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Relative standard and expanded measurement uncertainties (%) for modal particle size results
| Uncertainty component | NTA 2.3 | NTA 3.0 | ||||
|---|---|---|---|---|---|---|
| PSL-46 | PSL-100 | ERM-FD102 (size class B) | PSL-46 | PSL-100 | ERM-FD102 (size class B) | |
| Precision (u prec) | 5.3 | 3.8 | 3.7 | 3.3 | 3.6 | 3.1 |
| Trueness (u t) | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 |
| Expanded (U) | 13.2 | 11.2 | 11.0 | 10.3 | 10.8 | 10.2 |
