CEN - EN ISO 16859-3
Metallic materials - Leeb hardness test - Part 2: Verification and calibration of the testing devices
|Publication Date:||1 October 2015|
|ICS Code (Heat-treatable steels):||77.140.10|
This part of ISO 16859 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.