The device is used to determine the professional plastic film, sheet and plate coating in the high degree of freedom given falling dart impact, while 50% of the energy of the sample broken (damaged by the impact of the quality of representation) of a test device. Can be applied to industrial and mining enterprises, scientific research, quality inspection departments and schools, and other industries. Strict implementation of the device GB / T 9639-88 in the regulations.

Note: The computer control and digital display control in two ways