... Description Introduction The Portable Small Rockwell Hardness Tester is designed on the basic principle of ... 5HRC, same as the bench type tester.Miniaturization of Rockwell hardness tester, the smallest model weighs only ... . The indentations made by this Rockwell hardness tester are small, which can be used to ... as a non-destructive test.APPLICATION: The tester can be used to test piece by piece ...