This machine is manufactured and designed to meet the requirements of relevant standards, such as GB/T2951 etc.It is used to test the ability of material of withstand thermo-mechanical stress, this material can be used in Electrical Appliances, Electrical wire accessories, luminaires, motors, connectors, etc. Features: * The intelligent PID temperature control system allows precise operation. * The big window in the door makes your view more convenient. * Two shelves could be removed free, and the shelve circumgyrated at 10r/m. * Four levels of overheat protection are included for safety. * Stainless steel interior. * OPTION:Heat Impact Device. Technical parameter: Power source:AC 220V 50Hz Max 15A Temperature range:Ambient to 200C Temperature precision:+-1C Heat power:5KW Heat time:Less than 40m (from ambient to 200C) Test period:0.01s to 999.9hours Interior capacity:450mm W, 450mm D, 500mm H Exterior dimensions:840mm W, 540mm D, 1100mm H