I. Product introduction: DSHD-4508F Asphalt Ductility Tester is designed and developed based on the regulations of standards of GB/T4508、ASTMD113、T0605 bitumen ductility test, to determinate bitumen length in regulated temperature and speed stressed and be broken, and to determinate stress force for one of samples at the same time. 　　　 II.Technicalspecificationsandparameters:　　　 1.Measuring range:model F, 2m 2.Controlling temperature range:5 ~50℃ adjustable 3.Controlling temperature precision:±0.5℃ 4.Measuring precision:±1mm 5.Stress speed:10~ 50mm/min, using frequency converter 6.Measuring force range:0~100KG 7.Measuring force precision:±0.5KG 8.Compressor refrigeration, PC determinates and controls temperature and ductility, and then process data, digital display. 9.Data output: RS-232 standard port and communicate with PC. Output by micro printer. More asphalt ductility tester: DSHD-4508D Asphalt Ductility Tester DSHD-4508F Asphalt Ductility Tester DSHD-4508G Low Temperature Asphalt Ductility Tester DSHD-4508J Asphalt Ductility Tester DSHD-4508C Asphalt Ductility Tester