Handheld Surface Roughness Tester 3110

3110 is a handheld surface roughness tester for Ra, Rz measurement. It is economically priced and well suited for various mechanical manufacturing processes. Features ● Pocket-size unit with economical price, widely used in production lines, workshops and labs. ● Wide measuring range suitable for most materials, and applicable for flat, outer cylinder and sloping surface ● Ragged design device with a long lifetime, while keeping the accurate and reliable data results ● Both Ra and Rz measurement range ● All calculated measurement results shown on its LCD back-lit display hardly after tested ● Indicator and alarm for low battery, out-of-limit values and dysfunction ● Chargeable Li battery and improvement of the circuits function. ● Improvement and Protection for sensor to secure the high accuracy and good stability. ● Conforms to ISO and DIN   Specifications Model   3110 Roughness parameter  Ra, Rz Tracing length  6mm Tracing speed  1.0mm/sec Cut-off lengths 0.25mm/0.8mm/2.5mm Evaluation length  1.25mm/4.0mm/5.0mm Measuring range  Ra: 0.05-10.0μm Rz: 0.1-50μm Accuracy ±15% Repeatability <12% Filter  RC analogue Pick-up  Piezoelectric Radius and angle of the stylus point Diamond, Radius : 10±2.5μm Angle: 90°(+5°or -10°) Operating temperature 0~40℃ Humidity <80% Storing temperature  -25℃ ~ 60℃ Power  3.6V Li-ion battery Charger  DC6V, 3 hours (charging time) Dimension (mm)  110×70×24 Weight (g) 160