Introducing the RH-150AUTO
H-150AUTO Portable Hardness Tester
The RH-150AUTO is a
modular, portable hardness
tester (Rockwell). It performs
true Rockwell tests, all in
a portable package!
G&R Technology Inc. - page 18

History of the Rockwell Hardness Tester

The Rockwell hardness tester was invented by Stanley P. Rockwell when he was in need of a fast, non-destructive instrument to test hardness.  The only testers he had were Scleroscope, Vickers, and Brinell.  Each one of these tests had their own disadvantages.  The scleroscope was difficult to…

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Hardness Tester for Portable Use

All engineers and construction foremen know it. There comes a time in a project life cycle when you need something more user-friendly than the standard bench hardness tester. You need a hardness tester portable enough to go where you go, and one that can read…

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