The outer shell and inner liner of the UV weather resistance test chamber are made of high-quality stainless steel, and the sample holder is composed of an aluminum alloy frame type base frame lining plate and tension spring. The main controller of the device is an intelligent touch control instrument, with a user-friendly design and easy to learn and use operation method. Different functional levels of instruments can be operated interchangeably and input using a digital calibration system, with commonly used thermocouples built-in for accurate and stable measurement. AI artificial intelligence adjustment function with positional adjustment, multiple alarm modes, irradiation light source: UCA340 (0.68W/m)