Product Information Zwick High Energy Drop Weight Testers DWT20 / DWT30 / DWT40 A D C B C Figure: Zwick high energy drop weight testers DWT40 with 5 m drop height Figure: Drawing of Zwick high energy drop weight testers DWT40 with 5 m drop height Application range • Exclusive pneumatic safety ratchet for catastrophic failures • Testing of “Batelle-Specimen“ according to ASTM-E 436-71T, API-RP 5 L3 and DIN EN 10274: “Drop Weight Tear Test“ • Touch Screen Panel with electronic display of drop height, energy, drop weight and drop speed • The stepless adjustable drop height is reached Advantages and features • Modular design with six frame sizes and two drop heights • Pneumatic specimen feeding and tools equipped outside of testing area • Removable bending tools automatically after input of drop weight and energy • Drop weight divided in individual weights, to adjust drop energy • Four high capacity shock absorbers with accumulators for safety absorbtion of the drop weigth • Controlled low temperature cooling device for accurate specimen temperature PI 542 2.0707 • Electrical and mechanical safety devices with safety circuit - testing is possible only after check of all safety switches PI542_DWT20-40.pmd

Zw/ck # Roell Materials Testing Product Information Zwick High Energy Drop Weight Testers DWT20 / DWT30 / DWT40 Technical data Speed of weight lift fast [m/min] slow [m/min] Low temperature cooling device All data at ambient temperature.