Reference Calibration Weights and Mass Standards Adjusted to Troemner UltraClass Tolerances
ASTM Individual Reference Calibration Weights
| ASTM Class | UltraClass; Troemner UltraClass |
| Internal Calibration Certificate | No Certificate |
| Construction | Two-piece |
| Density at 20°C | 8.03 g/cm3 |
| Design | Cylindrical |
| Dimensions | 2.5 in x 2 in (6.35 cm x 5.08 cm) (HxØ) |
| Protective Case | Included |
| Weight Material | Troemner Alloy 8; Troemner Alloy 8. |
| Weight Tolerance | 0.25 mg |
| Weight Value | 200 g |
| Wgt Origin (USA) | USA |