| เครื่องวัดกระแสน้ำ | No | 8255 | ||||||||
| เครื่องวัดกระแสน้ำ | by rod | |||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | DOSSDAGE | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 0.58 | v = | 0.2305n | +0.026 | m/s |
| if n | > | 0.58 | v = | 0.2565n | +0.011 | m/s | ||||
| 2 | Propeller | No | 2 | if n | < | 0.56 | v = | 0.4713n | +0.030 | m/s |
| if n | > | 0.56 | v = | 0.5175n | +0.004 | m/s | ||||