Mitutoyo 518-235 High-Performance QM Height Gauge 0-350mm/0-14" with built in air suspension  Product Type: MIT518-235 

A Mitutoyo digital height gauge featuring built-in measuring functions and very high measuring accuracy. Easy-to-read display with a simple, ergonomically designed measurement control panel with user friendly, single-key operation. Manual height adjustment by coarse/fine elevation wheel. Built-in air suspension operating from internal batteries enables smooth and light movement on a surface plate. ABSOLUTE linear encoder eliminates need to reset zero at switch-on. Digimatic and USB data output.