Surface Roughness Testers

Surface Roughness Testers

Display: 4 digits, 10 mm LCD, with blue backlight

Parameters: Ra, Rz, Rq, Rt

Measuring Range :
Ra, Rq: 0.005-16.00um/0.020-629.9uinch
Rz, Rt: 0.020-160.0um/0.780-6299uinch

Accuracy: ≤ ± 10%
Test Principle: Inductance type
Radius of Probe Pin: 5 um
Material of Probe Pin: Diamond

Resolution :
0.001 um, if reading < 10um
0.01 um, if 10um ≤ reading ≤ 100um
0.1 um, if reading ≥ 100um