Appendix m: uncertainty in lbs & ppmv calculations, Xdt user’s manual appendices 54, O / mmscf – COSA Xentaur Xentaur XDT User Manual

Page 61: Measured dewpoint °c dewpoint -3 °c dewpoint +3 °c

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XDT User’s Manual Appendices

54

Appendix M: Uncertainty in LBS & ppmV calculations

Uncertainty of LBS & ppmV calculations due to +/-3

°C measurement 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

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