Appendix d: uncertainty in lbs and ppmv calculatio, Page 20, Measured dewpoint ˚c dewpoint -3˚c dewpoint +3˚c – COSA Xentaur Xentaur XPDM User Manual
Page 23
page 20
Appendix D: Uncertainty in LBS and PPMV calculations
Uncertainty of LBS-H2O calculation due to +/-3˚C measurment accuracy
Calculated LBS-H2O in Natural Gas @ STP
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
6
7
8
9
10
20
30
Measured Dewpoint ˚C
Dewpoint -3˚C
Dewpoint +3˚C
Uncertainty of ppmV calculation due to +/-3˚C measurment accuracy
Calculated ppmV
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
200
300
400
500
600
700
800
900
1000
Measured Dewpoint ˚C
Dewpoint -3˚C
Dewpoint +3˚C