| เครื่องวัดกระแสน้ำ | No | 90343 | ||||||||
| เครื่องวัดกระแสน้ำ | By | rod | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | C 2 "10.150" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 2.00 | v = | 0.0612n | +0.013 | m/s |
| dia | 0.05m | if n | > | 2.00 | v = | 0.0577n | +0.020 | m/s | ||
| n | < | 6.49 | v = | 0.0577n | +0.020 | m/s | ||||
| if n | > | 6.49 | v = | 0.0540n | +0.044 | m/s | ||||
| 2 | Propeller | No | 2 | if n | < | 5.22 | v = | 0.1028n | +0.011 | m/s |
| dia | if n | > | 5.22 | v = | 0.1005n | +0.023 | m/s | |||
| 3 | Propeller | No | 3 | if n | < | 0.63 | v = | 0.2284n | +0.021 | m/s |
| dia | if n | > | 0.63 | v = | 0.2505n | +0.007 | m/s | |||