| เครื่องวัดกระแสน้ำ | No | 12634 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | 55 | lbs | ||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | V "ARK" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 0.61 | v = | 0.2300n | +0.022 | m/s |
| dia | 100 mm | if n | > | 0.61 | v = | 0.2464n | +0.012 | m/s | ||
| < | 3.33 | v = | 0.2464n | +0.012 | m/s | |||||
| if n | > | 3.33 | v = | 0.2500n | m/s | |||||