Equipment for testing the performance of materials in various environments and testing the heat resistance, cold resistance, dry resistance and moisture resistance of various materials. Suitable for electronic, electrical, communication, instrumentation, auto parts, plastic and rubber products, metal, food, chemical, building materials, medical, aerospace, photovoltaic and other industries testing. This series of environmental test chamber can provide a simulation environment for users to inspect and test electronic and electrical components, spare parts or related industry experiment departments, and provide necessary conditions for the accuracy and consistency of test data (repeatable). The product has simple operation performance and reliable equipment performance, the most advanced and convenient operation of the measuring device, temperature and humidity controller, the use of advanced Chinese LCD screen touch screen, can carry out a variety of complex program Settings, program S