| เครื่องวัดกระแสน้ำ | No | 16776 | |||||||||
| เครื่องวัดกระแสน้ำ | by | rod | |||||||||
| ยี่ห้อ | |||||||||||
| Model | "S C M" 10.152 | ||||||||||
| Test certificate by | A-OTT | ||||||||||
| 1 | Propeller | No | 1 - 17904 | if n | < | 6.67 | v = | 0.0561n | +0.037 | m/s | |
| dia | 50 mm | if n | > | 6.67 | v = | 0.0543n | +0.049 | m/s | |||
| 2 | Propeller | No | 2 - 17894 | if n | < | 1.38 | v = | 0.0914n | +0.036 | m/s | |
| dia | 50 mm | if n | > | 1.38 | v = | 0.1030n | +0.020 | m/s | |||
| 3 | Propeller | No | 3 - 17253 | if n | < | 1.30 | v = | 0.2287n | +0.038 | m/s | |
| dia | 50 mm | if n | > | 1.30 | v = | 0.2540n | +0.005 | m/s | |||
| 4 | Propeller | No | 6 - 18180 | if n | < | 2.57 | v = | 0.0922n | +0.063 | m/s | |
| dia | 30 mm | if n | > | 2.57 | v = | 0.1035n | +0.034 | m/s | |||