... force-time, force-displacement and the testing reports automatically. 2. Computer closed-loop control, change testing force stages automatically, save the test ... ,05,WDW-5,10,20,50WDW-100WDW-200,300 1,2,5 Structure TypeSingle columnDoor type Maximum test force (kN)0 ... .1 ,0.2,0.5,1,2,55,10,20,50100200,300 Test Force Range2%~100 ...