Calibration Weight / Mass Standard Calibration and Test Weights

Grey Cast Iron Individual M1 Block Shaped Weight -- YCW6559-00
from Sartorius Lab Instruments GmbH & Co. KG

Block Shaped Weights. Individual block shaped M1 and M2 OIML class weights. The weights are made of black painted grey cast . You can order the block shapped weights from 5 kg to 50 kg. [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard; Block Weight / Brick
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 11.03
  • Class & Tolerance: OIML Class M1
1270 - Troemner 10LB Class-F SS Test Weight with Statement of Accuracy, Grip Handle -- GO-11966-26
from Cole-Parmer

bull; Stainless Steel Test Weights are primarily used to test commercial weighing devices by state and local weights and measures officials, device installers, and service technicians. Stainless Steel Grip Handle Weights are legal for trade, which means their design meets specifications as outlined... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Avoirdupois (Lbs, Oz.)
  • Denomination / Weight: 10
  • Class & Tolerance: NIST Class F
(2) 200g - 1mg Precision Weight Set Class 1, NVLAP Certificate -- 80082TL-NVLAP [7221-1W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Alloy 8 Metric Precision Weight Set. Class: Class 1. Certification: NVLAP Certificate. Highly polished weights. 200g-1g weights are Alloy 8 stainless steel. 500 mg down to 50mg weights are 304 stainless steel. Weights below 50mg are flat aluminum weights. Weights 500 mg and below... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 0.4410
  • Class & Tolerance: ASTM Class 1; Calibration Certificate
Individual F1 Aluminum Leaf Weight -- YCW013-00
from Sartorius Lab Instruments GmbH & Co. KG

Weights (YCW). Features of Sartorius metrological weights. Class F1 leaf weights (F2, M1 in weight sets, or on request). 1 –5 mg aluminum; density 2.7 g/cm3. 10 –500 mg nickel silver; density 8.6 g/cm3. Class E1 and E2 wire weights. 1-mg special steel, non-magnetizable. E1: density 8.0... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard; Leaf Weight
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6
  • Class & Tolerance: OIML Class F1; DAkkS Certificate
9078T - Troemner 25 LB Cast Iron Class F Grip-Handle Calibration Mass, Traceable Certificate -- GO-11966-54
from Cole-Parmer

bull; Acceptable for use verifying scalse that have a <tol >0.1% accuracy or lower. • Color coding â € “ silver for avoirdupois. Cast Iron Grip Handle Weights larger than 5 kg/10 lb are legal for trade, which means their design is acceptable for use in checking weighing... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Avoirdupois (Lbs, Oz.)
  • Denomination / Weight: 25
  • Class & Tolerance: NIST Class F
(2) 2kg - 1g Precision Weight Set Class 1, NVLAP Certificate -- 80073TL-NVLAP [7212-1W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Alloy 8 Metric Precision Weight Set. Class: Class 1. Certification: NVLAP Certificate. Material: Highly polished weights. 2kg weights are 316 stainless steel. 1kg-1g weights are Alloy 8 stainless steel. Two piece construction with handling knob. Configuration: 2-2 kg, 1 kg, 500... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 4.41
  • Class & Tolerance: ASTM Class 1; Calibration Certificate
Special Steel Non-magnetizable Wire Weight 1mg, E1 -- YCW0111-00
from Sartorius Lab Instruments GmbH & Co. KG

Weights (YCW). Features of Sartorius metrological weights. Class F1 leaf weights (F2, M1 in weight sets, or on request). 1 –5 mg aluminum; density 2.7 g/cm3. 10 –500 mg nickel silver; density 8.6 g/cm3. Class E1 and E2 wire weights. 1-mg special steel, non-magnetizable. E1: density 8.0... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard; Wire Weight
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6
  • Class & Tolerance: OIML Class E1
Troemner 10 mg Precision Analytical Class 1 Weight with NVLAP Accredited Certificate -- GO-11957-07
from Cole-Parmer

bull; ASTM Class 1 - Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as. • 0.1 mg to 0.01 mg. • Surfaces are polished to a perfect, mirror like finish. • Masses are less... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-5
  • Class & Tolerance: ASTM Class 1
1 kg-1 mg Analytical Precision Class 1 Weight Set -- 7217-1 [7217-1 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Alloy 8 Metric Precision Weight Set. Class: Class 1. Certification: Statement of Accuracy. Highly polished weights. 1kg-1g weights are Alloy 8 stainless steel. 500 mg down to 50mg weights are 304 stainless steel. Weights below 50mg are flat aluminum weights. Weights 500 mg and... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 2.21
  • Class & Tolerance: ASTM Class 1
Weight Set -- YCS01-513-00
from Sartorius Lab Instruments GmbH & Co. KG

Weight Sets (YCS). Features of Sartorius weight sets. The weights in Sartorius sets have the same features as the individual weights of their corresponding class. Sartorius weight sets are supplied in a wooden case (except for service weights, which are in a plastic case), along with the matching... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard; Weight Set
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 0.2205
  • Class & Tolerance: OIML Class F1
10 lb-1/32 oz Class F Stainless Steel Test Weight Set w/No Cert -- TW-100 [TW-100 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Set Contents (3) 10lb, (3) 5lb, (5) 1lb, 8oz, 4oz, 2oz, 1oz, 1/2oz, 1/4oz, 1/8oz, 1/16oz, (2) 1/32oz. Construction Weights 10 lb through 8 oz - two-piece Weights 4 oz through 1/32 oz - one-piece construction. Weight Set Range 10 lb-1/32 oz. Number of Pieces 21. Dimensions (Weight... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Avoirdupois (Lbs, Oz.)
  • Denomination / Weight: 0.0020 to 10
  • Class & Tolerance: NIST Class F
100g - 100mg Precision Weight Set Class 1, NVLAP Certificate -- 7225-1W [7225-1W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Capacity: 211 g. Class: Class 1. Certification: NVLAP Certificate. Material: Highly polished weights. 100g-1g weights are Alloy 8 stainless steel, 500 mg down to 50mg weights are 304 stainless steel, weights below 50mg are flat aluminum weights. Construction: Weights 500 mg and... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.20E-4 to 0.2205
  • Class & Tolerance: ASTM Class 1; Calibration Certificate
100g - 10mg Precision Weight Set Class 1, No Certificate -- 7226-1TR [7226-1 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Troemner Model # 7226-1. Highly polished weights are made of non-magnetic, corrosion resistant stainless steel. Weight sets 200g and above are supplied in oak cases while weight sets below 200g are supplied in strong polypropylene cases. All weights sets are marked with serial... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-5 to 0.2205
  • Class & Tolerance: ASTM Class 1
100g - 1mg Precision Weight Set Class 1, Traceable Certific -- 7228-1T [7228-1T from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg. 100 g-1 mg. Class 1. Weights 1 g and above are Troemner Alloy 8. Weights 5 mg through 500 mg are... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 0.2205
  • Class & Tolerance: ASTM Class 1; Traceable Certificate / Traceability Report
100g - 1mg Precision Weight Set Class 4, Traceable Certific -- 7228-4T [7228-4T from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. For calibration of semi-analytical balances and for student use. 100 g-1 mg. Class 4. Weights 1 g and above are Troemner Alloy 8. Weights 5 mg through 500 mg are 304 Stainless Steel. Weights below 5 mg are 3003-H14 Aluminum. Weights 50 kg through 1 g are cylindrical with handling... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 0.2205
  • Class & Tolerance: ASTM Class 4; Traceable Certificate / Traceability Report
100g-1mg Analytical Precision Weight Set, Class 0, Cal. Repor -- 45930RL [45930 from Rice Lake Weighing Systems]
from Transcat, Inc.

Product Highlights. 100g-1mg Weight Set. ASTM Class 0. SST (5321). Each Unit Includes. 11711 Weight,Tweezers 3.54x.46 Delrin. 11714 (2)Weight Gloves,Cloth White. 11755 Weight Case,Insert Lid. 16889 Label,TMAP Weight Cases Adhesive. 46068 Weight,Leaf 1mg ASTM Class 0 AL. 46069 Weight,Leaf 2mg ASTM... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 0.2205
  • Class & Tolerance: ASTM Class 0 / Ultra Class
10kg - 1mg Precision Weight Set Class 1, No Certificate -- 7209-1 [7209-1 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg. 10 kg-1 mg. Class 1. Weights 2 kg and above are 316 Stainless Steel. Weights 1 g through 1 kg are... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 22.05
  • Class & Tolerance: ASTM Class 1
1g - 5kg Precision Weight Set Class 4, Traceable Certificate -- 7210-4T [7210-4T from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Weight Set Range 5 kg-1 g. Capacity 10 kg. Class 4. Traceable Certificate. Set Contents 5 kg, (2) 2 kg, 1 kg, 500 g, (2) 200 g, 100 g, 50 g, (2) 20 g, 10 g, 5 g, (2) 2 g, 1 g. Number of Pieces 16. Weights 2 kg and above are 316 Stainless Steel. Weights below 2 kg are Troemner... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 11.03
  • Class & Tolerance: ASTM Class 4; Traceable Certificate / Traceability Report
1kg - 1mg Precision Weight Set Class 1, Traceable Certificate -- 7217-1T [7217-1T from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Capacity: 2.13 kg. Class: Class 1. Certification: Traceable Certificate. Material: Highly polished weights. 1kg-1g weights are Alloy 8 stainless steel. and 500 mg down to 50mg weights are 304 stainless steel, weights below 50mg are flat aluminum weights. Construction: Weights 500... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 2.21
  • Class & Tolerance: ASTM Class 1; Traceable Certificate / Traceability Report
1kg - 20g Precision Weight Set Class 1, NVLAP Certificate -- 7263-1W [7263-1W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Weight Set Range 1 kg-20 g. Capacity 1120 g. Class 1. NVLAP Accredited Certificate. Set Contents 1 kg, 100 g, 20 g. 316 Stainless Steel. Density 7.95 g/cm3 at 20 °C. Cylindrical with handling knob. Dimensions (Weight in Case) 16 x 13 x 5". Supplied in a rugged polypropylene... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0441 to 2.21
  • Class & Tolerance: ASTM Class 1; Calibration Certificate
1mg - 20kg Precision Weight Set Class 0, NVLAP Cert., HD Case -- 7207-OW/SSCA-20000 [7207-OW/SSCA-20000 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. The weight tolerance is equal to ANSI/ASTM E617 Class 0 and exceeds OIML R 111 Class E2. This class is used as a reference standard for calibrating other reference standards and weights and is appropriate for calibrating high-precision analytical balances with a readability as... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 44.1
  • Class & Tolerance: ASTM Class 0 / Ultra Class; Calibration Certificate
1mg - 20kg Precision Weight Set Class 1, NVLAP Certificate -- 7207-1W [7207-1W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Weight Set Range 20 kg-1 mg. Capacity 40 kg. Class 1. NVLAP Accredited Certificate. Set Contents 20 kg, 10 kg, 5 kg, (2) 2 kg, 1 kg, 500 g, (2) 200 g, 100 g, 50 g, (2) 20 g, 10 g, 5 g, (2) 2 g, 1 g, 500 mg, (2) 200 mg, 100 mg, 50 mg, (2) 20 mg, 10 mg, 5 mg, (2) 2 mg, 1 mg. Number... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 44.1
  • Class & Tolerance: ASTM Class 1; Calibration Certificate
2 kg-1g Analytical Precision Class 1 Weight Set, No Cert. -- 7212-1 [7212-1 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Alloy 8 Metric Precision Calibration Weight Sets. 6.13 kg. Class 1. Statement of Accuracy. Highly polished weights. 2kg weights are 316 stainless steel, 1kg-1g weights are Alloy 8 stainless steel. 2 piece construction with handling knob. 2-2kg, 1kg, 500g, 2-200g, 100g, 50g,... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 4.41
  • Class & Tolerance: ASTM Class 1
200g - 1g Analytical Precision Weight Set, Class 4 -- 12211RL [12211 from Rice Lake Weighing Systems]
from Transcat, Inc.

Product Highlights. Weight Set 200g-1g ASTM Class 4 Stainless Steel Polisher (4321) [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 0.4410
  • Class & Tolerance: ASTM Class 4
200g - 1g Precision Weight Set Class 3, NVLAP Certificate -- 7222-3W [7222-3W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Appropriate for calibrating balances with moderate precision and with a readability as low as 0.1 g to 0.01 g. 200 g-1 g. Class 3. Troemner Alloy 8. Supplied in a high quality polycarbonate case with a compartment for each weight as well as compartments for a brush, forceps and... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 0.4410
  • Class & Tolerance: ASTM Class 3; Calibration Certificate
200g - 1mg Precision Weight Set Class 1, Traceable Certificate -- 7223-1T [7223-1T from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg. 200 g-1 mg. Class 1. Weights 1 g and above are Troemner Alloy 8. Weights 5 mg through 500 mg are... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 0.4410
  • Class & Tolerance: ASTM Class 1; Traceable Certificate / Traceability Report
200g - 1mg Precision Weight Set Class 2, No Certificate -- 7223-2 [7223-2 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Appropriate for calibrating high-precision top loading balances with a readability as low as 0.01 g to 0.001 g. 200 g-1 mg. Class 2. Weights 1 g and above are Troemner Alloy 8. Weights 5 mg through 500 mg are 304 Stainless Steel. Weights below 5 mg are 3003-H14 Aluminum. Supplied... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 2.21E-6 to 0.4410
  • Class & Tolerance: ASTM Class 2
200g-1g Analytical Precision Class 1 Weight Set, NVLAP Cert. -- 7222-1W [7222-1W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Weight Set Range 200 g-1 g. Capacity 400 g. Class 1. NVLAP Accredited Certificate. Set Contents 200 g, 100 g, 50 g, (2) 20 g, 10 g, 5 g, (2) 2 g, 1 g. Number of Pieces 10. 316 Stainless Steel. Density 7.95 g/cm3 at 20 °C. Cylindrical with handling knob. 1 g and above -... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 0.4410
  • Class & Tolerance: ASTM Class 1; Calibration Certificate
200g-1g OIML Class E1 Weight Set with No Certificate -- 7420-E1 [7420-E1 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Used as a primary reference for calibrating other reference standards and weights where the stability of the environment and careful handling are assured. Class E1 weights have no method of adjustment and are not suitable for general laboratory use. The uncertainty is guaranteed... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 0.4410
  • Class & Tolerance: OIML Class E1
200g-1g OIML Class E2 Weight Set with No Certificate -- 7420-E2 [7420-E2 from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg. Class E2. 200 g-1 g. 10 pieces. Supplied in a high quality polycarbonate case with a compartment... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 0.4410
  • Class & Tolerance: OIML Class E2
200g-1g OIML Precision Class E1 Weight Set, NVLAP Certificate -- 7420-E1W [7420-E1W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Used as a primary reference for calibrating other reference standards and weights where the stability of the environment and careful handling are assured. Class E1 weights have no method of adjustment and are not suitable for general laboratory use. The uncertainty is guaranteed... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 0.4410
  • Class & Tolerance: OIML Class E1; Calibration Certificate
200g-1g OIML Precision Class E2 Weight Set, NVLAP Certificate -- 7420-E2W [7420-E2W from Henry Troemner LLC]
from Transcat, Inc.

Product Highlights. Can be used as a reference standard in calibrating other weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg. Comes with a NVLAP Certificate. Class E2. 200 g-1 g. 10 pieces. Supplied in a high quality... [See More]

  • Weight Type / Shape: Calibration Weight / Mass Standard
  • Units System: Metric (SI, g or kg)
  • Denomination / Weight: 0.0022 to 0.4410
  • Class & Tolerance: OIML Class E2; Calibration Certificate