M00001421
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ISO 16859-2 1st Edition, September 15, 2015 Metallic materials - Leeb hardness test - Part 2: Verification and calibration of the testing devices
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO 16859 specifies methods for direct and indirect
verification of test instruments used for determining Leeb hardness
in accordance with ISO 16859-1, and also describes when these two
types of verification are to be performed.
The direct verification involves checking that individual
instrument performance parameters fall within specified limits,
whereas the indirect verification utilizes hardness measurements of
reference test blocks, calibrated in accordance with ISO 16859-3,
to check the overall performance of the instrument for testing in
the direction of gravity. The indirect method can be used on its
own for the periodic performance checking in service.