| เครื่องวัดกระแสน้ำ | No | 12167 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | lbs | |||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | V "ARK" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 0.64 | v = | 0.2130n | +0.038 | m/s |
| dia | 100 mm | if n | > | 0.64 | v = | 0.2458n | +0.017 | m/s | ||
| < | 2.88 | v = | 0.2458n | +0.017 | m/s | |||||
| if n | > | 2.88 | v = | 0.2510n | +0.002 | m/s | ||||