The FARO Laser Tracker ION is the most accurate laser tracker available based on the most common types of measurement applications. It also features a longer measurement range, lighter weight, and contains a fast, sophisticated distance measuring system: Agile Absolute Distance Meter (aADM). Specifically, the ION has improved the volumetric accuracy by 27% over the previous model to .002 in. (.049mm) at 33 ft. (10 meters). The measurement diameter range has been extended 36% to 361 ft. (110 m), and the weight has decreased 12% to 39 lbs (17.7kg).