Phone: +88 017 06611166 Email: info@surveyinstrumentbd.com
Phone: +88 017 06611166 Email: info@surveyinstrumentbd.com
Original tribrachs
Accuracy through torsional rigidity
SKU: Tribrach
Category: Surveying Accessories, Leica Accessories
Transparent choice
The ideal tribrach for your application
All original tribrachs comply with the strict specifications and quality standards of Leica Geosystems. Your choice should ideally be made according to your individual accuracy requirements.
The torsional rigidity of the original The accuracy with which a tribrach returns to its starting position once the instrument has stopped, is called torsional rigidity or hysteresis. This hysteresis is the relative movement between the top plate and the base plate of a tribrach that occurs through the rotation of a TPS instrument. The hysteresis has direct influence on the angular accuracy of the instrument – and that speaks for the original. To optimise the hysteresis as Leica Geosystems has done is complex and calls for the highest precision: a movement of the top plate to the base plate of 0.3 μm corresponds to an angle error of 1". Especially motorised instruments with their high acceleration and brake power require tribrachs with very high torsional rigidity.