It meets the test conditions of International Standard JIS C 60068-2-32 and IEC 60068-2-32, and the manufacturing process of roller strictly refers to the appendix standard of GB / t2423.8-1995. Using LCD touch control panel and PLC programmable controller for action program control, independent counting, reaching the set number of times to automatically stop the test. The touch screen can be written to set the test times, the number of sections, the test speed, display the tested times, and stop automatically when reaching the set times, with the safety door lock.