Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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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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Precision Test Weights with Calibration Certificate
30 g to 500 g
1,000 g to 5 kg
Often used to calibrate precision scales, these highly accurate 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.
| Wt. | Tolerance | Dia. | Ht. | Material | Class | Specifications Met | Includes | Each | |
| 30 g | -0.00007 g to 0.00007 g | 3/4" | 5/8" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 0000000 |
| 40 g | -0.00007 g to 0.00007 g | 3/4" | 13/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 50 g | -0.0001 g to 0.0001 g | 3/4" | 1" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 100 g | -0.00025 g to 0.00025 g | 1" | 1 1/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 150 g | -0.00038 g to 0.00038 g | 1 1/8" | 1 3/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 200 g | -0.0005 g to 0.0005 g | 1 3/16" | 1 9/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 300 g | -0.00075 g to 0.00075 g | 1 1/2" | 1 1/2" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 400 g | -0.00098 g to 0.00098 g | 1 1/2" | 1 7/8" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 500 g | -0.0012 g to 0.0012 g | 1 1/2" | 2 5/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 1,000 g | -0.0025 g to 0.0025 g | 2" | 2 9/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 2 kg | -0.00001 kg to 0.00001 kg | 2 1/2" | 3 5/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 4 kg | -0.00098 kg to 0.00098 kg | 3" | 4 9/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 5 kg | -0.00001 kg to 0.00001 kg | 3 1/4" | 4 7/8" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
Precision Test Weight Sets with Calibration Certificate
9-Piece Set
17-Piece Set
21-Piece Set
These highly accurate test weight sets for calibrating precision scales come with a certificate of calibration traceable to NIST 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 | |
| 9 | Test Weights (1 each): 1 g, 5 g, 10 g, 50 g, 100 g Test Weights (2 each): 2 g, 20 g Plastic Case | 304 Stainless Steel, 316 Stainless Steel | 1 | ASTM E617 Class 1 | 0000000 | 000000000 |
| 17 | Test Weights (1 each): 10 mg, 50 mg, 100 mg, 500 mg, 1 g, 5 g, 10 g, 50 g, 100 g Test Weights (2 each): 20 mg, 200 mg, 2 g, 20 g Plastic Case | 304 Stainless Steel, 316 Stainless Steel | 1 | ASTM E617 Class 1 | 0000000 | 00000000 |
| 21 | Test Weights (1 each): 1 mg, 5 mg, 10 mg, 50 mg, 100 mg, 500 mg, 1 g, 5 g, 10 g, 50 g, 100 g Test Weights (2 each): 2 mg, 20 mg, 200 mg, 2 g, 20 g Plastic Case | 304 Stainless Steel, 316 Stainless Steel, Aluminum | 1 | ASTM E617 Class 1 | 0000000 | 00000000 |
Precision Test Weight Sets
9-Piece Set
17-Piece Set
21-Piece Set
Use these highly accurate test weight sets to calibrate precision scales. Each test weight is marked with its weight.
| Number of Pieces | Includes | Material | Class | Specifications Met | Each | |
| 9 | Test Weights (1 each): 1 g, 5 g, 10 g, 50 g, 100 g Test Weights (2 each): 2 g, 20 g Plastic Case | 304 Stainless Steel, 316 Stainless Steel | 1 | ASTM E617 Class 1 | 0000000 | 0000000 |
| 17 | Test Weights (1 each): 10 mg, 50 mg, 100 mg, 500 mg, 1 g, 5 g, 10 g, 50 g, 100 g Test Weights (2 each): 20 mg, 200 mg, 2 g, 20 g Plastic Case | 304 Stainless Steel, 316 Stainless Steel | 1 | ASTM E617 Class 1 | 0000000 | 00000000 |
| 21 | Test Weights (1 each): 1 mg, 5 mg, 10 mg, 50 mg, 100 mg, 500 mg, 1 g, 5 g, 10 g, 50 g, 100 g Test Weights (2 each): 2 mg, 20 mg, 200 mg, 2 g, 20 g Plastic Case | 304 Stainless Steel, 316 Stainless Steel, Aluminum | 1 | ASTM E617 Class 1 | 0000000 | 00000000 |
Precision Test Weights
30 g to 500 g
1,000 g to 5 kg
Our most accurate test weights, these are often used to calibrate precision scales. 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 | Includes | Each | |
| 30 g | -0.00007 g to 0.00007 g | 3/4" | 5/8" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 0000000 |
| 40 g | -0.00007 g to 0.00007 g | 3/4" | 13/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 50 g | -0.0001 g to 0.0001 g | 3/4" | 1" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 100 g | -0.00025 g to 0.00025 g | 1" | 1 1/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 150 g | -0.00038 g to 0.00038 g | 1 1/8" | 1 3/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 200 g | -0.0005 g to 0.0005 g | 1 3/16" | 1 9/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 300 g | -0.00075 g to 0.00075 g | 1 1/2" | 1 1/2" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 400 g | -0.00098 g to 0.00098 g | 1 1/2" | 1 7/8" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 500 g | -0.0012 g to 0.0012 g | 1 1/2" | 2 5/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 1,000 g | -0.0025 g to 0.0025 g | 2" | 2 9/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 2 kg | -0.00001 kg to 0.00001 kg | 2 1/2" | 3 5/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 4 kg | -0.00098 kg to 0.00098 kg | 3" | 4 9/16" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |
| 5 kg | -0.00001 kg to 0.00001 kg | 3 1/4" | 4 7/8" | Stainless Steel | 1 | ASTM E617 Class 1 | Glove; Plastic Case | 00000000 | 000000 |