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Copyright 2004 Northrop Grumman Corporation

11

System Calibration

Laser trackers, theodolites, total stations, and portable CMM arms are calibrated by the manufacturer according to their recommendations.

Digital photogrammetry is a self-calibrating measurement system.  Cameras are periodically returned to the manufacturer for maintenance, cleaning and calibration.

Calibration frequencies are determined by the department, but typically follow the manufacturers recommendations.

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