| Probe types |
F |
N |
| Measuring methods |
magnetic induction |
eddy current |
| Measuring range |
0 ~1250 μm |
0 ~1250 μm, 0 to 40μm(for chrome plate on copper) |
| Minimum resolution |
0.1μm |
| Tolerance |
Zero point calibration |
±(3%H+1)μm |
± (3%H+1.5)μm |
| H means the thickness of tested piece |
| Two points calibration |
±[(1~3)%H+1]μm |
±[(1~3)%H+1.5]μm |
| H means the thickness of tested piece |
| Measuring condition |
Min. curvature radius (mm) |
Convexity 1.5 |
Convexity 3 |
| Min. testing area diameter (mm) |
Ø7 |
Ø5 |
| Critical thickness of substrate(mm) |
0.5 |
0.3 |
| Standards |
DIN,ISO,ASTM,BS |
| Calibration |
Zero and foil calibration |
| Interface |
USB2.0 |