Portable Surface Roughness Tester

· Display: 4 digits, 10 mm LCD, with blue backlight

· Parameters: Ra, Rz

· Ra Range: 0.05-10.00um/1.000-400.0uinch

· Rz Range 0.020-100.0um/0.780-4000uinch

· Accuracy: Not more than 10%

· Function of Display Value: Not more than 6%

· Test Principle: Inductance type

· Radius of Probe Pin: 10um

· Material of Probe Pin: Diamond

· Measurement Force of Probe: 16mN(1.6gf)

· Probe Angle: 90°

· Vertical Radius of Guiding Head: 48mm

· Max. Driving Stroke: 17.5mm/0.7inch

· Cutoff Length (l): 0.25mm / 0.8mm / 2.5mm optional

· Evaluation Length: 1~5 cut off optional

· Driving Speed:

    1. Sampling length = 0.25mm Vt=0.135mm/s

    2. Sampling length = 0.8mm Vt=0.5mm/s

    3. Sampling length = 2.5mm Vt=1mm/s

    4. Returning Vt=1mm/s

· Resolution :

    1. 0.001μm if reading 10μm

    2. 0.01μm if 10μm≤reading 100μm

    3. 0.1μm if reading ≥100μm

· Power Li-ion Battery: Rechargeable

· Operating Conditions: Temperature: 0~50 °C,Humidity: <80%

· Size: 140x57x48 mm

· Weight: about 420g