| เครื่องวัดกระแสน้ำ | No | 11123 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | 12 | KG | ||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | V "ARK" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | R | if n | < | 0.74 | v = | 0.2287n | +0.029 | m/s |
| dia | 100 mm | if n | > | 0.74 | v = | 0.2463n | +0.016 | m/s | ||
| n | < | 3.19 | v = | 0.2463n | +0.016 | m/s | ||||
| if n | > | 3.19 | v = | 0.2510n | +0.001 | m/s | ||||