The Mitutoyo 571-212-30 Absolute Digimatic Depth Gauge has a measuring range of 0-8″/0-200mm with 0.0005″/0.01mm resolution. It can keep track of the origin point once set for the entire life of the battery. The base and measuring faces are hardened and micro-lapped and include SPC data output. Optional wider extension bases are available on models with a measuring range of up to 450mm.
