544-534 Mitutoyo Laser Scan Micrometer 501SMitutoyo LSM 501S Laser Scan Micrometer Head Fine Wire Measuring Unit The LSM 501S includes the following features Provides ultra high accuracy with a linearity of 0. 5um over the entire measurement range (0. 05mm to 10mm) and (0. 3+0. 1D)um in the narrow range. Ultra high repeatability of 0. 04um. Specifications include . 002" . 4" . 05 10mm Measuring Range 3,200 scans per second High scanning rate (3200 scans sec) and high accuracy, non contact