ISO 12858-1:1999
Optics and optical instruments - Ancillary devices for geodetic instruments - Part 1: Invar levelling staffs
- Standard No.
- ISO 12858-1:1999
- Release Date
- 1999
- Published By
- International Organization for Standardization (ISO)
- Status
- Replace By
- ISO 12858-1:2014
- Latest
- ISO 12858-1:2014
- Scope
- This part of ISO 12858 specifies the most important requirements of Invar levelling staffs used in geodesy and industry for precise measurement of heights in combination with either an optical-mechanical level equipped with a parallel plate micrometer, or a digital level of comparable precision. This part of ISO 12858 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.
ISO 12858-1:1999 history
- 2014 ISO 12858-1:2014 Optics and optical instruments - Ancillary devices for geodetic instruments - Part 1: Invar levelling staffs
- 1999 ISO 12858-1:1999 Optics and optical instruments - Ancillary devices for geodetic instruments - Part 1: Invar levelling staffs
