Velum Vibratorium Altae Frequentiae
| Area examinanda (m²)2) | Capacitas (T/D) | Consistentia pulpae | Potentia (kW) | ||
| tabula foraminis | foramen velamen | tabula foraminis | foramen velamen | ||
| 0.9 | 3.5-7.5 | 7.5-25 | 0.5-0.8 | 1.0-1.5 | 2.2 |
| 1.8 | VII-XV | 12-50 | 3 | ||
| 3 | XI-XXV | XXV-LXXV | 4 | ||














