Offering usability-optimized design as well as immediate graphical display of data, TESA TWIN-T10 is suitable for straightness, run-out, form, or geometry evaluation during fine adjustments, alignments, or assembly of mechanical parts. Hemispherical form of analog scale with 200 segments fosters clear analog and numeric reading of form variations. Able to operate for 340+ hr with standard AA batteries, IP63-rated display also offers memory functions MIN, MAX, or MAX-MIN.