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ISO 17123-2:2001

Current
Current

The latest, up-to-date edition.

Optics and optical instruments Field procedures for testing geodetic and surveying instruments Part 2: Levels
Available format(s)

PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

12-06-2001

This part of ISO 17123 specifies field procedures to be adopted when determining and evaluating the precision of

levels (spirit levels, compensator levels, digital levels) and their ancillary equipment when used in building and

surveying measurements. Primarily, these tests are intended to be field verifications of the suitability of a particular

instrument for the immediate task at hand and to satisfy the requirements of other standards. They are not proposed

as tests for acceptance or performance evaluations that are more comprehensive in nature.

This International Standard can be thought of as one of the first steps in the process of evaluating the uncertainty of

a measurement (more specifically a measurand). The uncertainty of a result of a measurement is dependent on a

number of factors. These include among others: repeatability, reproducibility (between day repeatability) and a

thorough assessment of all possible error sources, as prescribed by the ISO Guide to the expression of uncertainty

in measurement (GUM).

These field procedures have been developed specifically for in situ applications without the need for special ancillary

equipment and are purposely designed to minimize atmospheric influences.

DevelopmentNote
Supersedes ISO 8322-3 and ISO 12857-1. (01/2002)
DocumentType
Standard
Pages
14
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
GOST R ISO 17123-2 : 2011 Identical
PN ISO 17123-2 : 2005 Identical

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