Acu-Rite’s models DRO100/203/300 all support innovative software features, including an installation guide that appears at first-time power up. The DRO100 unit has been designed as a functional yet simple digital readout. The DRO203 offers all the basic functions of the entry-level DRO100 as well as common features for both milling and turning applications. The DRO300 high-end model provides greater functionality. It is available in three- and four-axis variants and is programmable. It offers a connector for external switching functions and can be expanded to serve as a six-axis digital readout.