Peiriant Selio
| Paramedrau Technegol | Metrigau Manteisiol |
| Cywirdeb Lleoli | ≤±0.5mm |
| Ystod Manwl Dimensiwn Selio | 0.05mm |
| Ystod Addasadwy Uchder Selio | ±0.5mm |
| Ystod Addasadwy Uchder Gwddf Selio | ±0.5mm |
| Ystod Addasadwy Diamedr Allanol Selio | ±0.5mm |
| Crynodedd Batri a Mowld | ±0.01mm |
| Tyndra Aer Ôl-Selio | ≥1.5MPa |

