SRT-6200 2 Parameters Surface Roughness Tester

2 Parameters Surface Roughness Tester

Specifications: 

Parameters: Ra, Rz
Measuring 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
Evaluation length: 5 cut-off
Display: 4 digits, 10mm LCD, with blue backlight
Power Li-ion battery: Rechargeable
Operating conditions: 
Temp. 0~50C
Humidity <80%