This apparatus used for test impact resistance feature on dynamic load of metal material. Max.impact energy: 300/500 J Moment of pendulum: 160, 7695, 80, 3848 N.m Impact speed: 5.2 m/s Angle of elevation of pendulum: 150mm Distance from impact center to axis: 750mm Anvil block span: 40mm Radius of corner of anvil block: 1.1.5mm Curvature radius of impact blade: 2-2.5mm Bezel of impact blade: 30 Width of impact blade: 16mm Resolution power of indicator: 2/1