| เครื่องวัดกระแสน้ำ | No | 90375 | ||||||||
| เครื่องวัดกระแสน้ำ | By | rod | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | C 2 "10.150" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 - 90269 | if n | < | 2.07 | v = | 0.0601n | +0.017 | m/s |
| 0.05 m | if n | > | 2.07 | v = | 0.0572n | +0.023 | m/s | |||
| n | < | 6.14 | v = | 0.0572n | +0.023 | m/s | ||||
| if n | > | 6.14 | v = | 0.0528n | +0.050 | m/s | ||||
| 2 | Propeller | No | 2 - 90267 | if n | < | 6.67 | v = | 0.1033n | +0.013 | m/s |
| 0.10 m | if n | > | 6.67 | v = | 0.1027n | +0.017 | m/s | |||
| 3 | Propeller | No | 3 - 89289 | if n | < | 0.62 | v = | 0.2305n | +0.018 | m/s |
| dia | 0.25 m | if n | > | 0.62 | v = | 0.2530n | +0.004 | m/s | ||