Epson XDT User Manual
XDT User’s Manual Appendices
56
Appendix M: Uncertainty in LBS & ppmV calculations
Uncertainty of LBS & ppmV calculations due to +/-3
°
C measurement accuracy
Calculated ppmV
Calculated LBS H2O / 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