Climate chamber is applied to a variety of products, simulates various temperature and humidity environments, and can provide reliability and stable performance parameters under various harsh environments. Most importantly, this machine not only complies with ISTA standards but the following related standard ASTM D4332 etc. Also, it can meet the special temperature and humidity requirements in ISTA. For instance, high temperature and low humidity: 60°C~15%RH, low temperature and high humidity: 5°C~85%RH.