Applies to best parameters determination of heat sealability of various kinds of film. Heat sealability of film depends on temperature, pressure and heat time and the hsl-6001 heat seal tester is widely used in food and pharmaceutical packaging industries. Features 1: our own patent technology 2: embedded system control 3: touch screen operation, easy to operate 4: tft lcd display, ui flattening design 5: dual heat jaws, temperature controlled independently 6: micro-printer prints mini-report 7: pressure easy to adjust, heat temperature and time touch screen input. 8: emergency stop button, safety design to prevent burns 9: over temperature protection, over pressure protection 10: silence working 11: db9 rs232 communication port. 12: dsm system is optional(laboratory management information system), easy to manage and share test data.