Function & Features: - Five optional sensors for measuring special shaped work-pieces - DSP chip controlled achieves high accuracy and fast testing speed. - Matrix LCD screen displays all parameters and data - High quality with ISO/DIN/CE/JIS/FCC standards - power supply: 3.7 rechargeable Li-ion battery - Standard Sensor: diamond stylus with radius 5µm, force 4mN(0.4gf), and angle 90° - Available PC software for data management and excel reports - Optional printer connecting by USB Roughness Parameters: Ra、Ry、Rq、Rz、Rt、RSm、RS、Rp、Rv、R3z、RSk, Rmax, Rmr. Measuring Range: Ra: 0.005-16μm | Rz:0.02-160μm Resolution: 0.001μm Warranty: 1 Year warranty subjected to terms and conditions For more details please visit at https://matrixintegrity.com/surface-roughness-tester-leeb432/ or email us at salesmatrixintegrity@gmail.com Price does not include additional taxes, fees and surcharges. Please note pre-order usually takes about 1-4 weeks.