Model 2205A surface roughness tester is a multi-application measuring instrument for component surface quality evaluation. Model 2205A surface roughness tester ... inductance pick-up. Measuring range4/40/400μm; Indication error≤±5%; Smallest resolution:0.001μm; Cut-off length :0.25,0 ... ,40,50,100,200,500,1000,2000,5000,10000; Traversing length: 40mm Traversing speed:0.5mm/s,1mm/s Pick-up ...