Legal-for-Trade Test Weights with Calibration Certificate
To ensure accurate calibration of legal-for-trade scales, these test weights come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy. They are marked with their weight.
For technical drawings and 3-D models, click on a part number.
| Wt. | Tolerance | Dia. | Ht. | Material | Class | Specifications Met | Each | |
| 1/2 oz. | -0.00009 oz. to 0.00009 oz. | 1/2" | 9/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
| 1 oz. | -0.00019 oz. to 0.00019 oz. | 5/8" | 13/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 4 oz. | -0.00081 oz. to 0.00081 oz. | 1" | 1 3/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 8 oz. | -0.00158 oz. to 0.00158 oz. | 1 1/4" | 1 9/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 12 oz. | -0.00246 oz. to 0.00246 oz. | 1 3/8" | 2" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 1 lbs. | -0.00015 lbs. to 0.00015 lbs. | 1 1/2" | 2 3/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 2 lbs. | -0.0002 lbs. to 0.0002 lbs. | 1 7/8" | 2 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 3 lbs. | -0.0003 lbs. to 0.0003 lbs. | 2 1/4" | 2 13/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 5 lbs. | -0.0005 lbs. to 0.0005 lbs. | 2 1/2" | 3 3/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 10 lbs. | -0.00099 lbs. to 0.00099 lbs. | 3 1/4" | 4 7/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 1 g | -0.0009 g to 0.0009 g | 3/16" | 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 2 g | -0.0011 g to 0.0011 g | 1/4" | 5/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 5 g | -0.0015 g to 0.0015 g | 3/8" | 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 20 g | -0.004 g to 0.004 g | 9/16" | 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 50 g | -0.01 g to 0.01 g | 3/4" | 7/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 100 g | -0.02 g to 0.02 g | 1" | 1" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 200 g | -0.04 g to 0.04 g | 1 1/4" | 1 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 300 g | -0.06 g to 0.06 g | 1 3/8" | 1 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 400 g | -0.07 g to 0.07 g | 1 1/2" | 1 7/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 500 g | -0.07 g to 0.07 g | 1 1/2" | 2 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 1 kg | -0.0001 kg to 0.0001 kg | 2" | 2 5/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 2 kg | -0.0002 kg to 0.0002 kg | 2 1/2" | 3 5/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 3 kg | -0.0003 kg to 0.0003 kg | 2 11/16" | 4 1/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 5 kg | -0.0005 kg to 0.0005 kg | 3 3/16" | 4 7/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
Legal-for-Trade Test Weights
Calibrate legal-for-trade scales. These test weights are marked with their weight.
For technical drawings and 3-D models, click on a part number.
| Wt. | Tolerance | Dia. | Ht. | Material | Class | Specifications Met | Each | |
| 1/2 oz. | -0.00009 oz. to 0.00009 oz. | 1/2" | 9/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 1 oz. | -0.00019 oz. to 0.00019 oz. | 5/8" | 13/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 4 oz. | -0.00081 oz. to 0.00081 oz. | 1" | 1 3/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 8 oz. | -0.00158 oz. to 0.00158 oz. | 1 1/4" | 1 9/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 12 oz. | -0.00246 oz. to 0.00246 oz. | 1 3/8" | 2" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 1 lbs. | -0.00015 lbs. to 0.00015 lbs. | 1 1/2" | 2 3/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 2 lbs. | -0.0002 lbs. to 0.0002 lbs. | 1 7/8" | 2 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 3 lbs. | -0.0003 lbs. to 0.0003 lbs. | 2 1/4" | 2 13/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 5 lbs. | -0.0005 lbs. to 0.0005 lbs. | 2 1/2" | 3 3/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 10 lbs. | -0.00099 lbs. to 0.00099 lbs. | 3 1/4" | 4 7/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 1 g | -0.0009 g to 0.0009 g | 3/16" | 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 2 g | -0.0011 g to 0.0011 g | 1/4" | 5/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 5 g | -0.0015 g to 0.0015 g | 3/8" | 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 20 g | -0.004 g to 0.004 g | 9/16" | 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 50 g | -0.01 g to 0.01 g | 3/4" | 7/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 100 g | -0.02 g to 0.02 g | 1" | 1" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 200 g | -0.04 g to 0.04 g | 1 1/4" | 1 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 300 g | -0.06 g to 0.06 g | 1 3/8" | 1 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 400 g | -0.07 g to 0.07 g | 1 1/2" | 1 7/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 500 g | -0.07 g to 0.07 g | 1 1/2" | 2 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 00000 |
| 1 kg | -0.0001 kg to 0.0001 kg | 2" | 2 5/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 2 kg | -0.0002 kg to 0.0002 kg | 2 1/2" | 3 5/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 3 kg | -0.0003 kg to 0.0003 kg | 2 11/16" | 4 1/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 5 kg | -0.0005 kg to 0.0005 kg | 3 3/16" | 4 7/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
Legal-for-Trade Test Weight Sets with Calibration Certificate
11-Piece Set
12-Piece Set
13-Piece Set
20-Piece Set
Ensure reliable calibration of legal-for-trade scales—these test weight sets come with a certificate of calibration traceable to ASTM that states they’ve passed a test for accuracy. Each test weight is marked with its weight.
| Number of Pieces | Includes | Material | Class | Specifications Met | Each | |
| 11 | Test Weights (1 each): 0.001 lbs., 0.005 lbs., 0.01 lbs., 0.05 lbs., 0.1 lbs. Test Weights (2 each): 0.002 lbs., 0.02 lbs., 0.2 lbs. Jar Leather Case | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
| 12 | Test Weights (1 each): 1 g, 5 g, 10 g, 50 g, 100 g, 500 g Test Weights (2 each): 2 g, 20 g, 200 g Plastic Case | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 13 | Test Weights (1 each): 1 g, 5 g, 10 g, 50 g, 100 g, 500 g, 1,000 g Test Weights (2 each): 2 g, 20 g, 200 g Leather Case | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 20 | Test Weights (1 each): 1 mg, 5 mg, 10 mg, 50 mg, 100 mg, 500 mg, 1 g, 5 g, 10 g, 50 g Test Weights (2 each): 2 mg, 20 mg, 200 mg, 2 g, 20 g Tweezer Plastic Case | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
Legal-for-Trade Test Weight Sets
11-Piece Set
12-Piece Set
20-Piece Set
Calibrate legal-for-trade scales. Each test weight is marked with its weight.
| Number of Pieces | Includes | Material | Class | Specifications Met | Each | |
| 11 | Test Weights (1 each): 0.001 lbs., 0.005 lbs., 0.01 lbs., 0.05 lbs., 0.1 lbs. Test Weights (2 each): 0.002 lbs., 0.02 lbs., 0.2 lbs. Jar Leather Case | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
| 12 | Test Weights (1 each): 1 g, 5 g, 10 g, 50 g, 100 g, 500 g Test Weights (2 each): 2 g, 20 g, 200 g Plastic Case | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 20 | Test Weights (1 each): 1 mg, 5 mg, 10 mg, 50 mg, 100 mg, 500 mg, 1 g, 5 g, 10 g, 50 g Test Weights (2 each): 2 mg, 20 mg, 200 mg, 2 g, 20 g Tweezer Plastic Case | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
Legal-for-Trade Hanging Test Weights with Calibration Certificate
To ensure reliable calibration of legal-for-trade scales, these test weights come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy. The top hook lets you attach them to hanging scales, and the bottom hook lets you connect multiple weights in a series. The bottom hook can also retract into the weight for use with bench-top scales. Weights are marked with their weight.
For technical drawings and 3-D models, click on a part number.
| Wt. | Tolerance | Dia. | Ht. | Material | Class | Specifications Met | Each | |
| 50 g | -0.01 g to 0.01 g | 13/16" | 2 1/2" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
| 100 g | -0.02 g to 0.02 g | 1" | 3" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 200 g | -0.04 g to 0.04 g | 1 1/4" | 3 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 500 g | -0.07 g to 0.07 g | 1 3/4" | 4 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
Legal-for-Trade Hanging Test Weights
Designed for calibrating legal-for-trade scales, these weights have a top hook for attaching to hanging scales and a bottom hook for connecting multiple weights in a series. The bottom hook can also retract into the weight for use with bench-top scales. Weights are marked with their weight.
For technical drawings and 3-D models, click on a part number.
| Wt. | Tolerance | Dia. | Ht. | Material | Class | Specifications Met | Each | |
| 50 g | -0.01 g to 0.01 g | 13/16" | 2 1/2" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
| 100 g | -0.02 g to 0.02 g | 1" | 3" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 200 g | -0.04 g to 0.04 g | 1 1/4" | 3 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 500 g | -0.07 g to 0.07 g | 1 3/4" | 4 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |