Alignment and positioning of accelerator and detectors components using standard instruments like :
and specific instrumentation developped at CERN such as :
Industrial metrology, dimensional checks of large objects and fiducialisation of components using
SU Section uses different sensor types and installations:
GPS is used mainly for geodesy matters. For example to place the Cern Coordinate System (CCS) in a global reference frame and also in the Swiss- or France Coordinates Systems, measurements with GPS are done on fix points all around the CERN areas.