Air-cooled Xenon Arc Weathering Test Chamber is an important weathering testing equipment. The following is a detailed introduction:

I. Definition and Purpose

The air-cooled xenon arc weathering test chamber uses an air-cooling method to cool the lamp and employs a xenon arc lamp that can simulate the full spectrum of sunlight as the light source. It provides corresponding environmental simulation and accelerated testing for scientific research, product development, and quality control. It is mainly used to evaluate the weather resistance and service life of materials in natural environments.

II. Structure and Function

Shell and Inner Chamber:

The shell is usually made of A3 steel plate processed by CNC machine tools and treated with spray coating to enhance its corrosion resistance and aesthetics.

The inner chamber is made of SUS304 stainless steel plate, which has excellent corrosion resistance and high-temperature resistance.

Insulation Material:

High-density glass fiber cotton and high-pressure polyurethane foam are used as insulation materials to ensure temperature stability inside the test chamber.

Temperature and Humidity Circulation System:

Equipped with a specially designed air-conditioning-type low-noise long-axis fan motor to achieve intensive convective vertical diffusion circulation, ensuring uniform distribution of temperature and humidity inside the test chamber.

Light Source and Filter:

The spectral energy distribution of the xenon lamp is very similar to the ultraviolet and visible light parts of sunlight, making it an ideal light source for simulating sunlight.

By using appropriate filters, the spectrum of ground-level sunlight can be simulated while removing short-wave radiation to reduce damage to samples.

III. Technical Parameters and Performance Indicators

Internal Volume: 150L

Test Area Inner Chamber Dimensions: W(500)mm × H(600)mm × D(500)mm

Overall External Dimensions (approx.): W(1020)mm × H(1770)mm × D(1060)mm

Weight: Approx. 250KG

Wavelength and Irradiance Intensity

① 0.1～0.7w/㎡(at340nm); Commonly used (optional)

②0.1～1.5w/㎡(at420nm); Commonly used (optional)

③1～70w/㎡(at290nm～400nm); (Optional)

④300～800w/㎡(at290nm～800nm); (Optional)

Standard configuration: choose one of the four. Additional wavebands require additional cost; please specify when ordering.

Temperature Range: Generally RT+10℃～70℃ (RT stands for room temperature).

Humidity Range: Usually 50%～98% R.H., to meet different testing needs.

Rainfall Time and Cycle: Rainfall time adjustable from 0～9999min; rainfall cycle can also be set according to requirements.

IV. Air-cooled Xenon Arc Weathering Test Chamber Application Areas

The air-cooled xenon arc weathering test chamber is widely used in various fields, including but not limited to:

Automotive Industry: Testing the light resistance and weather resistance of car paint, interior materials, and external plastic parts.

Coatings and Paints: Evaluating the aging resistance and anti-fading performance of coatings.

Plastic and Rubber Products: Inspecting the stability and mechanical properties of products under long-term outdoor conditions.

Textiles: Studying the color fastness of dyes, as well as the light resistance and UV resistance of fibers.

Construction and Building Materials: Evaluating the durability of roofing materials, exterior wall coatings, and sealants.

V. Advantages and Features

Air-Cooling System: Compared to water-cooling systems, the air-cooling system is simpler, more economical, and avoids excessive heat generation caused by discharging large amounts of air through the lamp clamp.

Operation and Maintenance: The slide-out sample tray of the flat-panel xenon test chamber allows for quick, easy, and flexible sample installation. Maintenance is convenient, with simple lamp installation and replacement, and its filters do not require replacement.

Irradiance Calibration: The flat-panel irradiance calibration system uses a radiometer, making the calibration process simple and fast.

Mobility: Air-cooled xenon arc weathering test chambers are usually equipped with casters for easy movement and placement.

VI. Operation and Maintenance

Operation:

Before testing, set the light intensity of the xenon lamp, temperature and humidity parameters, and test cycle according to the material characteristics and expected usage environment.

Place the samples on the adjustable-height flat sample rack inside the test chamber, ensuring the samples are installed facing the light source. During testing, they can be rotated or repositioned according to the set program to ensure each sample receives uniform light exposure.

Maintenance:

Regularly check the cleanliness inside the equipment to ensure it is free of dust and debris.

Regularly inspect the irradiance and service life of the lamp, and replace aging lamps in a timely manner.

Regularly check the control system and sensors of the equipment to ensure they are functioning properly.

In summary, the air-cooled xenon arc weathering test chamber is a powerful, easy-to-operate, and widely used weathering testing equipment. By simulating factors such as light, temperature, and humidity in natural environments, it accelerates the material aging process, thereby predicting the durability of materials in actual use.