Measurement range0~1800um/0~70.9milResolution( 0.1μm(<100μm),1μm(≥100μm))/0.1mil/0.001mmMeasurement error≤150μm ±5μm>150μm ±(3%H+1μm)Minimum diameter ofmagnetic metal substrate12mmMinimum thickness ofmagnetic metal substrate0.5mmMinimum radius of curvaturefor magnetic convex substrate2mmMinimu..