Rockwell and Superficial Rockwell Hardness Tester GL-420HRSS-150

GL-420HRSS-150 Rockwell and Superficial Rockwell Hardness Tester is a tests both Rockwell hardness and Superficial Rockwell hardness in one machine,Digital unerversal Rockwell hardness tester, 8 in LCD touch screen, digital display hardness value;full-scale Rockwell hardness tester have 30 scales,15 Rockwell hardness scales, 15 surface Rockwell hardness scales, various hardness values conversion；Automation of the test process, Equipped with micro-printer, can directly print the hardness test results；