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Sartorius Calibration Weights and Calibration Mass Sets
 
Class 0

Individual

Weight Sets
Class 1

Individual

Weight Sets
Class 2

Individual

Weight Sets
Class E1

Individual

 
Class E2

Individual

 

Individual Calibration Weights

 

Sartorius Knob WeightsSartorius Certified Calibration Weights:

  • NVLAP-accredited metrology lab
  • Meets or exceeds all ASTM Standards
  • 1 mg to 5 kg calibration masses
  • Corrosion-resistant stainless steel
  • Custom weight sets available (phone 1-800-832-0055 for information)

Sartorius Calibration Weights are sold individually or as a 9-piece or 21-piece set with a Report of Traceabililty, and, for an additional nominal fee, with a certificate of Calibration.

Certificate of Calibration - The Certificate of Calibration report includes the nominal value and the conventional mass correction value for each weight certified. It also lists information on the standards the weights were compared against, including:

  • Identifying number
  • NIST test number
  • Date the standards were last calibrated
  • NVLAP laboratory code

Report of Traceability - At no additional cost, each Sartorius weight or weight set is supplied with a Report of Traceability. This report identifies:

  • Tolerance class
  • Type of construction
  • NIST test number
  • Date of applicable Sartorius primary standard(s)
  • Secondary set number
  • Includes technician's signature

Individual Metric Stainless Steel OIML Precision Weights

Available Classes: Class 0 - Class 1 - Class 2 - Class E1 - Class E2 - Class F1

OIML/R111, Class F1

 

Table of Weight Tolerances

Metric Weight Tolerances

The table below is a listing of the tolerances of various classes of masses. The weight value can deviate above or below the nominal value by the tolerance defined. To determine the tolerance of a mass, look at the denomination or nominal value of the weight and the appropriate class you need.

Available Classes: Class 0 - Class 1 - Class 2 - Class E1 - Class E2 - Class F1

  International Organization of Legal Metrology Recommendation R111* ANSI/ASTM E617
  E1 E2 F1 0 1 2
Denomination
Metric
mg mg mg mg mg mg
5000 kg     25000      
3000 kg            
2000 kg     10000      
1000 kg   1600 5000      
500 kg   800 2500      
300 kg            
200 kg   300 1000      
100 kg   160 500      
50 kg 25 75 250 63 125 250
30 kg       38 75 150
25 kg       31 62 125
20 kg 10 30 100 25 50 100
10 kg 5 15 50 13 25 50
5 kg 2.5 7.5 25 6 12 25
3 kg       3.8 7.5 15
2 kg 1.0 3.0 10 2.5 5.0 10
1 kg 0.5 1.5 5 1.3 2.5 5.0
500 g 0.25 0.75 2.5 0.6 1.2 2.5
300 g       0.38 0.75 1.5
200 g 0.1 0.3 1.0 0.25 0.5 1.0
100 g 0.05 0.15 0.5 0.13 0.25 0.5
50 g 0.03 0.1 0.3 0.06 0.12 0.25
30 g       0.037 0.074 0.15
20 g 0.025 0.08 0.25 0.037 0.074 0.1
10 g 0.02 0.06 0.2 0.025 0.05 0.074
5 g 0.015 0.05 0.15 0.017 0.034 0.054
3 g       0.017 0.034 0.054
2 g 0.012 0.04 0.12 0.017 0.034 0.054
1 g 0.01 0.03 0.1 0.017 0.034 0.054
500 mg 0.008 0.025 0.08 0.005 0.01 0.025
300 mg       0.005 0.01 0.025
200 mg 0.006 0.02 0.06 0.005 0.01 0.025
100 mg 0.005 0.015 0.05 0.005 0.01 0.025
50 mg 0.004 0.012 0.04 0.005 0.01 0.014
30 mg       0.005 0.01 0.014
20 mg 0.003 0.01 0.03 0.005 0.01 0.014
10 mg 0.002 0.008 0.025 0.005 0.01 0.014
5 mg 0.002 0.006 0.02 0.005 0.01 0.014
3 mg       0.005 0.01 0.014
2 mg 0.002 0.006 0.02 0.005 0.01 0.014
1 mg 0.002 0.006 0.02 0.005 0.01 0.014
0.5 mg            
0.3 mg            
0.2 mg            
0.1 mg            
0.05 mg            

* OIML - International Recommendation R111 replaces International Recommendation numbers 1, 2, 20, 52. OIML tolerances shown for weights 100kg and larger are proposed tolerances.

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