can realization of UV aging test with real. Ultraviolet irradiance is adjustable from 15W to 45W/M2 at 290nm ~ 400 nm, [email protected], [email protected] Choose Wewon Tech’s UV chamber, You can realize the aging performance test for different test samples.
Here are some international testing standard what Wewon UV Test Chamber comply with. In another words, If you are looking for a UV test chambers and use below testing standard for your test work. Then please inquiry to us, Because we are the right UV test chamber manufactuere for you.
|●||ISO 11507 Paints and varnishes — Exposure of coatings to artificial weathering — Exposure to fluorescent UV lamps and water|
|●||ASTM D4799 Standard Practice for Accelerated Weathering Test Conditions and Procedures for Bituminous Materials (Fluorescent UV, Water Spray, and Condensation Method)|
|●||ASTM D6662 – 17 Standard Specification for Polyolefin-Based Plastic Lumber Decking Boards|
|●||ISO 4892-3:2016 Plastics — Methods of exposure to laboratory light sources — Part 3: Fluorescent UV lamps|
|●||EN 927-6 Paints and varnishes – Coating materials and coating systems for exterior wood – Part 6: Exposure of wood coatings to artificial weathering using fluorescent UV lamps and water|
|●||ASTM G154 – Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials|
|●||SAE J2020 Accelerated Exposure of Automotive Exterior Materials Using a Fluorescent UV and Condensation Apparatus|
|●||ASTM D4587 Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings|
|●||JIS K 5600-7-8:1999 Testing methods for paints – Part 7: Long-period performance of film – Section 8: Accelated weathering (Exposure to fluorescent UV lamps)|
|●||AATCC 186 Weather Resistance: UV Light and Moisture Exposure|
|●||ASTM G53-96 Practice for Operating Light- and Water-Exposure Apparatus (Fluorescent UV-Condensation Type) for Exposure of Nonmetallic Materials|
|●||BS 2782-6: Methods 620A to 620D: 1991|
Wewon Environmental Chambers Co., Ltd. as a Accelerated Weathering Testers Supplier for abroad partners many years ! The mainly product from Wewon : UV test chamber, accelerated weathering testers, accelerated weathering testers, UV weather test chambers, UV light accelerated weathering testers.
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