Model 2205A surface roughness tester is a multi-application measuring instrument for component surface quality evaluation. Model 2205A  surface roughness tester is a multi-applicationmeasuring instrument for component surface quality evaluation. It is capable ofchecking the workpiece surface roughness on plane ,cylinder,groove and bearingraceway.

Specifications: Measuring principle: stylus contact method, differential inductance pick-up. Measuring range4/40/400μm; Indication error≤±5%; Smallest resolution:0.001μm; Cut-off length :0.25,0.8;2.5mm; Assessment length: N×cut-off, N=1,2,3,4,5; Filter type:ISO,phase corrected, un-filtered,un-filtered,Gaussian; Surface parameter:Ra,Rc,Rp,Rv,Rz,Rq,Rsm,Rt,Rsk,Rku,Rdq,Rmraccording to GB/T 3505-2000; Profile graph analysis:macro and unfiltered profiles,Rmr curve,amplitude distribution curve; Vertical magnification: 10,100,200,500,1000,2000,5000,10000,20000,50000,100000,200000; Horizontal magnification: 2,5,10,20,30,40,50,100,200,500,1000,2000,5000,10000; Traversing length: 40mm Traversing speed:0.5mm/s,1mm/s Pick-up return mode:auto Pick-up stylus:diamond-90° angle with spherical tip 2μm radius; Vertical column adjustment for traverse unit:manual adjustment Vertical adjusting height:310mm; Measuring stand:granite base 400mm× 600mm