Specification Brand : HFBTE BulletPoint : VTSYIQI Turbidity Calibration Standard With 4 PCS Solution Range 0.02NTU 200NTU 500NTU 1000NTU for Digital Water Turbidity Meter TB200 BulletPoint1 : ◆A bottle of 400NTU Formazine Standard Turbidity Solution BulletPoint2 : ◆For Water Turbidity Meter BulletPoint3 : ◆For Water Turbidity Meter BulletPoint4 : ◆Please note that there is only A bottle of 400NTU Formazine Standard Turbidity Solution & 4 EMPTY 25*60mm Glass Sample Bottles in the package, and there is no Turbidimeter. BulletPoint5 : A great gift, this portable water quality testing pen is a great choice for home use, outdoor camping, or giving to parents. Color : Green ExternallyAssignedProductIdentifier1 : 0197771491141 ExternallyAssignedProductIdentifier2 : 197771491141 IncludedComponents : Formazine Standard Turbidity Solution ItemName : HFBTE Portable Turbidimeter Turbidity Calibration Standard Formazin Solutions 400NTU 100ml Fast Delivery for Calibrating SGZ-200BS SGZ-200B SGZ-20B SGZ-50B SGZ-400B Turbidimeter Turbidity Meters ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-turbidity-meters Manufacturer : HFBTE Material : plastic MeasurementAccuracy : high accuracy ModelName : ForeverPRO ModelNumber : 2024101516dara NumberOfItems : 1 OemEquivalentPartNumber : Z290067 PartNumber : 2024101516dara ProductDescription : Please note that there is only A bottle of 400NTU Formazine Standard Turbidity Solution in the package, and there is no Turbidimeter. ProductSiteLaunchDate : 2024-10-14T07:00:00.000Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 41000000 WarrantyDescription : 90 Days Manufacturer WebsiteShippingWeight : 1 pounds