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Standard combined design, using SUS304 stainless steel and salted steel plate, solid structure, waterproof and beautiful. The scientific air circulation design makes the indoor temperature (humidity) uniform and avoids any dead angle. The inner volume can be designed according to the needs of the user's environment, which ensures the applicability, efficiency and energy saving of the equipment. The temperature and humidity instrument adopts Chinese and English true color touch screen and imported PLC, temperature controller to form a distributed control system