| เครื่องวัดกระแสน้ำ | No | 8726 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | ARKANSAS | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 1.40 | v = | 0.2483n | +0.015 | m/s |
| n | > | 1.40 | v = | 0.2590n | m/s | |||||
| 2 | Propeller | No | 2 | if n | < | 0.64 | v = | 0.4787n | +0.028 | m/s |
| n | > | 0.64 | v = | 0.5160n | +0.004 | m/s | ||||