GOST 8.296-2015 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the surface roughness parameters Rmax, Rz in the range from 0,001 to 3000 mm and Ra in range from 0,001 to 750 mm
2015GOST 8.296-2015 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the surface roughness parameters Rmax, Rz in the range from 0,001 to 3000 mm and Ra in range from 0,001 to 750 mm
1978GOST 8.296-1978 State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for instruments measuring surface roughness parameters Rmax and Rz in range 0,025 - 1600 mkm