| เครื่องวัดกระแสน้ำ | No | 8727 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | ARKANSAS | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 0.63 | v = | 0.2400n | +0.016 | m/s |
| n | > | 0.63 | v = | 0.2560n | +0.006 | m/s | ||||
| 2 | Propeller | No | 2 | if n | < | 1.67 | v = | 0.4993n | +0.017 | m/s |
| n | > | 1.67 | v = | 0.5155n | -0.010 | m/s | ||||