Surface Roughness Tester Leeb452 SHOP NOW BUYSurface Roughness TesterLEEB452 Descriptions Function & Feature Metal shell, stronger and anti-electromagnetic interferenceAdapt high speed DSP processor to get fast measurementWith OLED dot matrix indicatorApplication for measuring flat surface, conical surface and also groove larger than 80*30mmWith ISO/DIN/CE/JIS/FCC standardsPower supply: 3.7V rechargeable Li-ion battery Technical Specification