Product Name: Coating Thickness Gauge Model NO.: SR2820 Measuring Range: 1.5-200mm,0.06-8inch Operating Principle: Ultrasonic Resolution: 0.1mm Dimensions: 160x68X32mm Weight (Not Including Battery): 208g Trademark: ShowRange Transport Package: Carton Specification: CE Origin: Shanghai, China HS Code: 9025800000 Product Description SR2820Coating Thickness GaugeFeatures:This product is a portable coating thickness gaugefor fast, accurate and nondestructive measurement ofthe thickness of non-magnetic coatings (such as paintand film) on magnetic metal substrates. This product hasseen wide application in manufacture, metal working,chemical industry, commodity inspection and other fields.Specifications:Measurement ranges0 ~1.80mm/0 ~71.0 milResolution0.01mm/1milMeasurement error±0.03mmMin. diameter of substrate50mmMin. thickness of substrate0.5mmPower supply2*1.5V AAA batteriesOperating temperature range0 ~ 40°COperating humidity range10-95%RHOverall dimensions65*31*108mmWeight63.98g(exclusive of batteries)