Fibrae certae longitudinis secantur et ad densitatem fibrarum metiendam adhibentur.
GB/T14335;GB/T14336;GB/T6100.
| Modellum Nomen | YYCLXXIA | YYCLXXIB | YYCLXXIC | YYCLXXID |
| Longitudo exempli (mm) | 10 | 20 | 25 | 50 |
| Efficax accuratio sectionis | ±1% | ±1% | ±1% | ±1% |
| Dimensiones (mm) ()L × L × A() | 230×100×90 | 230×100×90 | 230×100×90 | 230×100×90 |
| Pondus (kg) | 0.85 | 0.85 | 0.85 | 0.85 |