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Necessary in environments that regularly use weighing devices, calibration weights guarantee that measuring standards are met. Working to correct slight mechanic changes caused by transporting or excessive instrument handling, these tools guarantee that results remain accurate. The recessed grip or hanger styles are constructed of corrosive resistant metals that withstand cleaning solvents used in uncompromised performance preparations. Calibration weights are available in various masses and tolerances to maintain any analytical balance or laboratory scale resolution and sensitivity.

Necessary in environments that regularly use weighing devices, calibration weights guarantee that measuring standards are met. Working to correct slight mechanic changes caused by transporting or excessive instrument handling, these tools guarantee that results remain accurate. The recessed grip or hanger styles are constructed of corrosive resistant metals that withstand cleaning solvents used in uncompromised performance preparations. Calibration weights are available in various masses and tolerances to maintain any analytical balance or laboratory scale resolution and sensitivity.


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Product Image-470344-796

Eisco® Slotted Mass Sets with Hangers, Brass

Supplier: Wards
Description: Slotted mass sets with hangers made of brass and engraved for identification.

Product Image-470344-680

Eisco® 9-Piece Retractable Metric Hooked Weight Set, Stainless Steel

Catalog Number: (470344-680)
Supplier: Wards
Description: Set of 9 stainless steel hooked metric weights with retractable hooks, packed in a premium wooden storage block.
Product Image-10754-292

Individual Slotted Gram Masses

Supplier: Troemner
Description: Stainless steel slotted gram weights in a variety of options.

Product available on GSA Advantage®

Product Image-470217-904

Slotted Mass Set, 10.5 kg

Catalog Number: (470217-904)
Supplier: Wards
Description: A set of five slotted iron masses with hanger.
Product Image-470304-050

Stainless Steel Hooked Weight Sets

Supplier: United Scientific Supplies
Description: High Quality for the Classroom.

Product Image-12766-148

OIML Class E2 Precision Weight Sets, Troemner

Supplier: Troemner
Description: Troemner OIML Calibration Weights conform to the standards of the Organisation Internationale de Metrologie Legale International Recommendation (OIML R 111)

Product available on GSA Advantage®

Product Image-12622-251

Troemner Alloy 8 Precision Analytical Weight Sets, Class 3, Troemner

Supplier: Troemner
Description: Highly polished kilogram and gram weights made of Troemner Alloy 8, a specially developed austenitic stainless steel that possesses closely controlled density, extremely low magnetic permeability, good stability, and resistance to corrosion and handling damage

Product available on GSA Advantage®

Product Image-12765-450

Stainless Steel Avoirdupois Weight Sets, Class F, Troemner

Catalog Number: (12765-450)
Supplier: Troemner
Description: Weight sets used to test commercial weighing devices by state and local weights and measures officials, device installers and service technicians

Product available on GSA Advantage®


Product Image-97044-288

Economical Stainless Steel Slotted Weight Sets

Supplier: Troemner
Description: The makeup of economical stainless steel weight sets varies.

Product available on GSA Advantage®

Product Image-97044-316

Economical Individual Weights, Troemner

Supplier: Troemner
Description: Individual weights are available from 2 kg to 1 mg.

Product available on GSA Advantage®

Product Image-12627-996

Calibration Weights, Cast Iron, ASTM Class 6

Catalog Number: (12627-996)
Supplier: Troemner
Description: Individual scale calibration weights adjusted to meet or exceed ASTM Class 5 to 7 tolerances. Troemner cast iron test weights offer uncertainties of less than ¹/₄ of the tolerance and are available in cube, cylindrical, flat and grip handle designs in sizes from 1 mg to 30 kg or 1 to 50 lbs.

Product available on GSA Advantage®


Product Image-470305-874

Economical Class 7 Cylindrical Weights

Supplier: Troemner
Description: For rough weighing operations in physical and chemical laboratories, such as force measuring apparatus.

Product Image-470339-624

Deluxe Slotted Weight Set of 8, with Rack

Catalog Number: (470339-624)
Supplier: United Scientific Supplies
Description: Slotted brass weights for use with hangers.
Product Image-470344-474

Eisco® Hooked Brass Weights, Set of 9

Catalog Number: (470344-474)
Supplier: Wards
Description: Set of nine brass hooked weights ranging from 10 to 1000 g, perfect for classroom or lab experiments. Supplied in a wooden block for easy storage.
Product Image-470344-610

Eisco® 8-Piece Primary Weight Set, Brass

Catalog Number: (470344-610)
Supplier: Wards
Description: Set of 9 polished and lacquered brass weights in a premium wooden storage block.
Product Image-470345-566

Eisco® Slotted Mass Set with Hanger, Stainless Steel, 9 Weights, 500 g

Catalog Number: (470345-566)
Supplier: Wards
Description: Set includes nine weights totaling 500 g, made of stainless steel for durability. Set inclues a hanger for suspending.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
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The original product is no longer available. The replacement shown is available.
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