UV Accelerated Weathering Tester
Overview：
UV light is responsible for almost all photodegradation of durable materials exposed outdoors. The UV tester’s fluorescent lamps simulate the critical short-wave UV region of the solar spectrum and realistically reproduce the physical property damage caused by sunlight. Types of damage include color change, gloss loss, chalking, cracking, crazing, hazing, blistering, embrittlement, strength loss, and oxidation.
Dew, not rain, is responsible for most of the wetness that occurs in outdoor exposure. The UV test chamber's condensation system realistically simulates dew and accelerates its effect using elevated temperature.
The condensation process automatically purifies the ordinary tap water used in the system. This is because the process of evaporating and condensing the water onto the specimens is actually a distillation process, which removes all impurities. See the UV Brochure for details.
Standards：
The listed standards and specifications may include several alternative testing options. The instrument meets at least one option in any listed standard.
1、ASTM D series standards:ASTM D4329、ASTM D4587、ASTM D4799、ASTM D5208；
2、ASTM G series standards:ASTM G151、ASTM G154；
3、DIN EN series standards:DIN EN 12224、DIN EN 1297、DIN EN 13523-10、DIN EN ISO 4892-1；
4、ISO series standards:ISO 11997-2、ISO 16474-3、ISO 4892-3；
5、EN 927-6、prEN 1062-4、SAE J2020
Product Advantages：
Cost-Efficient Performance: Low operational and maintenance costs, paired with intuitive operation for seamless integration into any lab.
Advanced Automation: Programmable controller enables unattended test cycles with precise timing and automatic transitions between light, condensation, and dark phases.
Consistent & Repeatable Results: Stable UV output and tight temperature uniformity (±3℃) guarantee high repeatability across tests.
Versatile Simulation: Replicates harsh natural climates—UV radiation, humidity, condensation, and thermal cycling—to accelerate aging processes.
Customizable Testing: Optional UV-A340 (315–400nm) or UV-B313 (280–315nm) lamps cater to diverse material requirements.
Easy to Use：
The UV tester’s simple, proven design makes it easy to install, easy to use, and almost maintenance-free. The UV tester is completely automated and can operate continuously, 24 hours per day, 7 days per week. Other features include:
Supports customization services for multiple operating languages;
Built-in Ethernet connection for data logging
Comprehensive self-diagnostic warnings and service reminders
Quick and easy calibration with patented AUTOCAL system
Designed for safety in operation, calibration and maintenance
Product Features：
Multi-Factor Aging Simulation: Combines UV exposure, high-temperature aging, and condensation cycles to evaluate color fading, strength loss, cracking, oxidation, and adhesion failure.
Intelligent Cycle Control: Programmable light/condensation cycles (e.g., 4H/4H or 8H/8H) with a 0–9999h59min timer.
Real-Time Monitoring: Digital displays track temperature, humidity, and irradiation intensity during testing.
Compact Design: Optimized chamber layout ensures uniform UV distribution and efficient space utilization.
Wide Applicability: Ideal for geosynthetics, automotive coatings, plastics, textiles, and rubber products.
Accessories ：
UV Lamps: 4pcs UV-A340 or UV-B313 (user-selectable).
Sample Holders: Adjustable racks for flat specimens (max. 12 samples).
Humidity Sensor: Precision probe for condensation monitoring.
User Manual: Multilingual guide (English/Chinese) with safety protocols.
Calibration Certificate: Traceable to NIST standards.
Technical Parameters：
| Parameter | Specification |
|---|---|
| Light Temperature Range | RT +10℃ to 70℃ |
| Condensation Temperature | 50℃ (steam humidification) |
| Temperature Uniformity | ±3℃ |
| Irradiation Intensity | 0.55 W/m² (at 340nm) |
| UV Wavelength Options | UVA (315–400nm) or UVB (280–315nm) |
| Light/Condensation Cycle | 0–9999h59min (adjustable) |
| Lamp Center Distance | 70mm |
| Sample-to-Lamp Distance | 55mm |
| Control System | Microprocessor PID with overheat protection |
Our UV aging tester has the same performance as the QUV Accelerated weathering tester and is a perfect alternative to the QUV Accelerated weathering tester. We use the same power supply and lamps, the same spectral range, and the parameters and performance are exactly the same as the QUV Accelerated weathering tester.
Our UV weathering tester is also a perfect replacement for the Atlas UVTest® Fluorescent / UV Instrumentand meets all the testing standards of that model.
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