Portable roughness tester

These surface roughness possible to obtain measures of particular interest when equipment is simple to use search. The first model in 50 nm can measure up to Ra 0.05 microns (basic prices : 1220 Euros). The second modele en 5 nm can measure up to Ra 0.005 microns (basic prices : 1300 Euros). Finally, we sought to provide very affordable price products while maintaining high technical quality.