20 kg and 25 kg Range, Calibration Weight Set, ASTM Class 0

As of: Friday, July 11, 2025
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Standard Features

  • Stainless steel polished finish
  • Designed to meet ASTM E617-23 specifications
  • ASTM Class 0 weight sets and individual weights are not individually marked with their weight value or individually serialized per ASTM E617-23
  • Nominal value marked on weights
  • Serial numbers applied to case (weights may be marked with symbol)
  • Density 7.95g/cm3

Applications:

  • Calibrating Class I and II balances
  • ASTM Class 4, 5 and 6 weights
  • Student laboratory use
  • Rough weighing operations
  • Tolerance testing
  • Verification checks

Custom Configuration:

  • Custom sets are available as build to order to meet your specific requirements
  • ASTM weight sets larger than 500 g or 1 lb include a hardwood case with velvet-lined pockets
  • Weight sets with the largest weight of 500 g include a precision-machined, polyvinyl crush-resistant case

20 and 25 kg ASTM Weight Set Contents

25 kg - 1 g* 20 kg - 1 mg 20 kg - 100 mg 20 kg - 1 g 20 kg - 1 g* 20 kg - 100 g 20 kg - 1 kg
1 - 25 kg 1 - 20 kg 1 - 20 kg 1 - 20 kg 1 - 20 kg 1 - 20 kg 1 - 20 kg
1 - 10 kg 1 - 10 kg 1 - 10 kg 1 - 10 kg 1 - 10 kg 1 - 10 kg 1 - 10 kg
1 - 5 kg 1 - 5 kg 1 - 5 kg 1 - 5 kg 1 - 5 kg 1 - 5 kg 1 - 5 kg
2 - 2 kg 1 - 3 kg 1 - 3 kg 1 - 3 kg 2 - 2 kg 1 - 3 kg 1 - 3 kg
1 - 1 kg 1 - 2 kg 1 - 2 kg 1 - 2 kg 1 - 1 kg 1 - 2 kg 1 - 2 kg
1 - 500 g 1 - 1 kg 1 - 1 kg 1 - 1 kg 1 - 500 g 1 - 1 kg 1 - 1 kg
2 - 200 g 1 - 500 g 1 - 500 g 1 - 500 g 2 - 200 g 1 - 500 g  
1 - 100 g 1 - 300 g 1 - 300 g 1 - 300 g 1 - 100 g 1 - 300 g  
1 - 50 g 1 - 200 g 1 - 200 g 1 - 200 g 1 - 50 g 1 - 200 g  
2 - 20 g 1 - 100 g 1 - 100 g 1 - 100 g 2 - 20 g 1 - 100 g  
1 - 10 g 1 - 50 g 1 - 50 g 1 - 50 g 1 - 10 g    
1 - 5 g 1 - 30 g 1 - 30 g 1 - 30 g 1 - 5 g    
2 - 2 g 1 - 20 g 1 - 20 g 1 - 20 g 2 - 2 g    
1 - 1 g 1 - 10 g 1 - 10 g 1 - 10 g 1 - 1 g    
  1 - 5 g 1 - 5 g 1 - 5 g      
  1 - 3 g 1 - 3 g 1 - 3 g      
  1 - 2 g 1 - 2 g 1 - 2 g      
  1 - 1 g 1 - 1 g 1 - 1 g      
  1 - 500 mg 1 - 500 mg        
  1 - 300 mg 1 - 300 mg        
  1 - 200 mg 1 - 200 mg        
  1 - 100 mg 1 - 100 mg        
  1 - 50 mg          
  1 - 30 mg          
  1 - 20 mg          
  1 - 10 mg          
  1 - 5 mg          
  1 - 3 mg          
  1 - 2 mg          
  1 - 1 mg          
Piece Count
18 30 22 18 18 10 6
Total Weight
46.11 kg 42.222221 kg 42.22 kg 42.22 kg 41.11 kg 42.1 kg 41 kg

Parts

Part # Description
45900 Weight Set,20kg-1mg ASTM Class 0 SST (5321), Calibration Certificate Included
45901 Weight Set,20kg-100mg ASTM Class 0 SST (5321), Calibraton Certification Included
45902 Weight Set,20kg-1g ASTM Class 0 SST (5321), Calibration Certificate Included
45903 Weight Set,20kg-100g ASTM Class 0 SST (5321)
45904 Weight Set,20kg-1kg ASTM Class 0 SST (5321), Calibraton Certificate Included

Options

Part # Description
Accessories
11714 Weight Glove,Cloth White
11711 Weight,Tweezers 3.54x.46 Delrin
152414 Tweezers,Curved Tip 130 mm, Tips made of nylon.
25836 Serial Number
11755 Cover,Leaf Weight
50035 Weight Forceps, 4-3/4 Plastic, 200g to 500g
11747 Weight,Lift 3/8x7/8x5.89 Handle Plexiglass, 200 g to 3 kg
11712 Weight,Lift Large Handle SST, 5 kg and larger nominal value
50000 Tong ASSY,24cmx7.5cm W/ Surgical Tubing On Ends
50037 Weight,Lift 2kg and 5kg OIML Acrylic
Replacement Cases
50670 Weight Case ASSY,20kg-1mg ASTM 0
Secondary Cases
11588 Case,PVC 100g-1mg Precision Laboratory SST Weight Set
49503 Case PVC, 100g-1mg 5321 ASTM Class 0
49489 Case Insert,100g OIML Style Wood Case

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