Probe types |
F |
N |
Measuring methods: |
magnetic induction |
eddy current |
Measuring range: |
0 to 1250 μm |
0 to 1250 μm
0 to 40μm (for chromeplate on copper) |
Minimum resolution: |
0.1μm |
Tolerance : |
One point calibration |
±(3%H+1) |
± (3%H+1.5) |
H means the thickness of tested piece |
Two points calibration |
±[(1~3)%H+1] |
±[(1~3)%H+1.5] |
H means the thickness of tested piece |
Measuring condition |
Min. curvature radius (mm) |
Convexity 1.5 |
Convexity 3 |
Min. testing area diameter (mm) |
Φ7 |
Φ5 |
Critical thickness of substrate |
0.5 |
0.3 |
Power supply |
Battery AAA 1.5V (2pcs) |
Working Temperature |
0-40°C |
Dimensions |
110mm×50mm×23mm |
Weight |
100g |