Standard Precision Optical Plummet Tribrach

Description
 
Easy locking mechanism for fast and solid tripod connection
A centre line on each of the levelling screws allows the user to balance the lengths of the levelling screws
5/8 x 11 threaded base plates and 8-minute circular vials
standard tribrachs feature an error in angle measurement (hysteresis) of 5 cc (60 Ncm torsion moment and 12 kg vertical load),
Features 2X magnification and an erect image
Operating temperature is -20ºC to +50ºC
European-made.