Constant temperature and humidity testing machine can simulate a variety of temperature and humidity testing use of temperature and humidity environment for detection electronics, electrical appliances, food, automotive, rubber, plastic rubber, metal and other products to meet the GB / T2423, GJB150A1 / 4 to harsh environments Reliability machine stable performance parameters, and we will provide you with pre and improvement based on product quality and reliability. Second, the constant temperature and humidity testing machine features 1, high stability of the platinum PT-100 temperature resistance body, 2, LCD touch in English / touch-screen 3, with multiple sets of PID control function, 4, with RS- Programming control and fixed control system 232C / 485C computer interface control even five, can simulate high temperature and humidity / high temperature and low / low humidity / temperature / low temperature in different environmental conditions, 6, with easy operation and high accuracy of learning to provide the best test performance.