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  Roughness Contour
  Roundness and Form
  Alignment

 
  Optical Profiler
  Laser Interferometer

 
  Linear Transducer
  Digital Gaugin
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Article and Publication
 
 
  Cut-offs and the Measurement of Surface Roughness 3D (or `Areal`) Surface Measurement Parameters
  Basic Structure of Stylus Profilometer  
     
  Practical Consideration for Measuring Roundness Introduction to Roundness Measurement
     
  Uncertainty (Work Instruction) Uncertainty (abstract)
     
  ISO Standard for Surface Texture Gauge R&R