Calibration of test blocks

Primary calibration of hardness test blocks is carried out at the completion of the manufacturing process. For all test blocks a "Calibration certificate" of the established form is issued, which is included into the test block delivery set.

Calibration of reference hardness test blocks is performed by VNIIFTRI - the National Metrological Institute of Russia.

Reference hardness test blocks of MET series are registered in State Registers of Measuring Equipment of Russia, Byelorussia, Ukraine and Kazakhstan.

Centre "лер" has a license for the production of reference hardness test blocks.

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