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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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Interlocking Test Weights
Stack multiple grooved weights together to calibrate your scales. Weights are marked with their weight.
Optional hangers (sold separately) let you test and calibrate hanging scales.
For technical drawings and 3-D models, click on a part number.
Weights
Shown with Optional Hanger
| Wt. | Tolerance | Dia. | Ht. | Slot Width | Material | Class | Specifications Met | Each | |
| 1/2 lbs. | -0.0001 lbs. to 0.0001 lbs. | 3 3/4" | 5/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 1 lbs. | -0.00015 lbs. to 0.00015 lbs. | 5" | 5/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000 |
| 2 lbs. | -0.0002 lbs. to 0.0002 lbs. | 5" | 9/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000 |
| 5 lbs. | -0.0005 lbs. to 0.0005 lbs. | 5" | 1 1/8" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000 |
| 10 lbs. | -0.001 lbs. to 0.001 lbs. | 6" | 1 1/2" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 20 lbs. | -0.002 lbs. to 0.002 lbs. | 8" | 1 7/8" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 50 lbs. | -0.005 lbs. to 0.005 lbs. | 10 1/4" | 2 3/4" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 500 g | -0.05 g to 0.05 g | 5" | 5/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000 |
| 1 kg | -0.0001 kg to 0.0001 kg | 5" | 9/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000 |
| 2 kg | -0.0002 kg to 0.0002 kg | 5" | 1" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 00000 |
| 5 kg | -0.0005 kg to 0.0005 kg | 6" | 1 11/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 10 kg | -0.001 kg to 0.001 kg | 8" | 1 15/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 20 kg | -0.002 kg to 0.002 kg | 10 1/4" | 2 3/8" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
Interlocking Test Weights with Calibration Certificate
These test weights come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy. Stack multiple weights together to calibrate your scales. Weights are marked with their weight.
For technical drawings and 3-D models, click on a part number.
Shown with Optional Hanger
| Wt. | Tolerance | Dia. | Ht. | Slot Width | Material | Class | Specifications Met | Each | |
| 1/2 lbs. | -0.0001 lbs. to 0.0001 lbs. | 3 3/4" | 5/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 0000000 |
| 1 lbs. | -0.00015 lbs. to 0.00015 lbs. | 5" | 5/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 2 lbs. | -0.0002 lbs. to 0.0002 lbs. | 5" | 9/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 5 lbs. | -0.0005 lbs. to 0.0005 lbs. | 5" | 1 1/8" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 10 lbs. | -0.001 lbs. to 0.001 lbs. | 6" | 1 1/2" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 20 lbs. | -0.002 lbs. to 0.002 lbs. | 8" | 1 7/8" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 50 lbs. | -0.005 lbs. to 0.005 lbs. | 10 1/4" | 2 3/4" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 500 g | -0.05 g to 0.05 g | 5" | 5/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 1 kg | -0.0001 kg to 0.0001 kg | 5" | 9/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 2 kg | -0.0002 kg to 0.0002 kg | 5" | 1" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 5 kg | -0.0005 kg to 0.0005 kg | 6" | 1 11/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 10 kg | -0.001 kg to 0.001 kg | 8" | 1 15/16" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
| 20 kg | -0.002 kg to 0.002 kg | 10 1/4" | 2 3/8" | 9/16" | Cast Iron | 6 | ASTM Class 6 Tolerances | 0000000 | 000000 |
Counterbalance Weights for Beam Scales
Add these stackable weights to the end of a beam scale to increase its total capacity. They’re also known as counterpoise weights. All are marked with their weight.
Optional hangers (sold separately) let you hang weights on beam scales.
Weights
Shown with Optional Hanger
| Wt. | Increased Capacity | Tolerance | Dia. | Ht. | Slot Wd. | Material | Class | Specifications Met | Each | |
| 0.5 lbs. | 50 lbs. | -0.01 lbs. to 0.01 lbs. | 2 7/8" | 9/16" | 1/2" | Cast Iron | 7 | ASTM Class 7 Tolerances | 0000000 | 000000 |
| 0.5 lbs. | 100 lbs. | -0.01 lbs. to 0.01 lbs. | 2 7/8" | 9/16" | 1/2" | Cast Iron | 7 | ASTM Class 7 Tolerances | 0000000 | 00000 |
| 1 lbs. | 100 lbs. | -0.01 lbs. to 0.01 lbs. | 4 1/16" | 5/8" | 1/2" | Cast Iron | 7 | ASTM Class 7 Tolerances | 0000000 | 00000 |
| 1 lbs. | 200 lbs. | -0.02 lbs. to 0.02 lbs. | 3 17/32" | 1/2" | 1/2" | Cast Iron | 7 | ASTM Class 7 Tolerances | 0000000 | 00000 |
| 2 lbs. | 200 lbs. | -0.02 lbs. to 0.02 lbs. | 4 1/16" | 15/16" | 1/2" | Cast Iron | 7 | ASTM Class 7 Tolerances | 0000000 | 00000 |
| 5 lbs. | 500 lbs. | -0.1 lbs. to 0.1 lbs. | 3 3/4" | 2 3/16" | 1/2" | Cast Iron | 7 | ASTM Class 7 Tolerances | 0000000 | 00000 |
Optional Hanger
| Wt. | Capacity | Dia. | Ht. | Each | |
| 7 oz. | 50 lbs. | 4" | 5 1/8" | 0000000 | 000000 |