The multi-segment programmable PID controller adopts the TMHM balanced temperature and humidity control method, which can accurately control temperature and humidity with minimal fluctuations. 

An imported 304 mirror stainless steel liner is used, featuring four corners and a semi-circular arc transition, and the shelf bracket can be easily loaded and unloaded, making it convenient for cleaning inside the box. 

User-set parameters can be automatically stored in the event of a sudden power failure, and the original set programme can be run after the power is restored. 

An international brand compressor and circulating fan, with environmentally friendly refrigerant (R134a), offers high efficiency, low energy consumption, and promotes energy saving. 

A unique air duct circulation system ensures uniform temperature and humidity in the studio, with a diameter of Φ25mm test hole, making it easy to operate and test.