It is a standard test specimen conforming ISO / JIS for hardness meter indirect verification which is loved in the world.
Yamamoto Scientific Tool Research Co., Ltd. is the only hardness standard piece specialized manufacturer by ISO · JIS.
High precision hardness reference piece is a standard test piece conforming to ISO / JIS for hardness meter indirect verification which Japan is cultivated, hardness homogeneity acknowledged by the world and standard value according to international standards are favorite all over the world.
Management of testing machines compliant with ISO · JIS is essential for various certifications such as ISO 9000 series.
We regularly develop standard pieces for nano indentation by regular use of daily management such as confirmation of accuracy, stability and reproducibility of the testing machine, etc. We are now developing our standard pieces for nano indentation.