Specification Brand : EISCO BulletPoint1 : ADJUSTABLE SCALE || Complete apparatus has a 15cm adjustable scale, marked in mm, to help prevent parallax error BulletPoint2 : 30CM SUPPORT ROD || Scale is mounted on sturdy 30cm support rod BulletPoint3 : STURDY WOODEN BASE || Apparatus is situated on a sturdy wooden base BulletPoint4 : MASSES INCLUDED || Includes 9 slotted masses and hanger, each weighing 10g, for a total of 100g BulletPoint5 : PERFECT FOR PHYSICS CLASSROOMS || Ideal for demonstrating Hooke's Law which states the force needed to extend or compress a spring by some distance is proportional to that distance Capacity : 250 grams Color : Red CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 849230039257 ExternallyAssignedProductIdentifier2 : 0849230039257 ExternallyAssignedProductIdentifier3 : 00849230039257 FormFactor : Handheld IncludedComponents : ● 1 x Hanging Spring Dial Scale ● 2 x S-Hook ItemDisplayWeight : 5 pounds ItemName : Hooke's Law Apparatus for Student Use - Supplied w/Weights - Eisco Labs ItemPackageDimensions_Height : 38.1 centimeters ItemPackageDimensions_Length : 5.207 centimeters ItemPackageDimensions_Width : 14.097 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-spring-scales Manufacturer : Eisco Material : Wood Material1 : Acrylonitrile Butadiene Styrene Material2 : Metal MeasurementAccuracy : 0.2kg/1pound MeasurementType : mass ModelNumber : PH0323A NumberOfItems : 1 PartNumber : PH0323A ProductDescription : The Hooke's Law Apparatus is used to demonstrate that the relationship between the extension on a spring is proportional to the load applied to it. The complete apparatus has a 15cm adjustable scale, marked in millimeters, to mitigate parallax error. The scale is mounted on sturdy 30cm support rod and a wooden base. A hook supporting a coiled spring with a 10g mass hanger and indicator is attached to rod. Nine additional 10g slotted masses are included, for a total of 100g. Includes instructions. ProductSiteLaunchDate : 2014-01-17T20:39:02.619Z ReadoutAccuracy : +/- 1% to +/- 5% RecommendedUsesForProduct : Physics Classrooms, Demonstrating Hooke's Law Size : 250g/2.5n Capacity, 10g/0.1n Readability SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 WeighScaleType : suspension_scale