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Seco Standard Precision Optical Plummet Tribrach

Seco Standard Precision Optical Plummet Tribrach

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Seco now offers Geodesy-MOM tribrachs in two different models; our High-Precision tribrach and now the Standard-Precision tribrach.


  • European-made with an effortless locking mechanism for fast and solid tripod connection
  • A center line on each of the leveling screws allows the user to balance the lengths of the leveling screws
  • All tribrachs feature 5/8 x 11 threaded base plates and 8-minute circular vials
  • 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
  • The 2152-06-BLK has a shortest focus distance of 0.35 m and an accuracy of 0.5 mm / 1.5 m
  • Features 2X magnification and an erect image
  • Operating temperature is -20ºC to +50ºC (-4ºF to +122ºF)
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