High Precision, High Stability Tribrach Without Optical Plummet

Modern design to improve stability, Pre Loaded leveling screw tension that does not need adjustment. leveling screws bushings are bonded into upper body and can not come loose. Fixed adjustment on plate that holds leveling screws base plate. Aviation quality materials and thread fixers used on all threads and screws. tested in collimator stand to confirm torsional rigidity. Torsional rigidity: rated <3 arc second.

Made By GeoDesy

Made in EU

Rated The Best After Market Tribrach Available.

Technical data

• Tripod mount: 5/8″
• Spirit level: 6′
• Adjusting range of leveling screws: 10 mm
• Accuracy (hysteresis): < 3cc
• Even higher torsional
• More precise centering of the instrument through spring-loaded clasp (for optimum repeatability)
  
• High vertical load (12 kg)
  
• Central tightening nut for the spring plate
  
• Dirt-and water-proof bolts, double ball bearings