Surface Roughness Tester Leeb410 SHOP NOW BUYSurface Roughness TesterLEEB410 Descriptions Function & Feature Adapts high speed DSP processor to get fast measurementWith OLED dot matrix indicatorShell: ABS engineering plastic injection, durable, anti-electromagnetic interference.With ISO/DIN/CE/JIS/FCC standardsPower Supply: 3.7V rechargeable Li-ion battery Technical Specification