Table 1. Error
in total mass predicted by GreenStar® versus weigh tank scale.
|
Target
Flow |
Run
Time |
GreenStar®
Total #1 |
Scale
Total #1 |
Error
Test #1 |
GreenStar®
Total #2 |
Scale
Total #2 |
Error
Test #2 |
Actual
Flow 1 |
|
kg/s |
sec |
kg |
kg |
% |
kg |
kg |
% |
kg/s |
|
1.3 |
600 |
795 |
771 |
3.1 |
792 |
770 |
2.8 |
1.28 |
|
2.1 |
420 |
904 |
900 |
0.4 |
906 |
894 |
1.3 |
2.14 |
|
4.2 |
180 |
810 |
798 |
1.5 |
797 |
770 |
0.9 |
4.35 |
|
8.4 |
180 |
1552 |
1554 |
0.1 |
1505 |
1514 |
0.6 |
8.52 |
|
12.7 |
180 |
2322 |
2329 |
0.3 |
2261 |
2248 |
0.6 |
12.71 |
|
16.9 |
120 |
2063 |
2067 |
0.2 |
2038 |
2007 |
1.5 |
16.97 |
|
21.1 |
120 |
2502 |
2573 |
2.7 |
2581 |
2512 |
2.7 |
21.19 |
1. The
actual flow is calculated using the average total mass accumulated at the weigh
scale divided by the number of seconds that the meter was delivering grain to
the clean grain elevator.