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We’ve included interferometers, optical flats, surface finish, surface geometry measuring devices in this section.
Surface Finish Gaging - small variations in surface finishes
Measurement Parameters for Surface Finish - Ra, Rz, Rmax, Cutoff, Bearing Area Curve
Form Geometry Gaging - larger variations in the form of surfaces , including: circularity,
cylindricity, line profile, surface profile, parallelism, perpendicularity, angularity, true position, concentricity, coaxialtiy, symmetry, radial run-out, total run-out, angular sector,
conicity, straightness flatness, surface finish and waviness
Interferometers and Optical Flats - High precision measurements in light wavelength increments
Autocollimators are covered in our angular measurement section
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