ASTM ISO Standard Box-Type UV Aging Chamber with Touch Screen Simulation Sunlight Rain and Dew Test Equipment (RT-308B)

box-type accelerated aging testing chamber
box-type accelerated aging testing chamber
box-type accelerated aging testing chamber
box-type accelerated aging testing chamber
box-type accelerated aging testing chamber
box-type accelerated aging testing chamber
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RT-308B UV Accelerated Aging Test Chamber

UVA-340 Accelerated Aging Test Chamber

The UVA-340 fluorescent UV lamp is used as the light source to simulate sunlight, rain, and dew, reproducing outdoor weathering in a controlled and accelerated environment.

During the test, samples are exposed to alternating cycles of UV light and moisture at a set temperature. Within days or weeks, the chamber can simulate months or years of natural aging. Typical damages include fading, discoloration, cracking, chalking, turbidity, brittleness, and oxidation.

The chamber features a spraying device to simulate rainfall and can recreate multiple environmental conditions such as UV, high temperature, humidity, condensation, and darkness.

It automatically monitors black panel temperature and water bath temperature for stability. With an optional irradiance control system, the light intensity can be kept at 0.76 W/m² @ 340 nm or a preset value, extending the lamp lifespan and ensuring consistent test results.

Product Details：

box-type accelerated aging testing chamber

box-type accelerated aging testing chamber

I. Equipment Summary

(1) The QUV is the most widely used weathering test machine globally.
(2) It has become the global standard for accelerated weathering testing in laboratories: compliant with ISO, ASTM, DIN, JIS, SAE, BS, ANSI, GM, U.S. GOVT, and other national standards.
(3) Rapidly and realistically replicates the damage caused by sunlight, rain, and dew to materials: In just a few days or weeks, the QUV can replicate the damage that would take months or years to occur outdoors, including fading, discoloration, loss of brightness, chalking, cracking, blurring, brittleness, loss of strength, and oxidation.
(4) Reliable aging test data from the QUV can accurately predict the weather resistance (aging resistance) of products and assist in the selection and optimization of materials and formulations.
(5) Widely applicable across industries, such as: coatings, inks, paints, resins, plastics, printing and packaging, adhesives, automotive motorcycle industries, cosmetics, metals, electronics, electroplating, pharmaceuticals, etc.

II. Meet Standard

Compliant with international testing standards: ASTM D4329, D499, D4587, D5208, G154, G53; ISO 4892-3, ISO 11507; EN 534; prEN 1062-4, GB/T 2423.24; BS 2782; JIS D0205; SAE J2020 D4587, and all current UV aging test standards.

box-type accelerated aging testing chamber

III. Structural Material

1. Test chamber dimensions:
1050 × 600 × 450 mm
2. Overall dimensions:
1400 × 770 × 1630 mm
3. Unit Material:
304 stainless steel interior and exterior
4. Specimen Rack:
Aluminum alloy frame with viewing panel
5. Controller:
TIMI880 (Full-touch programmable controller)
6. Power Supply:
Ground fault circuit interrupter with overload/short circuit alarm, over-temperature alarm, and low-water protection

IV. Technical Specifications

1. Operational Requirements: Capable of radiation, spray, and condensation cycle operations;
2. Built-in water tank;
3. Displays temperature and humidity;
4. Temperature Range: RT+10°C to 70°C;
5. Illumination Temperature Range: 20°C to 70°C / Temperature tolerance: ±2°C;
6. Temperature Fluctuation: ±0.5°C;
7. Humidity Range: ≥90% RH
8. Humidity Fluctuation: ±2%;
9. Lamp Center Distance: 70 mm;
10. Sample-to-Lamp Center Distance: 50 mm;
11. Water Tank Depth Requirement: 25 mm, automatically controlled;
12. Effective Irradiation Area: 1100 × 710 × 400 mm;
13. Radiant intensity: 0.68 W/m² adjustable within 340 nm;
14. UV wavelength: UV-A range 315–400 nm;
15. Black panel thermometer range: 20°C–90°C / Temperature tolerance ±1°C;
16. UV light and condensation time alternately adjustable;
17. Blackboard temperature: 40°C to 65°C;
18. Lamps: L=1200/40W, 8 units (UVA lifespan >1600 hours)
19. Controller: TIMI880 (touchscreen controller; programmable for illumination, rainfall, condensation; adjustable temperature range and timing)
20. Temperature control method: Operated via controller interface
21. Water depth in tray: 25mm (automatically controlled)
22. UV wavelength range: 280~340nm
23. Test duration: 0~999H (adjustable)
24. Unit features automatic spray function
box-type accelerated aging testing chamber

V. Structural Specifications

1. The cabinet is manufactured using CNC equipment with advanced technology, featuring sleek lines and an aesthetically pleasing design.
2. The cabinet material is 1.0mm thick 304SUS premium stainless steel.
3. The internal air duct employs a single-cycle system with one imported axial fan, enhancing airflow and heating capacity while significantly improving temperature uniformity within the test chamber.
4. Water source and consumption: Tap water or distilled water, approximately 8 liters per day.
5. Heating method: Internal water tank heating for rapid temperature rise and uniform distribution.
6. Door design: Single-direction pull-type for effortless, smooth closing.
7. Automatic water replenishment in inner tank prevents dry-firing damage to heating elements.
8. Sample racks constructed from stainless steel or aluminum alloy.
9. Unit base secured with high-quality PU casters.
10. Drainage system utilizes U-shaped sediment trap.
11. Sample surfaces maintain parallel alignment with UV lamp plane.
12. Internal spray system with automatic nozzles and adjustable water pressure.

box-type accelerated aging testing chamber

box-type accelerated aging testing chamber

VI. Safety Protection Devices

1. Grounding protection
2. Power overload/short-circuit circuit breaker
3. Control circuit overload/short-circuit fuse
4. Low-water protection
5. Over-temperature protection.

VII. Temperature Control

UV: First-order optical reactions are insensitive to changes in temperature. However, the subsequent second-order reaction rate is closely related to temperature variations. Generally, reaction speed increases with rising temperature. Therefore, temperature control is critical during UV exposure testing. More importantly, the accelerated test temperature must match the maximum temperature the material will encounter in actual application. The UV process temperature within the equipment is set to any point between 50°C and 70°C, depending on the irradiance level and ambient room temperature. Temperature regulation is achieved through a microprocessor-based controller that directs systems such as air heaters and water heaters within the unit.
Humidity: The destructive effect of moisture on materials increases dramatically with rising temperature. Therefore, temperature control is the fundamental requirement during the humidity process. Furthermore, achieving accelerated effects necessitates maintaining a high-temperature environment throughout the humidity cycle. Consequently, the condensation process temperature is set to any point between 40°C and 60°C.
box-type accelerated aging testing chamber

VIII.Heating System

1. Utilizes U-shaped titanium alloy high-speed heating tubes.
2. Temperature control and illumination operate as completely independent systems.
3. Temperature control output power is calculated by a microcomputer to achieve high precision and energy efficiency.
4. The heating system features over-temperature protection:
1) Black panel temperature is controlled via a color touchscreen programmable controller or digital keypad temperature controller. Output power is calculated by a microcomputer with PID self-tuning. Monitoring uses a standard PT100 black panel temperature sensor.

2) Water bath temperature is controlled by a color touchscreen programmable Korean temperature controller. The water bath is located at the bottom of the chamber and incorporates an electric water heater. During testing, one phase involves a dark condensation process requiring the chamber to generate saturated water vapor at elevated temperatures. When this vapor encounters the relatively cooler specimen surface, condensation forms dew on the specimen.

 
box-type accelerated aging testing chamber

IX. Equipment Operating Conditions

1. Ambient Temperature: 5°C to +32°C;
2. Ambient Humidity: ≤85%;
3. Power Requirements: AC 220V (±10%) / 50Hz
4. Pre-installed Capacity: 3kW
box-type accelerated aging testing chamber

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ASTM ISO Standard Box-Type UV Aging Chamber with Touch Screen Simulation Sunlight Rain and Dew Test Equipment (RT-308B)

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