What is the accuracy of the GLS-1000 / GLS-1500 laser scanner?
A ranging accuracy of 4mm is maintained throughout the 1-150 metre range. The maximum range of the instrument is 330m and the angular accuracy is 6 seconds vertical and horizontal (6″ is equivalent to +/- 0.3mm at 10m or +/- 3mm at 100m). Point size at 100m is 1mm. Target detection accuracy is 3″ at 50m which is ideal for easy traversing around a site. Note that whilst the quoted ranging accuracy is 4mm, greater accuracies can be achieved via the modelling tools in ScanMaster 2. For example, fitting a plane to points that lie on a flat surface will yield a mathematical best fit in the order of ±2mm. Using plane intersections or edge detection on pointclouds can give extremely accurate CAD entities for final deliverables.
