Calibration and lapping of marbles and other reference surfaces

•	Calibration with factory certificate (<400mm)
•	Lapping of small granit tables in Carouge (<400mm)
•	Lapping of small granit tables on site (>400mm)
•	Lapping down to DIN876/00 (~ <2.5µm)


© TESA SA	© Brütsch/Rüegger

used granit table with holes

Lapping of granit tables

granit table after grinding and lapping

15.01.2023

Accredited for calibration of height gauges with step gauge