Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : American Educational Products BulletPoint1 : Powered by AC Adaptor or internal rechargeable battery BulletPoint2 : Large easy to read backlit LCD BulletPoint3 : Multiple weighing units BulletPoint4 : Weighing, Counting & Percent Weighing Functions BulletPoint5 : Standard RS232 Communication Interface ExternallyAssignedProductIdentifier1 : 795721140271 ExternallyAssignedProductIdentifier2 : 0795721140271 ItemName : American Educational 8 Piece Precision Weight Masses Set ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 14 inches ItemPackageDimensions_Width : 12 inches ItemPackageQuantity : 1 ItemTypeKeyword : calibration-weights Manufacturer : American Educational ModelNumber : 7-2500-13 NumberOfItems : 1 NumberOfLithiumIonCells : 1 PartNumber : 7-2500-13 ProductDescription : The GMC-3002 Precision Balance is Ideal for Education, Laboratory, Industrial and Scientific applications. Features include large backlit LCD, excellent overload protection, multiple weighing units and application modes. Other features include power saving Auto Off and Backlight controls and a standard RS232 interface for communication with computers and printers. With their high accuracy and fast stabilization time, these portable balances set a new standard in precision weighing. ProductSiteLaunchDate : 2012-07-01T00:00:01-07:00 Size : 3kg x 0.01g SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 41111505