How to use the surface roughness tester
A surface roughness tester with a stylus in which the stylus is moved mechanically over a surface to record a "picture" of surface roughness within a predefined sample length.Measurement technology provides a large number of measurement parameters, including:
Rmax: Maximum difference between peaks and valleys in a single sample length over the entire evaluation length
Ra: Average roughness within the sampling length
RT: Evaluate the distance between peak and trough in length
Rz: The average distance between the highest peak and the lowest trough in various sampling lengths
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