Reference Calibration Weights and Mass Standards Adjusted to Troemner UltraClass Tolerances
ASTM Individual Reference Calibration Weights
| ASTM Class | UltraClass; Troemner UltraClass |
| Internal Calibration Certificate | Traceable Certificate |
| Construction | Two-piece |
| Density at 20°C | 7.85 g/cm3 |
| Design | Grip Handle |
| Protective Case | Not Included |
| Weight Material | 303 Stainless Steel |
| Weight Tolerance | 25 mg |
| Weight Value | 20 kg |
| Wgt Origin (USA) | USA |