For well over half a century, Chicago Dial has been a leading innovator in designing and creating highly accurate and precise mechanical and digital measuring gages and indicators. In producing precision testing and measuring instruments of the highest quality, as illustrated and described at this website, CDI has kept pace with the industries' ever increasing demand for greater product reliability. Through advanced technology in quality control and manufacturing areas, CDI has maintained the most exacting requirements. Our experience and total capability - which extends from the design phase through manufacturing….from incoming raw materials through final inspection - is at your disposal. Chicago Dial is taking the art of measurement to a higher level with the Logic™ family of electronic digital indicators…the most advanced digital indicators in the world. These highly advanced digital indicators, featuring advanced CMOS technology for unparalleled reliability, now add the flexibility of user-selectable, user-programmable, and user-definable parameters. The result: gages where accuracy can be easily assured and maintained…and more important…gauges that can be custom tailored by you and your staff to meet measuring specifications unique to your application or industry. All CDI electronic digital indicators are American designed, American engineered, and American made to reflect the best in quality, materials and workmanship…truly the global standard in precision electronic digital indicators.