This standard specifies the type, basic parameters and dimensions, technical requirements, signs and packaging, and inspection methods of calipers with tables. This standard applies to calipers with scales of 0.01mm, 0.02mm, 0.05mm and a measuring range up to 300mm.
GB/T 6317-1993 history
2008GB/T 21389-2008 Vernier,dial and digital display calipers