BS EN ISO 16859-3:2015规定了用于校准试验的参考试块的校准方法 根据ISO 16859-2对里氏硬度计进行间接验证，并用于定期检查 根据ISO 16859-1。还规定了确保校准机计量可追溯性所需的程序。交叉引用:ISO 16859-1ISO 16859-2ISO/IEC 17025ISO 4287ISO/IEC指南98-3购买本文件时提供的所有现行修订版均包含在购买本文件中。

BS EN ISO 16859-3:2015 specifies a method for the calibration of reference test blocks that are used for the indirect verification of Leeb hardness testers according to ISO 16859-2 and for the periodic checking according to ISO 16859-1.The procedures necessary to ensure metrological traceability of the calibration machine are also specified.Cross References:ISO 16859-1ISO 16859-2ISO/IEC 17025ISO 4287ISO/IEC Guide 98-3All current amendments available at time of purchase are included with the purchase of this document.