| เครื่องวัดกระแสน้ำ | No | 15878 | ||||||||
| เครื่องวัดกระแสน้ำ | by | rod | ||||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | C 1 | |||||||||
| Test certificate by | A-OTT | |||||||||
| 1 | Propeller | No | 1 | if n | < | 6.88 | v = | 0.0563n | +0.032 | m/s |
| dia | 50 mm | if n | > | 6.88 | v = | 0.0547n | +0.043 | m/s | ||
| 2 | Propeller | No | 2 | if n | < | 1.28 | v = | 0.0916n | +0.034 | m/s |
| dia | 50 mm | if n | > | 1.28 | v = | 0.1033n | +0.019 | m/s | ||
| 3 | Propeller | No | 3 | if n | < | 0.63 | v = | 0.2120n | +0.040 | m/s |
| dia | 50 mm | if n | > | 2.60 | v = | 0.2470n | +0.018 | m/s | ||
| if n | > | 2.60 | v = | 0.2520n | +0.005 | m/s | ||||
| 4 | Propeller | No | 2 - 3 | if n | < | 2.95 | v = | 0.0908n | +0.066 | m/s |
| dia | 30 mm | if n | > | 2.95 | v = | 0.1030n | +0.030 | m/s | ||