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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 | |
3 kg | -0.0003 kg to 0.0003 kg | 2 11/16" | 4 1/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
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 | |
3 kg | -0.0003 kg to 0.0003 kg | 2 11/16" | 4 1/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |