ISO 12858-1:2014
Optics and optical instruments -- Ancillary devices for geodetic instruments -- Part 1: Invar levelling staffs
détails du produit
It is applicable to classical staffs with graduation lines and numbering and staffs used in digital levelling with code patterns.
ISO 12858-1:2014 is not applicable to the detailed design and construction of Invar levelling staffs (e.g. materials, handles, fixing points for the struts, fixing of the Invar strip and of the circular level), which may be selected by the manufacturer as appropriate.