Roughness & Texture Measurement

Surface measurement—synonymous with surface metrology—determines surface topography, which is essential for confirming a surface’s suitability for its function. Surface measurement conceptually includes surface shape, surface finish, surface profile roughness (Ra), or in surface area roughness (Sa), surface texture, asperity and structural characterization.

For example, engine parts may be exposed to lubricants to prevent potential wear, and these surfaces require precise engineering— at a microscopic level— to ensure that the surface roughness holds enough of the lubricants between the parts under compression, while it is smooth enough not to make metal to metal contact. For manufacturing and design purposes, measurement is critical to ensure that the finished material meets the design specification.

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TECHNOLOGIES

Optical profilers like ProFilm3D are interference microscopes and are used to measure height variations – such as surface roughness – on surfaces with great precision using the wavelength of light.

APPLICATIONS

Surface measurement, synonymous with surface metrology is able to determine surface topography, which is essential for confirming a surface’s suitability for its function.

PRODUCTS

View our vast array of products, which can all be tailor made to your specifications, from the world’s leading suppliers – DME, Filmetrics, LMI, Filmetrics and more!