Active standard | Published: 08/02/2005

ISO 12858-3:2005

Optics and optical instruments — Ancillary devices for geodetic instruments — Part 3: Tribrachs
(Optique et instruments d´optique — Équipements annexes pour les instruments géodésiques — Partie 3: Embases)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 12858-3:2005

Publication date: 08/02/2005

Pages: 11

Country: International technical standard

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Anotation

Description / Abstract: ISO 12858-3:2005 specifies the most important requirements of tribrachs used in geodesy for the connection of the instruments body with its base. The requirements in ISO 12858-3:2005, however, do not guarantee the full interchangeability of the instruments body with tribrachs of different manufacturers, but give the detailed specifications of the clamp system to ensure the reliable mounting and clamping without prejudicing their performance and their usefulness. There are mainly two types of tribrachs in use, categorized in ISO 12858-3:2005 as Types W and Z. ISO 12858-3:2005 is applicable to tribrachs which are used for levels, theodolites, tacheometers, GPS equipment, EDM instruments and in combination with targets, reflectors, antennae etc.

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