| เครื่องวัดกระแสน้ำ | No | 16781 | |||||||||
| เครื่องวัดกระแสน้ำ | by | rod | |||||||||
| ยี่ห้อ | |||||||||||
| Model | "S C M" 10.152 | ||||||||||
| Test certificate by | A-OTT | ||||||||||
| 1 | Propeller | No | 1 - 17905 | if n | < | 6.25 | v = | 0.0559n | +0.033 | m/s | |
| dia | 50 mm | if n | > | 6.25 | v = | 0.0543n | +0.043 | m/s | |||
| 2 | Propeller | No | 2 - 17899 | if n | < | 1.16 | v = | 0.0914n | +0.034 | m/s | |
| dia | 50 mm | if n | > | 1.16 | v = | 0.1035n | +0.020 | m/s | |||
| 3 | Propeller | No | 3 - 17258 | if n | < | 1.13 | v = | 0.2314n | +0.030 | m/s | |
| dia | 50 mm | if n | > | 1.13 | v = | 0.2545n | +0.004 | m/s | |||
| 4 | Propeller | No | 6 - 18185 | if n | < | 2.53 | v = | 0.0946n | +0.053 | m/s | |
| dia | 30 mm | if n | > | 2.53 | v = | 0.1033n | +0.031 | m/s | |||