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20 kg and 25 kg Range, Calibration Weight Set, ASTM Class 4
As of: Wednesday, July 8, 2026
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 |
| Part # | Description | List Price |
|---|---|---|
| 12382 | Class 4 SST Polished | Consult |
| 12232 | Class 4 SST Polished (5321) | Consult |
| 46011 | ASTM Class 4 SST Polished (5321) | Consult |
| 12235 | Class 4 SST Polished (5321) | Consult |
| 12384 | Class 4 SST Polished (5221) | Consult |
| 46015 | Class 4 SST Polished (5321) | Consult |
| 46019 | Class 4 SST Polished (5321) | Consult |
Accessories
| Part # | Description | List Price |
|---|---|---|
| 36092 | Accuracy | List Price: $60.00 |
| 11714 | List Price: $8.00 | |
| 11711 | Delrin | List Price: $6.00 |
| 152414 | 130 mm, Tips made of nylon. | List Price: $50.00 |
| 25836 | List Price: $25.00 | |
| 11755 | List Price: $50.00 | |
| 50035 | Plastic, 200g to 500g | List Price: $50.00 |
| 11747 | Handle Plexiglass, 200 g to 3 kg | List Price: $24.00 |
| 11712 | SST, 5 kg and larger nominal value | List Price: $85.00 |
| 50000 | Surgical Tubing On Ends | List Price: $86.00 |
| 50037 | OIML Acrylic | List Price: $63.00 |
Replacement Cases
| Part # | Description | List Price |
|---|---|---|
| 11578 | Precision Laboratory SST Weight Set | List Price: $2,464.00 |
| 11608 | Precision Laboratory SST Weight Set | List Price: $2,464.00 |
| 11579 | Precision Laboratory SST Weight Set | List Price: $2,409.00 |
Secondary Cases
| Part # | Description | List Price |
|---|---|---|
| 11588 | Precision Laboratory SST Weight Set | List Price: $210.00 |
| 11596 | Precision Laboratory SST Weight Set (5321) | List Price: $210.00 |
| 46380 | Wood Case (PVC) 6.12x3.38 | List Price: $143.00 |
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