| เครื่องวัดกระแสน้ำ | No | 16777 | |||||||||
| เครื่องวัดกระแสน้ำ | by | rod | |||||||||
| ยี่ห้อ | |||||||||||
| Model | "S C M" 10.152 | ||||||||||
| Test certificate by | A-OTT | ||||||||||
| 1 | Propeller | No | 1 - 17905 | if n | < | 6.82 | v = | 0.0570n | +0.032 | m/s | |
| dia | 50 mm | if n | > | 6.82 | v = | 0.0548n | +0.047 | m/s | |||
| 2 | Propeller | No | 2 - 17895 | if n | < | 1.30 | v = | 0.0935n | +0.032 | m/s | |
| dia | 50 mm | if n | > | 1.30 | v = | 0.1035n | +0.019 | m/s | |||
| 3 | Propeller | No | 3 - 17254 | if n | < | 1.30 | v = | 0.2277n | +0.038 | m/s | |
| dia | 50 mm | if n | > | 1.30 | v = | 0.2530n | +0.005 | m/s | |||
| 4 | Propeller | No | 6 - 18181 | if n | < | 2.50 | v = | 0.0887n | +0.068 | m/s | |
| dia | 30 mm | if n | > | 2.50 | v = | 0.1035n | +0.031 | m/s | |||