| เครื่องวัดกระแสน้ำ | No | 99791 | ||||||||
| เครื่องวัดกระแสน้ำ | By | cable way | lbs | |||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | C 31 "10.001" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 - 98243 | if n | < | 0.73 | v = | 0.2410n | +0.010 | m/s |
| 125 mm | if n | > | 0.73 | v = | 0.2575n | +0.002 | m/s | |||
| n | < | 5.36 | v = | 0.2575n | +0.002 | m/s | ||||
| if n | > | 5.36 | v = | 0.2603n | +0.017 | m/s | ||||
| เครื่องวัดกระแสน้ำ | By | rod | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | C 31 "10.001" | |||||||||
| Test certificate by | A-OTT | |||||||||
| 1 | Propeller | No | 1 - 98243 | if n | < | 1.24 | v = | 0.2505n | +0.008 | m/s |
| 125 mm | if n | > | 8.38 | v = | 0.2618n | +0.006 | m/s | |||
| n | > | 8.38 | v = | 0.2513n | +0.082 | m/s | ||||