| เครื่องวัดกระแสน้ำ | No | 8725 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | ARKANSAS | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 0.77 | v = | 0.2421n | +0.014 | m/s |
| n | > | 0.77 | v = | 0.2577n | +0.002 | m/s | ||||
| 2 | Propeller | No | 2 | if n | < | 0.80 | v = | 0.4970n | +0.014 | m/s |
| n | > | 0.80 | v = | 0.5145n | m/s | |||||