Zero height drop tester adopts one pair of tracks direction of the modes, hydraulic pressure system control, After having setting the drop height, it can go up automatically, suitable for drop test of large-scale, big load packaging specimen, It is convenient and swift to load and unload, and saves the workforce greatly, can be carried out automatically in the process of the test, it is steady and reliable, can reliable, can realize that the lower higher drop test of surface, arris, angle, meet a series of standards, such as ISO2248-1985(E), IEC68-2-27, MIL-STD202F, GB2423.5, GB/T4857.5-92, etc