State system for ensuring the uniformity of measurements. State special standard and state verification schedule for instruments measuring surface roughness parameters Rmax, Rz in range from 0,001 to 3000 µm and Ra in range from 0,001 to 750 µm
State system for ensuring the uniformity of measurements. State verification schedule for means of measuring of the surface coating density in the range of 0,001-1,000 kg/m2
