Profession Focus, Sincere Service NDW Series Metallic Materials Torsion Testing Machine Application  Mainly used in torsion test at room temperature for torsional force, torsion angle and angle stiffness for various materials.  Used angle,angle stiffness test for metals and nonmetals. Accuracy class Measuring range of torque Relative error of indicating value of torque Within ± 1% of indicating value Measuring range of torsion angle Relative error of indicating value of torsion angle Within ± 1% of indicating value Min. resolution of torsion angle Torsion speed Relative error of torsion speed Within ± 1% of setting value Max. distance between two chucks Coaxiality error of center line Central height of main shaft Power supply