Digital Surface Roughness Meter with 4 Parameters Ra Rq Rz Rt USB Data Output

Digital Surface Roughness Meter with 4 Parameters Ra Rq Rz Rt USB Data Output Features: Ra, Rz, Rq, Rt 4 testing parameters, suitable for more applications It could test ex-circle, flat surface, conical surface and also test groove larger than 80*30mm Large measuring range suitable for most materials, both metal and non-metallic surface Using high-speed DSP processor for data processing and calculation, quick measurement and computation speed Shell used to pull aluminum mold design, durable, anti-electromagnetic interference ability significantly Liquid crystal display wide temperature using OLED display, high brightness, suitable for various occasions The lithium ion rechargeable battery, can work for a long time, no memory effect, long battery life Support OEM Service, Using a dedicated charger or computer USB port for charging, can work during charging, quick and convenient Real-time monitoring of lithium battery power and display, remind users to charge Automatic shutdown function and low power design with long working hours, suitable for field use Specifications: 4 Testing Parameters: Ra, Rz, Rq, Rt; Measuring Range: Ra, Rq: 0.05~15.0μm; Rz,Rt: 0.1~50.0μm Sample Length: 0.25, 0.80, 2.50mm Evaluation Length: 1.25, 4.0, 5.0mm Stroke Length: 6mm Indication Accuracy: 0.01μm Indication Error: ≤(±15)% Variability: <12% Stylus Static Force:≤ 0.016N Force Measuring Rate of Change: ≤ 800N/m Power: Rechargeable Li-battery Relative Humidity: <90%; Working Temperature: -20°C~40°C Size: 106mmx70mmx24mm Weight of Host: 0.2kg Standard Accessories: Host, Standard Calibration Block, Bracket for Calibration Block, Power Charger, Charging Cable, User Manual, Instrument Case