| เครื่องวัดกระแสน้ำ | No | 90346 | ||||||||
| เครื่องวัดกระแสน้ำ | By | rod | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | C 2 "10.150" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 - 88248 | if n | < | 2.38 | v = | 0.0615n | +0.012 | m/s |
| 0.05 m | if n | > | 2.38 | v = | 0.0594n | +0.017 | m/s | |||
| n | < | 6.14 | v = | 0.0594n | +0.017 | m/s | ||||
| if n | > | 6.14 | v = | 0.0537n | +0.052 | m/s | ||||
| 2 | Propeller | No | 2 - 89105 | if n | < | 5.33 | v = | 0.1025n | +0.010 | m/s |
| 0.10 m | if n | > | 5.33 | v = | 0.1010n | +0.018 | m/s | |||
| 3 | Propeller | No | 3 - 88950 | if n | < | 0.49 | v = | 0.2256n | +0.013 | m/s |
| 0.25 m | if n | > | 0.49 | v = | 0.2500n | +0.006 | m/s | |||