【Versatile Parameter Measurement】The roughness gauge, offers the capability to measure Multiple surfaces roughness parameters, including Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, Rz(JIS), Rs, Rsk, Rku, Rsm, and Rmr 【Measuring Sensor】Surfaces Roughness Tester is equipped with a highly sophisticated inductance sensor that offers exceptional precision. Maximum measuring range 160μm and can achieve a remarkable precision of 0.001μm 【Advanced Digital Signal Processing】The exclusive DSP technology processes and calculates measurement results efficiently, providing accurate and reliable data. The results are displayed on the LCD, making it easy for users to read and interpret the information 【Application】Powered by rechargeable lithium battery or external power adapter. Its digital convenience, durability and high accuracy make it a reliable tool 【Service】: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.