Ultraviolet Aging Test Chamber

Ultraviolet Aging Test Chamber is a laboratory testing system specifically designed for photovoltaic module ultraviolet preconditioning. The chamber simulates long-term outdoor exposure of photovoltaic modules to solar ultraviolet radiation, reproducing UV-induced material aging effects under controlled conditions. By accelerating natural ultraviolet exposure in a laboratory environment, the equipment enables evaluation of ultraviolet aging impacts that would normally take months or years outdoors, supporting verification of UV resistance and structural reliability of photovoltaic modules and encapsulation materials.

Application

Ultraviolet aging performance evaluation of complete photovoltaic modules

UV resistance testing of photovoltaic glass, backsheet, EVA, POE, and other encapsulation materials

Reliability type testing and factory consistency verification of photovoltaic modules

Accelerated ultraviolet aging tests during the research and development of new photovoltaic structures and materials

Testing services for third-party photovoltaic inspection and certification laboratories

Ultraviolet aging research for outdoor electrical equipment and optical materials

Standards

(1)IEC 61215 Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval

(2)IEC 61646 Thin-Film Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval

Parameters

Features

Large irradiation area suitable for full-size photovoltaic module testing

Independent UVA and UVB dual-band monitoring compliant with IEC standard requirements

High irradiance intensity effectively shortens test duration

Precise irradiance uniformity control ensures consistency and comparability of test results

Real-time module surface temperature monitoring prevents non-UV-related thermal degradation

Extremely low ozone generation avoids additional material aging effects

Touchscreen human–machine interface enables intuitive parameter setting and traceable operation status

Accessories

(1)Xenon lamp set (standard configuration)

(2)UVA fiber-optic probe (320–385 nm)

(3)UVB fiber-optic probe (280–320 nm)

(4)High-precision surface temperature sensor

(5)Control system (touchscreen and control module)

(6)Dedicated power supply and connection components

Test Procedures

Confirm normal status of the light source, temperature sensors, and irradiance probes before testing

Install photovoltaic modules according to standard requirements, ensuring the irradiated surface is perpendicular to the light source

Set irradiance intensity, test duration, and module surface temperature

Start the ultraviolet aging test and monitor system parameters in real time

Keep the chamber door closed throughout the test to prevent ultraviolet leakage

If irradiance or temperature exceeds preset limits, the system automatically cuts off the light source

After test completion, allow modules to cool to a safe temperature before removal

Maintenance Information

Regularly inspect xenon lamps and replace them according to specified service life

Periodically calibrate UVA and UVB probes to ensure measurement accuracy

Check temperature sensors and control systems for stable operation

Keep the irradiation chamber clean to maintain irradiance uniformity

Verify sealing components to prevent UV leakage and ensure operator safety

Conclusion

The Ultraviolet Aging Test Chamber provides a controlled and accelerated method for evaluating ultraviolet aging effects on photovoltaic modules and encapsulation materials. With large irradiation capacity, precise UVA and UVB monitoring, stable temperature control, and high irradiance uniformity, the system supports reliable assessment of UV resistance and long-term performance stability. It is a key testing platform for photovoltaic product development, certification, and quality verification.

FAQ

What is the primary function of the Ultraviolet Aging Test Chamber for photovoltaic modules?

The chamber is designed to simulate long-term outdoor ultraviolet exposure under controlled laboratory conditions. By reproducing UVA and UVB radiation using a xenon light source and maintaining stable surface temperature, the equipment accelerates material aging processes. This allows evaluation of ultraviolet resistance, structural stability, and performance durability of photovoltaic modules and encapsulation materials without waiting for extended outdoor exposure periods.

Why are both UVA and UVB bands independently monitored during testing?

Independent monitoring of UVA and UVB bands ensures compliance with IEC standards and provides accurate control of spectral energy distribution. Since different photovoltaic materials respond differently to UVA and UVB radiation, precise monitoring helps prevent overexposure or underexposure in specific wavelength ranges, improving the reliability and repeatability of ultraviolet aging test results.

How does the chamber prevent non-ultraviolet factors from affecting test results?

The system continuously monitors module surface temperature and controls it within 60 ℃ ±5 ℃. If temperature or irradiance exceeds preset limits, the light source is automatically shut off. In addition, negligible ozone generation minimizes secondary chemical effects, ensuring that material degradation is primarily caused by ultraviolet radiation rather than thermal or oxidative factors.

What types of photovoltaic products can be tested simultaneously?

The chamber supports simultaneous testing of two full-size photovoltaic modules with dimensions up to 2 m × 1 m each, making it suitable for complete module ultraviolet aging evaluations rather than small sample testing only.