Pre filled syringe handle fracture force tester - Overview Pre filled syringe needle assembly body tightness tester is a specially designed instrument for pre filled syringe needles, used to test a series of performance such as needle to needle seat connection force, needle cap pull-out force, handle fracture force, etc. of pre filled syringes. The pre filled syringe handle fracture force tester has the following outstanding features: simple operation: using an automated loading and data acquisition system, greatly simplifying the testing process. Users only need to follow the operating steps to complete various tests.