... instrument used for testing and inspection of torsion spring.With simple operation, high precision, easy to carry ... Spring stiffness)5. Three units can be switched (N·m, kgf·cm, Ib·in)6. Realtime, peak, automatic peak ... Can save 99 groups test data.10. Without operation automatic shutdown function, time can be set free.Parameter: ... Nm1~100 (Nm)Pictures:Packing: Digital Torsional Spring Testing Machine