|
|
|
เครื่องวัดกระแสน้ำ |
No |
15865 |
|
|
|
|
|
เครื่องวัดกระแสน้ำ |
|
|
|
by |
rod |
|
|
ยี่ห้อ |
|
A-OTT |
|
|
Model |
|
C 1 |
|
|
|
Test certificate by |
A-OTT |
|
|
1 |
Propeller |
No |
1 |
if
n |
< |
4.83 |
v = |
0.0576n |
+0.029 |
m/s |
|
|
|
|
|
|
|
if
n |
> |
4.83 |
v = |
0.0547n |
+0.043 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
2 |
Propeller |
No |
2 |
if n |
< |
1.17 |
v = |
0.0932n |
+0.033 |
m/s |
|
|
|
|
|
|
|
if
n |
> |
1.17 |
v = |
0.1035n |
+0.021 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
3 |
Propeller |
No |
3 |
if n |
< |
0.61 |
v = |
0.2170n |
+0.038 |
m/s |
|
|
|
|
|
|
|
if
n |
< |
0.61 |
v = |
0.2465n |
+0.020 |
m/s |
|
|
|
n |
= |
0.61 |
v = |
0.2465n |
+0.020 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
if
n |
> |
3.00 |
v = |
0.2515n |
+0.005 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
4 |
Propeller |
No |
4 |
if n |
< |
2.84 |
v = |
0.0935n |
+0.059 |
m/s |
|
|
|
|
|
|
|
if
n |
> |
2.84 |
v = |
0.1030n |
+0.032 |
m/s |
|
|
|
n |
= |
2.84 |
v = |
0.1030n |
+0.032 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
ประวัติการสอบเทียบ |
|
|
ครั้งที่ |
วันที่ |
สอบเทียบจาก |
|
สูตรจากการสอบเทียบ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|