Thickness Meter,: 1.Coating thickness meter, 2.Thickness Gauge, 3.Fashion Design. Thickness Meter, Thickness Gauge1.Coating thickness meter,2.Thickness Gauge,3. ... Fashion Design.MODELCM-8820Measuring principleMAGNETICMEASUREMENT RANGE0~2000umRESOLUTION0.1/1ACCURACY±(5%n+1)POWER ... substrate (steel, iron, alloy andmagnetic steel) COATING THICKNESS METER