Asmeto ag of switzerland manufactures an electronic portable surface roughness tester, model diavite dh-5, suitable for measuring surface roughness that can be operated from electrical main or from chargeable batteries by hand or with measuring support. Inspection parameters are ra, rz, rmax, r3z, rt, rq, tp with 15 types of tracers roughness on surface like flat, concave or convex andeven in a slot of 1 mm width and 15 mm depth can be checked very easily. Customised tracers are also available.
