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20mg Certified Test Weight ASTM Class 6 (RPLC NIST Class F), 30390687
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Individual Scale Calibration Weights Adjusted to Meet or Exceed ASTM Class 5-7 Tolerances
Product Specifications
| Calibration Certificate | ISO/IEC 17025 Accredited Certificate | 
| ASTM Class | 6 | 
| Weight Value | 20 mg | 
| Design | Flat | 
| Weight Material | Aluminum; 3003-H14 Aluminum | 
| Protective Case | Not Included | 
| Dimensions (Height) | 0.318 cm (0.13 in) | 
| Construction | One-piece | 
| Density at 20°C | 2.70 g/cm3 | 
| Dimensions (Ø_Diameter) | 0.455 cm (0.18 in) | 
| Uncertainty | 0.04 mg | 
| Weight Tolerance | 0.26 mg | 
| Wgt Origin (USA) | USA | 
| Legacy Material Number | 1348W | 
Logistic Specifications
| Country of origin | US | 
| Customs tariff number | 8423909000 |