The new Sokkia Classic SET X total station is a rugged, high-performance total station incorporating the latest technology with traditional surveying functionality. An environmental protection rating of IP65 makes SET X the highest in class for Windows CE total stations, allowing it to withstand the harshest conditions on the most demanding jobsites. SET X is available in 1� , 2� , 3" and 5� models for use in a wide range of positioning applications. 1� and 2� models include absolute encoders enhanced with Sokkia’ s groundbreaking Independent Angle Calibration System ( IACS) to provide extremely reliable angle measurement with unprecedented stability.