Known as the Rockwell superficial test, it utilises lower loads including a preload of just 3kg and full load usually of 15 or 45kg depending on the hardness of the material. Readings for the ...

Hardness tester Zwick 3106. Figure 5. Rockwell hardness tester Zwick/ZHR. Rockwell Hardness Testers Zwick/ZHR. The different devices of this product family are designed for. the classical Rockwell ...

AURORA, Ill.--(BUSINESS WIRE)--Mitutoyo America Corporation is pleased to announce the release of the latest Rockwell Hardness Testers in its HR-530 Series, including the HR-530 (maximum specimen ...

Aurora, IL. Mitutoyo America Corp. has announced the release of the latest Rockwell hardness testers, including the HR-530 (maximum specimen size height: 250 mm; depth: 150 mm) and the HR-530L ...