| เครื่องวัดกระแสน้ำ | No | 16778 | |||||||||
| เครื่องวัดกระแสน้ำ | by | rod | |||||||||
| ยี่ห้อ | A-OTT | ||||||||||
| Model | "S C M" 10.152 | ||||||||||
| Test certificate by | A-OTT | ||||||||||
| 1 | Propeller | No | 1 - 17906 | if n | < | 6.84 | v = | 0.0561n | +0.033 | m/s | |
| dia | 50 mm | if n | > | 6.84 | v = | 0.0542n | +0.046 | m/s | |||
| 2 | Propeller | No | 2 - 17896 | if n | < | 1.17 | v = | 0.0922n | +0.032 | m/s | |
| dia | 50 mm | if n | > | 1.17 | v = | 0.1025n | +0.020 | m/s | |||
| 3 | Propeller | No | 3 - 17255 | if n | < | 1.41 | v = | 0.2334n | +0.033 | m/s | |
| dia | 50 mm | if n | > | 1.41 | v = | 0.2540n | +0.004 | m/s | |||
| 4 | Propeller | No | 6 - 18182 | if n | < | 2.42 | v = | 0.0911n | +0.062 | m/s | |
| dia | 30 mm | if n | > | 2.42 | v = | 0.1035n | +0.032 | m/s | |||