... , steel bar, rebar, cement, concrete, rod and so on.Specially design for production, research, student training and industrial laboratory ... servo operate loading model, adopt Japan SHIMADZU technology, worm wheel and worm shaft to drive crosshead up and down; ... Rate≥ 0.05%FS, accuracy ± 0.5%Deformation measuringClip-on extensometer, standard gauge 50mm, extension 5/10/25mmMax. tensile ...