Development of profilometers with line widths up to 700 mm

a. The cost of production is not more than 100 thousand rubles and the absolute error in the z coordinate (height) is 0.2 mm. For the inspection of flat material moving at a speed of up to 12 m/s. b. The cost is up to 300 thousand rubles with an absolute measurement error of 1 μm, for the object of control moving at a speed of 2 m/s.