AT422D Series Digital Izod Impact Tester is used to determine the impact toughness of non-metallic materials such as rigid plastics, reinforced nylon, glass-reinforced plastics, ceramics, cast stone, electrical insulating materials, etc. This instrument complies with the following international and industry standards. ISO: ISO 180. ASTM: ASTM D256. GB/T: GB/T 1843, JB/T 8761. Digital type, PLC touch screen control and display. Automatically calculate the test result, with mini-printer to print out test result. Can be connected to PC to edit and print test data, also it can be connected to Notch Depth Measuring Device to transmit the accurate sample size to the machine. Automatically correct the energy loss caused by friction and wind resistance, no need to manually calculate and correct. Simple structure, easy to operate. Fast to test, accurate and reliable. Protective cover optional. Technical Specification Model: AT422DA, AT422DB Impact velocity: 3.5m/s Impact energy: 2.75J, 5.5J, 11J, 22J Impact center distance: 335mm Pendulum angle: 150° Distance between striking edge and top surface of jaw: 22.0mm±0.2mm Corner radius of striking edge: R=0.8mm±0.2mm Power supply: AC220V, 50Hz Dimensions: 700×350×850mm Weight: 120kg