20 kg and 25 kg Range, Calibration Weight Set, ASTM Class 3

As of: Wednesday, June 18, 2025
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Standard Features

  • Stainless steel polished finish
  • Designed to meet ASTM E617-23 specifications
  • 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
12279 Weight Set,25kg-1g ASTM Class 3 SST Polished
12086 Weight Set,20kg-1mg ASTM Class 3 SST Polished (5321)
46010 Weight Set,20kg-100mg ASTM Class 3 SST Polished (5321)
12089 Weight Set,20kg-1g ASTM Class 3 SST Polished (5321)
12281 Weight Set,20kg-1g ASTM Class 3 SST Polished (5221)
46014 Weight Set,20kg-100g ASTM Class 3 SST Polished (5321)
46018 Weight Set,20kg-1kg ASTM Class 3 SST Polished (5321)

Options

Part # Description
Accessories
36092 Form,Statement of Accuracy
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
11578 Weight Case,25kg-1g Precision Laboratory SST Weight Set
11608 Weight Case,20kg-1g Precision Laboratory SST Weight Set
11579 Weight Case,20kg-1g Precision Laboratory SST Weight Set
Secondary Cases
11588 Case,PVC 100g-1mg Precision Laboratory SST Weight Set
11596 Case, PVC 100g-1mg Precision Laboratory SST Weight Set (5321)
46380 Case Insert,100g Wood Case (PVC) 6.12x3.38

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