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เครื่องวัดกระแสน้ำ |
No |
104878 |
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เครื่องวัดกระแสน้ำ |
By |
cable way |
|
lbs |
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ยี่ห้อ |
|
A-OTT |
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Model |
|
C 31 "10.001" |
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Test certificate by |
A-OTT |
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1 |
Propeller |
No |
1 - 105067 |
if
n |
< |
1.09 |
v = |
0.2515n |
+0.014 |
m/s |
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|
0.250 m |
|
if
n |
> |
1.09 |
v = |
0.2561n |
+0.009 |
m/s |
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2 |
Propeller |
No |
4 - 104632 |
if
n |
< |
18.81 |
v = |
0.1327n |
+0.024 |
m/s |
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0.125 m |
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เครื่องวัดกระแสน้ำ |
By |
rod |
|
|
|
|
|
ยี่ห้อ |
|
A-OTT |
|
|
Model |
|
C 31 "10.001" |
|
|
|
Test certificate by |
A-OTT |
|
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|
1 |
Propeller |
No |
1 - 105067 |
if
n |
< |
1.52 |
v = |
0.2539n |
+0.010 |
m/s |
|
|
|
|
|
|
|
|
|
|
0.250 m |
|
if
n |
> |
1.52 |
v = |
0.2572n |
+0.005 |
m/s |
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|
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2 |
Propeller |
No |
4 - 104632 |
if
n |
< |
18.78 |
v = |
0.1331n |
+0.022 |
m/s |
|
|
|
|
|
|
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|
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|
0.125 m |
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