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Weights are essential tools in any environment to make sure testing performance accurate. Calibrating weighing devices or simply keeping equipment in place during extensive processing, the weights are specifically designed to meet international standards. Individual models needed or economical kits are constructed of durable metals to withstand heavy routine use and potentially harsh solvents encountered. The large style and size selection guarantees compatibility with existing equipment in the laboratory or classroom.

Weights are essential tools in any environment to make sure testing performance accurate. Calibrating weighing devices or simply keeping equipment in place during extensive processing, the weights are specifically designed to meet international standards. Individual models needed or economical kits are constructed of durable metals to withstand heavy routine use and potentially harsh solvents encountered. The large style and size selection guarantees compatibility with existing equipment in the laboratory or classroom.


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ASTM Class 4 Calibration Weight Sets

Supplier: Ohaus
Description: ASTM calibration weight sets, adjusted to meet or exceed ASTM Class 1-4 tolerances, two-piece construction.

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ASTM Class 6 Weight Sets

Supplier: Ohaus

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Stainless Steel Calibration Weights, ASTM, Class 1, Ohaus®

Supplier: Ohaus
Description: Manufactured to international standards, individual calibration weights are available for a variety of precision applications

Product Image-73690-044

Alloy 8 Individual Precision Analytical Weights, Ultra Class and ANSI/ASTM Classes 1 and 4, Troemner

Supplier: Ohaus
Description: Individual weights available in Troemner UltraClass (equals or exceeds OIML Class E2 tolerances), and ANSI/ASTM Classes 1 and 4.

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ASTM Class 4 Weight Set

Catalog Number: (89399-598)
Supplier: Ohaus
Product Image-490007-654

Vinyl-Coated Lead Rings

Supplier: Heathrow Scientific
Description: Vinyl Coated as Not to Scratch Bench Tops or Glassware.

Product Image-470304-046

Slotted Weight Set of 12, Aluminum

Catalog Number: (470304-046)
Supplier: United Scientific Supplies
Description: High quality for the classroom.
Product Image-14216-648

Electronic Balance Calibration Weights, ANSI/ASTM Class 2 Weight, Troemner

Supplier: Troemner
Description: Precision-crafted of stainless steel, with a highly polished finish

Product available on GSA Advantage®

Product Image-12666-180

Individual Precision Analytical Weights, Class 2, Troemner

Supplier: Troemner
Description: Highly polished kilogram and gram weights made of Troemner Alloy 8, which is 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-470221-112

Density Sets

Supplier: Wards
Description: Students Learn That the Density of a Substance is Constant, Even as Its Mass and Volume Change.

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ASTM Class 1 Weight Sets

Catalog Number: (80700-996)
Supplier: Ohaus
Product Image-470344-076

Eisco Hexagonal Masses with Lifting Ring, Cast Iron

Supplier: Wards
Description: Hexagonal shape masses labeled with weight.

Product Image-10754-354

Replacement Stainless Steel Hooked Weights

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

Product available on GSA Advantage®

Product Image-470339-136

Basic Hooked Weight Set of 10, Stainless Steel

Catalog Number: (470339-136)
Supplier: United Scientific Supplies
Description: Stainless steel hooked weight set.
Product Image-470344-450

Eisco® Balance Weights Set, Stainless Steel

Supplier: Wards
Description: Sets of stainless steel balance weights individually stamped and packed in a premium wooden storage block.

Product Image-470344-262

Eisco® Hooked Weights, Iron

Supplier: Wards
Description: Hooked Iron Weights with cylindrical bodies stamped with weight, cone-shaped tops, and bottom bar and slot to hang additional weights.

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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.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

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:

  • State issued document with your organization's Federal Tax ID Number
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  • City or County issued Business License
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  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

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This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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