适用范围 硬塑料、硬橡胶，铝、锡、铜、软钢、合成树脂及磨擦材料等。
XHR-150 Plastics Rockwell Hardness Tester adopts motorized testing method. Its testing force can be loaded, kept and unloaded automatically. Avoid man-made error and easy to use. It is therefore, welcomed by many users.
Usage Range: Hard plastics, hard rubbers, aluminum, tin, copper, soft steel, synthetic resins, fricative materials, etc.