| เครื่องวัดกระแสน้ำ | No | 8729 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | ARKANSAS | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 0.35 | v = | 0.4600n | +0.026 | m/s |
| n | > | 0.35 | v = | 0.5120n | +0.008 | m/s | ||||
| 2 | Propeller | No | 2 | if n | < | 1.08 | v = | 0.2435n | +0.015 | m/s |
| n | > | 1.08 | v = | 0.2555n | +0.002 | m/s | ||||