A 420 mm KOBA step gauge with gauge blocks made from tungsten carbide will be calibrated; i.e., the distances of all 22 centres of the position defining surfaces will be measured with respect to the first one (“surface zero”). The deviations to the nominal positions will be established. Uncertainties should be those reflected at the corresponding CMCs of participants (but also higher by influence of the step itself, or even smaller in case the participant wish to take this opportunity to verify new CMC equation).

Further Information

This comparison follows the previous ones, EUROMET 372 (EUROMET.L-K5.PREV) and CCL.K5, regional and global one respectively.Participants from outside EUROMET are also welcome to join us.