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20 g Range, Calibration Weight Set, ASTM Class 1
As of: Tuesday, July 28, 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 g ASTM Weight Set Contents
| 5-2-2-1 | 5-2-2-1 | 5-2-2-1 | 5-2-2-1 | 5-2-2-1 | |||||
| 20 g - 1 mg | 20 g - 1 mg | 20 g - 5 mg | 20 g - 5 mg | 20 g - 10 mg | 20 g - 10 mg | 20 g - 100 mg | 20 g - 100 mg | 20 g - 1 g | 20 g - 1 g |
|---|---|---|---|---|---|---|---|---|---|
| (1) 20 g | (1) 20 g | (1) 20 g | (1) 20 g | (1) 20 g | (1) 20 g | (1) 20 g | (1) 20 g | (1) 20 g | (1) 20 g |
| (1) 10 g | (1) 10 g | (1) 10 g | (1) 10 g | (1) 10 g | (1) 10 g | (1) 10 g | (1) 10 g | (1) 10 g | (1) 10 g |
| (1) 5 g | (1) 5 g | (1) 5 g | (1) 5 g | (1) 5 g | (1) 5 g | (1) 5 g | (1) 5 g | (1) 5 g | (1) 5 g |
| (1) 3 g | – | (1) 3 g | – | (1) 3 g | – | (1) 3 g | – | (1) 3 g | – |
| (1) 2 g | (2) 2 g | (1) 2 g | (2) 2 g | (1) 2 g | (2) 2 g | (1) 2 g | (2) 2 g | (1) 2 g | (2) 2 g |
| (1) 1 g | (1) 1 g | (1) 1 g | (1) 1 g | (1) 1 g | (1) 1 g | (1) 1 g | (1) 1 g | (1) 1 g | (1) 1 g |
| (1) 500 mg | (1) 500 mg | (1) 500 mg | (1) 500 mg | (1) 500 mg | (1) 500 mg | (1) 500 mg | (1) 500 mg | ||
| (1) 300 mg | – | (1) 300 mg | – | (1) 300 mg | – | (1) 300 mg | – | ||
| (1) 200 mg | (2) 200 mg | (1) 200 mg | (2) 200 mg | (1) 200 mg | (2) 200 mg | (1) 200 mg | (2) 200 mg | ||
| (1) 100 mg | (1) 100 mg | (1) 100 mg | (1) 100 mg | (1) 100 mg | (1) 100 mg | (1) 100 mg | (1) 100 mg | ||
| (1) 50 mg | (1) 50 mg | (1) 50 mg | (1) 50 mg | (1) 50 mg | (1) 50 mg | ||||
| (1) 30 mg | – | (1) 30 mg | – | (1) 30 mg | – | ||||
| (1) 20 mg | (2) 20 mg | (1) 20 mg | (2) 20 mg | (1) 20 mg | (2) 20 mg | ||||
| (1) 10 mg | (1) 10 mg | (1) 10 mg | (1) 10 mg | (1) 10 mg | (1) 10 mg | ||||
| (1) 5 mg | (1) 5 mg | (1) 5 mg | (1) 5 mg | ||||||
| (1) 3 mg | – | ||||||||
| (1) 2 mg | (2) 2 mg | ||||||||
| (1) 1 mg | (1) 1 mg | ||||||||
| Piece Count and Total Weight | |||||||||
| 18 pcs. | 18 pcs. | 15 pcs. | 15 pcs. | 14 pcs. | 14 pcs. | 10 pcs. | 10 pcs. | 6 pcs. | 6 pcs. |
| 42.221 g set wt. | 42.221 g set wt. | 42.215 g set wt. | 42.215 g set wt. | 42.421 g set wt. | 41.1 g set wt. | 41 g set wt. | 41 g set wt. | 41 g set wt. | 40 g set wt. |
| Part # | Description | List Price |
|---|---|---|
| 12448 | Class 1 SST Polished (5321) | List Price: $1,320.00 |
| 11908 | Class 1 SST Polished (5221) | List Price: $1,320.00 |
| 12450 | Class 1 SST Polished (5321) | List Price: $1,133.00 |
| 11907 | Class 1 SST Polished (5221) | List Price: $1,133.00 |
| 12451 | Class 1 SST Polished (5321) | List Price: $1,089.00 |
| 11906 | Class 1 SST Polished (5221) | List Price: $1,089.00 |
| 84145 | Class 1 SST Polished (5321) | List Price: $919.00 |
| 11905 | Class 1 SST Polished (5221) | List Price: $919.00 |
| 12452 | Class 1 SST Polished (5321) | List Price: $765.00 |
| 11904 | Class 1 SST Polished (5221) | List Price: $765.00 |
Replacement Cases
| Part # | Description | List Price |
|---|---|---|
| 11596 | Precision Laboratory SST Weight Set (5321) | List Price: $210.00 |
| 11588 | Precision Laboratory SST Weight Set | List Price: $210.00 |
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 |
www.ricelake.com | 800-472-6703
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