We offer portable surface roughness tester from zeiss, Tsk, Packed with powerful functions for convenient operations. All functions of convenient operationscomplies with major international criteria including iso, Din, Cnomo, Jis, Asmedata memory/battery operation ten complete data records is suitable for storage. Rechargeable battery operation provides versatile use of the line independent of the line supply. Measuring in different positions the small and light handy surf measures not only flat, Horizontal but also vertical and overhead surfaces. Direct data movement towards the usb, The pc interface serves the goal of transfer measured data, Parameters and profile curves directly to the pc. Additional information parameters pt, Ra, Rq, Rz, Rzmax, Rp, Rt, R3z, Rsm, Pc, Rk, Rpk, Rvk, Mr1, Mr2, Vo, K, Rmr, R, Rx, Ar, W, Wx, Aw, Wte