... measuring system,primary profile measuring ... Model 2206B surface roughness Measuring Instrument consists of surfaceroughness measuring system,primary ... measuringsystem.It can be used to assess the parameters for surface roughness andprimary profile of parts with shapes such as ... phase corrected,un-filtered,Gaussian; Surface roughness parametersRa,Rc,Rp,Rv,Rz,Rq,Rsm,Rt,Rsk,Rku,Rdqaccording to GB/T ...