• high-performance device for professional use• for measuring roughness parameters• Rz, Ra, Rq, Ry, Rt, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr with USB 2.0 data output• robust polyamide housing resistant to impacts, ergonomic design• OLED display with clear readout and backlighting• extensive information display and graphical representation• diamond stylus tip, 90°, radius 5 µm, contact force 4mN (0.4gf)• standard compliant with ISO, DIN, ANSI, JIS• digital filter RC, PCRC, Gauss, D-T13565, data memory 2 MB + 2 GB• with built-in rechargeable Li-Ion battery, charger 100-240 V / 50/60 Hz• for up to 10 hours of continuous operation, built-in calendar and RTC• On/Off button, auto shutdown, battery status display• adjustable languages: English, German, Chinese• reliable software for electric motor drive• possibility to connect to a PC or printer, includes connection cable, software• measuring range (µm): Ra 0.005-16 / Rq 0.02 - 160• Rq/Rt/Rp/Rv/R3z/R3y/RzJIS/Rsk/Rku/Rsm/Rmr (µm): ±0.6 %• maximum deviation (%): < ±10• repeatability (%): < 6• cutoff wavelength (mm): 0.25 / 0.8 / 2.5• device dimensions (mm): 140 x 55 x 47• includes software, base plate, calibration test plate, standard measuring probe (Art.No.: 657210), with user manual