Weight Weight |
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Material Material |
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Diameter Diameter |
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Height Height |
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Specifications Met Specifications Met |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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 | 00000 |
| 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 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 |
Hanging Test Weights with Calibration Certificate
The included certificate of calibration traceable to NIST states that these test weights have 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 | |
| 1 kg | -0.0001 kg to 0.0001 kg | 2" | 5 3/8" | Stainless Steel | 6 | ASTM Class 6 Tolerances | 0000000 | 0000000 |
| 2 kg | -0.0002 kg to 0.0002 kg | 2 5/8" | 5 9/16" | Stainless Steel | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 5 kg | -0.0005 kg to 0.0005 kg | 3 3/4" | 6 3/8" | Stainless Steel | 6 | ASTM Class 6 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 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
| 100 g | -0.02 g to 0.02 g | 1" | 2 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 200 g | -0.04 g to 0.04 g | 1 1/4" | 2 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 500 g | -0.07 g to 0.07 g | 1 3/4" | 3 1/8" | 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 1/4" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 0000000 |
| 100 g | -0.02 g to 0.02 g | 1" | 2 3/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 200 g | -0.04 g to 0.04 g | 1 1/4" | 2 11/16" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
| 500 g | -0.07 g to 0.07 g | 1 3/4" | 3 1/8" | Stainless Steel | 5 | ASTM Class 5 Tolerances | 0000000 | 000000 |
Legal-for-Trade Grip-Handle Test Weights
Designed for calibrating legal-for-trade scales, these weights have a handle for easy carrying. All are marked with their weight.
| Wt. | Tolerance | Lg. | Wd. | Ht. | Material | Class | Specifications Met | Each | |
| 10 kg | -0.001 kg to 0.001 kg | 4 1/2" | 6" | 5" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 0000000 |
| 20 kg | -0.002 kg to 0.002 kg | 5 5/8" | 7 5/8" | 5 15/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 25 kg | -0.0025 kg to 0.0025 kg | 5 1/2" | 7 11/16" | 7 1/8" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 20 lbs. | -0.002 lbs. to 0.002 lbs. | 4 1/2" | 5 3/4" | 5 1/8" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 25 lbs. | -0.002 lbs. to 0.002 lbs. | 4 1/2" | 6 1/2" | 4 15/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 50 lbs. | -0.005 lbs. to 0.005 lbs. | 5 1/2" | 7 15/16" | 6 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 100 lbs. | -0.01 lbs. to 0.01 lbs. | 7" | 9 1/8" | 7 7/8" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 500 lbs. | -0.05 lbs. to 0.05 lbs. | 12" | 11 1/2" | 15 3/4" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000000 |
Legal-for-Trade Grip-Handle Test Weights with Calibration Certificate
To confirm accurate calibration of legal-for-trade scales, these test weights come with a certificate of calibration traceable to ASTM that states they’ve passed a test for accuracy. They have a handle for easy carrying and are used to calibrate legal-for-trade scales. All are marked with their weight.
| Wt. | Tolerance | Lg. | Wd. | Ht. | Material | Class | Specifications Met | Each | |
| 10 kg | -0.001 kg to 0.001 kg | 4 1/2" | 6" | 5" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 0000000 |
| 20 kg | -0.002 kg to 0.002 kg | 5 5/8" | 7 5/8" | 5 15/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 25 kg | -0.0025 kg to 0.0025 kg | 5 1/2" | 7 11/16" | 7 1/8" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 20 lbs. | -0.002 lbs. to 0.002 lbs. | 4 1/2" | 5 3/4" | 5 1/8" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 25 lbs. | -0.002 lbs. to 0.002 lbs. | 4 1/2" | 6 1/2" | 4 15/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 50 lbs. | -0.005 lbs. to 0.005 lbs. | 5 1/2" | 7 15/16" | 6 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 100 lbs. | -0.01 lbs. to 0.01 lbs. | 7" | 9 1/8" | 7 7/8" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 500 lbs. | -0.05 lbs. to 0.05 lbs. | 12" | 11 1/2" | 15 3/4" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000000 |