Specification :

Model: SRT-6210

Display 4 digits, 10 mm LCD, with blue backlight

Parameters: Ra, Rz, Rq, Rt

Measuring Range

Ra, Rq: 0.005-16.00um/0.020-62.99uinch

Rz, Rt: 0.020-160.0um/0.078-629.9uinch

Accuracy: Not more than ¡À10%

Fluctuation of display value: Not more than 6%

Sensor :

Test Principle: Inductance type

Radius of Probe Pin: 5µm

Material of Probe Pin: Diamond

Dynamo-measurement of Probe: 4mN(0.4gf)

Probe Angle: 90¡ã

Vertical Radius of Guiding Head: 48mm

Maximum driving stroke: 17.5mm/0.7inch

Cutoff length (l): 0.25mm / 0.8mm / 2.5mm 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

Profile digital filter

Filtered Profile: RC

Filtered Profile: PC-RC

Filtered Profile: Gauss

Non-Filtered Profile: D-P

Resolution: 0.001/0.01/0.1 um

Evaluation length: 5 cut-off

Power Li-ion battery rechargeable

Operating condition: Temp. 0~50

Humidity