The DDI/TE is a comprehensive laboratory tool used to measure the impact toughness of plastic films and sheeting. Designed to meet ASTM D4272, the Total Energy System determines the total energy impact of plastic films by measuring the kinetic energy lost by a free-falling dart that passes through the specimen. The TE system evaluates the impact toughness of materials in applications such as the manufacturing of plastic films, packaging and construction materials. ASTM D1709 may continue to be performed when used with the appropriate weighted darts. The Total Energy System option features a simple, easy-to-use keyboard and multi-line LCD display. The operator is prompted through setup, allowing input of test parameters such as drop height, dart mass and test operation. This step-by-step system also allows annotation of sample and test information such as material type, thickness, dart size, type of failure and free-fall time. The kinetic energy required to penetrate the film is calculated and displayed in SI (J) or English (ft/lb) units. For replicate samples, test results are averaged and the standard deviation is calculated. An optional serial printer can be connected to the DDI/TE for complete hard copy reports.

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