Product name
Digital Roughness Measuring Instrument Surface Roughness Tester
Usage
Surface Roughness Tester
Display
4 digits, 10 mm LCD, with blue backlight
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