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Roughness Measurement Tips: The Scratch Pad

You can check a profilometer’s overall performance following a quality-control-defined procedure and frequency using this traceable calibration specimen.

By Mark Michaud
January 15, 2020

From the perspective of the shop floor environment, the previous Materials Matter column “Roughness Measurement Tips: 2 V 5” discussed the contact stylus 2-micron radius tip versus a 5-micron radius tip. It was recommended in either case to use a skidded stylus for its increased durability. The skidded stylus removes the surface waviness and measures only…


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