The hardness test blocks - reference plates (Rockwell, Vickers, Brinell, Knoop standards scales) allow you to carry out an independent check and verification of the hardness indicator for the appropriate measuring scale, which directly reduces the measurement uncertainty.
We provide hardness standards for the Rockwell, Vickers, Knoop and Brinell scale together with a calibration certificate from an accredited laboratory according to 17025.
The basic features of hardness test blocks:
- lapped and polished refference surfaces,
- calibration certificate according to EN ISO and ASTM standards,
- they are made of precisely selected materials,
- controlled process of preparing the material of the pattern,
- homogeneity of the standard material,
The above features of the reference plates guarantee extremely high precision of the hardness calibration for a precisely defined hardness scale.
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