| Device (Maker) | UVP-DUO (Met Flow) |
| Basic frequency | 4 MHz |
| Velocity resolution | 0.22 mm/s |
| Sampling interval | 525 ms |
| Channel numbers | 174 |
| Channel width | 0.91 mm |
| Repetitions | 128 |
| Sound speed | 1841 m/s at 35˚C |