| เครื่องวัดกระแสน้ำ | No | 16780 | |||||||||
| เครื่องวัดกระแสน้ำ | by | rod | |||||||||
| ยี่ห้อ | |||||||||||
| Model | "S C M" 10.152 | ||||||||||
| Test certificate by | A-OTT | ||||||||||
| 1 | Propeller | No | 1 - 17908 | if n | < | 6.67 | v = | 0.0565n | +0.032 | m/s | |
| dia | 50 mm | if n | > | 6.67 | v = | 0.0547n | +0.044 | m/s | |||
| 2 | Propeller | No | 2 - 17898 | if n | < | 1.09 | v = | 0.0961n | +0.027 | m/s | |
| dia | 50 mm | if n | > | 1.09 | v = | 0.1025n | +0.020 | m/s | |||
| 3 | Propeller | No | 3 - 17257 | if n | < | 1.10 | v = | 0.2294n | +0.032 | m/s | |
| dia | 50 mm | if n | > | 1.10 | v = | 0.2540n | +0.005 | m/s | |||
| 4 | Propeller | No | 6 - 18183 | if n | < | 2.58 | v = | 0.0912n | +0.069 | m/s | |
| dia | 30 mm | if n | > | 2.58 | v = | 0.1040n | +0.036 | m/s | |||