- Display: 4 digits, 10 mm LCD, with blue backlight
- Parameters: Ra, Rz
- Display Range
- Ra: 0.05-10.00um/1.000-400.0uinch
- Rz: 0.020-100.0um/0.780-4000uinch
- Accuracy: Not more than 10%
- Fluctuation of display value: Not more than 6%
- Sensor :
- 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
- Maximum 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:
- sampling length = 0.25mm Vt=0.135mm/s
- sampling length = 0.8mm Vt=0.5mm/s
- sampling length = 2.5mm Vt=1mm/s
- returning Vt=1mm/s
- Resolution : 0.001μm if reading ＜10μm
- 0.01μm if 10μm≤reading＜100μm
- 0.1μm if reading ≥100μm
- Power Li-ion battery: rechargeable
- Operating conditions:
- Temp. 0~50℃
- Humidity <80
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