เครื่องวัดกระแสน้ำ | No | 90345 | ||||||||
เครื่องวัดกระแสน้ำ | By | rod | ||||||||
ยี่ห้อ | A-OTT | |||||||||
Model | C 2 "10.150" | |||||||||
Test certificate by | A-OTT | year1966 | ||||||||
1 | Propeller | No | 1 - 88245 | if n | < | 1.79 | v = | 0.0619n | +0.015 | m/s |
0.05 m | if n | > | 1.79 | v = | 0.0580n | +0.022 | m/s | |||
n | < | 6.50 | v = | 0.0580n | +0.022 | m/s | ||||
if n | > | 6.50 | v = | 0.0540n | +0.048 | m/s | ||||
2 | Propeller | No | 2 - 89104 | if n | < | 5.29 | v = | 0.1037n | +0.009 | m/s |
0.10 m | if n | > | 5.29 | v = | 0.1020n | +0.018 | m/s | |||
3 | Propeller | No | 3 - 88940 | if n | < | 0.83 | v = | 0.2450n | +0.009 | m/s |
0.25 m | if n | > | 0.83 | v = | 0.2510n | +0.004 | m/s | |||