Features:
Multiple parameter measurement: Ra, Rz
Highly sophisticated inductance sensor
Built-in rechargeable battery and control circuit with high capacity
Exclusive DSP processes to output measurement results on LCD
Rechargeable battery via USB cable or Power Adapter

Specifications:
Multiple parameter measurement: Ra, Rz
Filtering methods: RC, PC-RC, GAUSS and D-P
Accuracy:Fluctuation of display value: Maximum driving stroke: 17.5mm/0.7inch
Cutoff Length: 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 **0.01µm if 10µm =reading **0.1µm if reading =100µm
Metric / Imperial Conversion
Display: 4 digits, 10mm LCD with blue backlight
Power Li-ion battery: rechargeable
Operating conditions
**Temperature: 0~50°C
**Humidity: Auto & Manual switch off
Size: 140 x 57 x 48mm (5.5 x 2.2 x 1.9 inch)
Weight: about 420g

Set Includes:
1 x Digital Surface Roughness Tester
1 x Carrying Case
1 x Standard Sensor
1 x Standard Sample Plate
1 x English Operation Manual
1 x Screwdriver
1 x Adjustable Leg
1 x Sheath of Sensor
Power Adapter (choose 1 from these available Adapter forUS, UK, Australia and Europe system)