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
|