Product DescriptionINTRODUCTION: This tester is designed to not-destructively measure the thickness of non-magnetic coatings(including paint,enamel,plastic,epoxy,etc)on iron,steel or aluminum. SPECIFICATION: Measuring Range: 0.0mm to 2.0mm 0mil to 80mil Accuracy : 2%rdg ±0.1mm, or 2%rdg ±4mil Note: Accuracy is guaranteed at the operating temperature of 23℃±℃ and relative humidity of not more than 75%. Resolution : 0.1mm/1mil Power Supply : 1 x 3V button cell, CR2032 or equivalent ( Move the battery's insulating piece away before using ) Operating Environment:Temperature: 0-40℃ Relative Humidity: < 80% Temperature Coefficent:0.05x(2%rdg±0.01mm,or 2%rdg±4mil)/℃ (< 18℃ or >28℃) Storage Environment:Temperature:-10℃ to 50℃ Relative Humidity:< 80% Size:6.9 x 3.8 x 2cm Weight : About 23g (including button cell) SET COMPRISE: 1 x Paint Thickness Tester 1 x English Manual Standard Blister Packaging