เครื่องวัดกระแสน้ำ | No | 600131 | ||||||||||
เครื่องวัดกระแสน้ำ | By | Cable way | lbs | |||||||||
ยี่ห้อ | SIAP | |||||||||||
Model | ||||||||||||
Test certificate by | SIAP | |||||||||||
1 | Propeller | No | 1 | if n | > | 0.69 | v = | 0.2470n | +0.008 | m/s | ||
n | < | 3.077 | v = | 0.2470n | +0.008 | m/s | ||||||
if n | > | 3.077 | v = | 0.2431n | +0.020 | m/s | ||||||
n | < | 14.810 | v = | 0.2431n | +0.020 | m/s | ||||||
2 | Propeller | No | 2 | if n | > | 0.33 | v = | 0.5141n | +0.004 | m/s | ||
n | < | 2.985 | v = | 0.5141n | +0.004 | m/s | ||||||
if n | > | 2.985 | v = | 0.5007n | +0.044 | m/s | ||||||
n | < | 7.260 | v = | 0.5007n | +0.044 | m/s | ||||||