R（M）-45D1型液晶屏数显表面洛氏硬度计以新颖的外观，直观的液晶屏显示装置和单片机控制系统，使表面洛氏硬度测试实现了自动化的操作。除试台手动升降外，完全实现了试验力的施加、卸除、硬度值直接显示等自动化运作，本机测试精度高，消除了人为操作误差，是一台机电一体化高科技先进的硬度测试仪器。
    该硬度计适用硬质合金、渗碳钢、淬火钢、硬铸铁及软钢、铝合金、铜合金和可锻铸铁的硬度的测定。

    Digital LCD display Superficial Rockwell Hardness Tester is a popular type rockwell hardness testing machine,the construction is firmand reliable and safe,intuitive screen display devices and SCM control system so that the surface of Rockwell hardness testing to achieve the automation of operations. In addition to Anvil manual movements, the full realization of the imposition of a test,removable,hardness, and other automated operation showed that direct, high accuracy of this test, to eliminate the human error of operation, is a high-tech electromechanical integration of advanced hardness Testing equipment. 
    That degree of hardness accounts to be applicable to the black metals and have the rock well surname degree of hardness measurement of the color metals.It is extensive to be applocable to factory car with calculate the section.