Appendix h: uncertainty in lbs & ppmv calculations, Appendices page 43 – COSA Xentaur Xentaur LPDT User Manual
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Appendices
page 43
Appendix H: Uncertainty in LBS & ppmV calculations
Uncertainty of LBS & ppmV calculations due to +/-3˚C measurment accuracy
Calculated ppmV
Calculated LBS H
2
O / mmscf
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
0.5
0.5
0.25
2.5
0.05
0.6
0.7
0.8
0.9
1
1
0.1
2
3
4
5
5
6
7
8
9
10
10
20
30
40
48
38
34
29
24
19
15
44
50
60
70
80
90
100
200
300
400
500
600
700
800
900
1000
Measured Dewpoint ˚C
Dewpoint -3˚C
Dewpoint +3˚C