thickness meter Measuring range (metric/imperial): 1.0-200mm,0.05-8inch Sound velocity: 500-9000m/s thickness meterModel: KTM8812 KTM8812CMeasuring range (metric/imperial): 1.0-200mm,0.05-8inchOperating principle: ULTROSONICMaterials measured: any hard materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron and ...