Building construction -- Measuring instruments -- Procedures for determining accuracy in use -- Part 3: Optical levelling instruments
This standard has been revised by ISO 17123-2:2001
Specifies test procedures to be adopted when determining and assessing the accuracy in use of optical levelling instruments for measuring purposes. The procedures given apply when the optical levelling instruments are used in building construction for surveying, check and compliance measurements and for obtaining accuracy data.
A standard is reviewed every 5 years
Revisions / Corrigenda