High-Precision European Optical Plummet Tribrach

High-precision European-made tribrach designed to work with all total stations including the S6 The error in angle measurement (hysteresis) is under 3 cc (60 Ncm torsion moment and 12 kg vertical load) A center line on each of the leveling screws allows the user to balance the lengths of the leveling screws Features a 5/8 x 11 threaded base plate and 8-minute circular vial Includes the shortest-focus distance of 0.35 m to 15 m and an accuracy of 0.5 mm / 1.5 m Features 2X magnification and an erect image Operating temperature for the tribrachs is -20º C to +50º C (-4º F to +122º F) Weighs 1.50 lb (0.70 kg)