Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : HARFINGTON BulletPoint : ST9550A+ Handheld floor heating thermalImager BulletPoint1 : Size - Total Size: 275x208mm/10.8"x8.2"(L*W); Thickness: 0.12mm/0.004". BulletPoint2 : Material - The SEC size estimation chart is made of PET clear plastic, which is resistant and unbreakable. This film transparent ruler is very thin, as thin as paper, and much thinner than ordinary rulers. BulletPoint3 : Features - Transparent film SEC pattern used for quality inspection and defect size estimation, with high accuracy, excellent transparency, minimal error caused by temperature, and long-term use. BulletPoint4 : Applications - The high-precision film ruler is perfect for factories, research institutes, measuring rooms and workshops. It can be used to measure the area of a wide variety of products, accurately detect and calibrate various measuring instruments, measure the reduction rate of photo printing films and detect the size of optical projection maps, etc. BulletPoint5 : Notice - You can use it with a magnifying glass. A magnifying glass makes it easy to measure the length of two or more consecutive points. We don't need expensive measuring instruments to get accurate readings. ExternallyAssignedProductIdentifier : 5726508996878 HeatingElementType : Radiant HeatingMethod : Radiant IncludedComponents : ST9550A+ X1 ItemName : HARFINGTON High Precision SEC Size Estimation Chart 270x180mm Transparency Flaw Detection Film Ruler for Diameter Area and Line Width Defects Measuring ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 12.2 inches ItemPackageDimensions_Width : 8.66 inches ItemPackageQuantity : 1 ItemTypeKeyword : flaw-detection-tools Manufacturer : HARFINGTON Material : Polyethylene Terephthalate MeasurementAccuracy : 1 ModelName : CS-GRM330SL ModelNumber : CS-GRM330SL MountingType : Floor Mount NumberOfItems : 199 NumberOfLithiumIonCells : 1 PartNumber : hta230918hh000094 ProductDescription : The SEC size estimation chart is made of PET clear plastic, which is resistant and unbreakable. This film transparent ruler is very thin, as thin as paper, and much thinner than ordinary rulers. Transparent film SEC pattern used for quality inspection and defect size estimation, with high accuracy, excellent transparency, minimal error caused by temperature, and long-term use. The high-precision film ruler is perfect for factories, research institutes, measuring rooms and workshops. It can be used to measure the area of a wide variety of products, accurately detect and calibrate various measuring instruments, measure the reduction rate of photo printing films and detect the size of optical projection maps, etc.