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.
VWR® C-Shaped Lead Ring Flask Weights
C-shaped lead ring flask weights are coated with green Vikem® vinyl to protect glassware.
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VWR® Calibration Weights
VWR® Calibration Weights are crafted from high grade stainless steel and feature a plastic storage case.
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Masterflex® Flow-Through Pump Tubing Weights, Avantor®
Keep your samples flowing and tubing from curling.
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VWR® Lead Ring Flask Weights
Protect and stabilize expensive glassware with Vikem® vinyl-coated lead rings.
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Individual Precision Analytical Weights, Class 1
These Sartorius calibration weights are sold individually with a choice of No Certificate, Traceabililty Certificate, or with a Certificate of Calibration. Your choice of certificates determine the price of your calibration weight.
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Individual Precision Analytical Weights, Class 2
These Sartorius calibration weights are sold individually with a choice of No Certificate, Traceabililty Certificate, or with a Certificate of Calibration. Your choice of certificates determine the price of your calibration weight.
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Essential Weights™ Calibration Weight Sets, ASTM Class 0 and 1
Essential Weights are customized sets of three or four stainless steel test weights in a small, durable carrying case, specifically tailored to your precision weighing equipment.
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Electronic Balance Cylindrical Weights, Class 1
ASTM Class 1 weights can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability.
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Individual Precision Analytical Weights, Class 4
These Sartorius calibration weights are sold individually with a choice of No Certificate, Traceabililty Certificate, or with a Certificate of Calibration. Your choice of certificates determine the price of your calibration weight.
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SP Bel-Art Round Lead Ring Flask Weights with Vikem® Vinyl Coating, Bel-Art Products, a part of SP
Vikem® vinyl-coated lead rings stabilize glassware immersed in water baths thereby reducing floating, breakage, and chemical spills.
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SP Bel-Art 'Wire' Lead Flask Weight with Vikem® Vinyl Coating, Bel-Art Products, a part of SP
These lead weights can be coiled into a helix, spiral, cone or any irregular shape to stabilize vessels in a water bath.
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SP Bel-Art Weighted Beaker/Flask Holders with Vikem® Vinyl Coating, Bel-Art Products, a part of SP
Weighted holder grips beakers or flasks firmly with four flared stainless steel prongs.
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CarePac® Test Weight Sets, METTLER TOLEDO®
These sets enable routine testing of balances by using two weights at maximum and minimum loads
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Calibration Weights, OIML, Class E2, Proof Line, Sartorius
Sartorius Proof Line weights are high quality working standards for everyday use. These weights are made of high quality material with polished or precision lathed surfaces.
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SP Bel-Art 'C'-Shape Open Lead Ring Flask Weights with Vikem® Vinyl Coating, Bel-Art Products, a part of SP
These rings fit neatly around the neck of filtering flasks with side-arm tubing connections without disconnecting the tubing.
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SP Bel-Art Tubing Sinkers, Bel-Art Products, a part of SP
Teflon® sinkers keep tubing at the bottom of a container.
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Stainless Steel Calibration Weights, ASTM, Class 1, Ohaus®
Manufactured to international standards, individual calibration weights are available for a variety of precision applications
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OIML Class 1 Individual Precision Weights, ASTM, Mettler Toledo
ASTM weights are designed to resist dust and moisture intrusion, offering long-term stability.
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ASTM Class 1 Weight Sets, METTLER TOLEDO®
These ASTM weight sets with adjusting cavity are made of vaccum-melted stainless steel, with an electropolished finish.
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ASTM Class 4 Calibration Weight Sets
ASTM calibration weight sets, adjusted to meet or exceed ASTM Class 1-4 tolerances, two-piece construction.
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Alloy 8 Individual Precision Analytical Weights, Ultra Class and ANSI/ASTM Classes 1 and 4, Troemner
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 Precision Weight Sets
ASTM weights are designed to resist dust and moisture intrusion, offering long-term stability.
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OIML Class F1 Precision Weights, Mettler Toledo
Basic Line weights are protected in robust and easy to clean plastic boxes.
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OIML Class 4 Individual Precision Weights, ASTM, Mettler Toledo
ASTM weights are designed to resist dust and moisture intrusion, offering long-term stability.
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OIML Class 2 Individual Precision Weights, ASTM, Mettler Toledo
ASTM weights are designed to resist dust and moisture intrusion, offering long-term stability.
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Individual Stainless Steel Hooked Weights
Choose from Weights Ranging from 10g to 1000g
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OIML Class F1 Precision Weights, Troemner
Troemner OIML Calibration Weights conform to the standards of the Organisation Internationale de Metrologie Legale International Recommendation (OIML R 111)
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OIML Class E2 Precision Weights, Troemner
Troemner OIML Calibration Weights conform to the standards of the Organisation Internationale de Metrologie Legale International Recommendation (OIML R 111)