UV Accelerated Weathering Tester
The UV Accelerated Weathering Tester is a laboratory testing instrument designed to evaluate the weathering resistance and durability of materials exposed to ultraviolet radiation, temperature, and moisture conditions. By simulating long-term outdoor environmental exposure, the tester helps analyze material changes such as color fading, gloss loss, cracking, chalking, and surface degradation. Equipped with UV fluorescent lamps, blackboard temperature (BPT) control, touchscreen operation, and optional spray functions, this UV aging chamber is widely used for material research, quality control, and product reliability evaluation.
Standard：
ASTM D4329、ASTM D4587、ASTM D4799 、ASTM D5208、ASTM G151、ASTM G154 、EN 927-6、EN 1297 、EN 1898 FIBC、EN 12224 、EN 13523-10 、ISO 4892-1、ISO 4892-3、ISO 11507、ISO 11895 、ISO 11997-2 、SAE J2020、EN 1062-4
Advantages：
UV aging chamber innovative design, compared with other UV fluorescent aging test chamber, to achieve the high performance with ease of use, accuracy and safety of a higher standard, the verification performance in line with or even more than other brands. Multi-language touch screen interface, through the Ethernet connection for data collection, high security, optional recirculation spray device. More other unique user easy to operate using the features
Features：
1, 8 pieces of 40-watt UV fluorescent tubes
2, blackboard temperature (BPT) control
3, safety protection device: open the door after the dual protection of hardware and software; low water level protection; over-temperature protection
4, in line with CE standards and UL and CSA certification
5, the sample rack
6, touch screen display
7, irradiance calibration safety interface
8, easy to operate the sample fixed ring
Technical Parameters：
| Parameter | Specification |
|---|---|
| UV Lamp Quantity | 8 pieces × 40 W UV fluorescent tubes |
| Irradiance Uniformity | ≤4% over entire specimen surface |
| Irradiance Range | UVA/UVB: Minimum 0.35 W/m²; Maximum UVA 1.55 W/m², UVB 1.23 W/m² |
| Blackboard Temperature (BPT) | UV stage: 35–80°C (95–176°F) |
| Condensation Stage BPT | 35–60°C (95–140°F) |
| Sample Capacity | 48 specimens + BPT on 24 sample clamps |
| Spray Water Pressure | 25–40 psi (1.7–2.7 bar) |
| Spray Water Requirements | Dissolved solids <1 ppm, silicon <0.1 ppm, conductivity <5 μS/cm |
| Condensation Water Pressure | 2–60 psi (0.1–4.1 bar) |
| Display Interface | Touchscreen control |
| Data Collection | Ethernet connection supported |
| Weight | Approx. 140 kg (depending on accessories) |
| Power Supply | 120VAC ±10%, 50/60Hz, 12A; 230VAC, 50/60Hz, 8A |
Accessories:
1, circulating water spray
2,12 standard nozzles
3, hand-held radiation calibrator
4, through the Ethernet data acquisition procedures
5, superimposed kit
6, radiation control (340 nm, 313 nm, 351 nm)
7, nozzle can be customized for the user
FAQ
(1) What materials can be tested with a UV Accelerated Weathering Tester?
The UV Accelerated Weathering Tester is commonly used for testing non-metallic materials that may experience outdoor exposure, including coatings, plastics, rubber, automotive components, and building materials. The suitable test method depends on the material type and applicable standard, such as ASTM G154 or ISO 4892-3.
(2) How do I choose the correct UV Accelerated Weathering Tester configuration?
When selecting a UV Accelerated Weathering Tester, users should consider required standards, UV lamp type, irradiance range, temperature control requirements, spray functions, and sample capacity. Laboratories should confirm whether their testing requires UV exposure only or combined UV, condensation, and water spray cycles.
(3) What is the difference between UV aging testing and natural outdoor exposure testing?
The UV Accelerated Weathering Tester uses controlled UV radiation, temperature, and moisture conditions to reproduce outdoor aging effects within a shorter laboratory testing period. Compared with natural exposure testing, accelerated testing provides more controlled conditions and better repeatability for material comparison and development.
(4) Why is irradiance calibration important for a UV Accelerated Weathering Tester?
Irradiance calibration is important because UV intensity directly affects aging test results. The UV Accelerated Weathering Tester includes an irradiance calibration interface to help users verify exposure conditions and maintain consistent test accuracy during long-term laboratory operation.
(5) What should be maintained regularly on a UV Accelerated Weathering Tester?
Regular maintenance of the UV Accelerated Weathering Tester includes checking UV lamps, cleaning the chamber, maintaining water quality, inspecting spray nozzles, and verifying temperature and irradiance systems. Proper maintenance helps ensure stable test conditions and reliable weathering evaluation results.
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