NDW-XC Series Wire Torsion Testing Machine Application  Wire-Simple torsion test Wire-Reverse torsion test Used to measure plastic deformation capacity of metallic wires and composite wires, diameter 0.5-5mm, during simple and reverse torsion and display surface and interior defects. ISO9649 Technical Specification Items Test wire diameter Torsion speed Tensioning load Adjustable distance between chucks Coaxiality of two chucks Count resolution 2% tensioning force at of nominal tensile strength 0-500mm ＜Ф0.1mm/1000mm 360° /r Working power Dimension of loading machine(L*W*H)