Features: Falling Dart Impact Tester is applied to conduct impact test on plastic film and sheeting and used to estimate the material property of impact resistance. Each technical indicator of this product meets the requirements for the test equipment in the free falling dart method of ISO7765-85 Determination for Impact Resistance of Plastic Film and Sheeting and GB9639-88 Impact Resistance Test of Plastic Film and Sheeting, and the product is in accordance with the professional standard of ZBN72026-80 Technical Conditions of Falling dart impact tester. The instrument molding is novel with more convenient operation. The testing data can be calculated and treated automatically. The testing process is automated. It can indicate operating process automatically and print and display in LCD the data. In the testing method, modes A and B can be chosen. Tech details: 1.Power : 220±10% 2.Dart head quality: 50-2000g 50g/ increment 3.Dart head semidiameter: R19±1mm in the A method and 25±mm in the B method 4.Sample clamp device: external diameter 150mm, and inside diameter 125mm 5.Impact height: 1500mm 6.Impact energy: 30J 7.External dimension : 550(L)mm×365(W)mm×2000(H)mm 8.Weight: 60kg