Seco Standard Precision Optical Plummet Tribrach | 2152-07

The Seco Standard Precision Optical Plummet Tribrach is European-made with an effortless locking mechanism for fast and solid tripod connection. A center line on each of the leveling screws of this optical plummet tribrach allows the user to balance the lengths of the leveling screws. All of Seco's tribrachs feature 5/8 x 11 threaded base plates and 8-minute circular vials. Seco's high-precision tribrachs feature an error in angle measurement (hysteresis) is under 3 cc (60 Ncm torsion moment and 12 kg vertical load), standard tribrach is 5 cc. Features 2X magnification and an erect image. Operating temperature is -20ºC to +50ºC (-4ºF to +122ºF).