Vaisala HMP243 Guida Utente Scaricare il pdf (Pagina 66)

HMP240

User's Guide M210300en

8.3.2 Accuracy of other calculated variables

Accuracy of mixing ratio (g/kg) when ambient pressure is 1013 mbar

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40

0.001 0.002 0.002 0.002 0.003 0.003 - - -

-20

0.007 0.010 0.012 0.014 0.017 0.019 0.021 0.024

0.033 0.043 0.053 0.063 0.074 0.084 0.094 0.104 0.115 0.125

0.12 0.15 0.19 0.23 0.26 0.30 0.33 0.37 0.41 0.45

0.37 0.49 0.61 0.74 0.87 1.00 1.14 1.28 1.42 1.57

1.03 1.41 1.82 2.26 2.73 3.25 3.82 4.43 5.10 5.84

2.60 3.79 5.23 6.99 9.16 11.85 15.25 19.57 25.17 32.54

100

6.24 10.49 17.10 27.98 47.20 84.96 172.5 446.0 - -

120

15.45 36.25 100.4 464.4 - - - - - -

140

44.97 326.3 - - - - - - - -

160

228.7 - - - - - - - - -

Accuracy of absolute humidity (g/m

)

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40

0.002 0.003 0.003 0.004 0.005 0.005 - - - -

-20

0.011 0.014 0.018 0.022 0.026 0.030 0.034 0.037 - -

0.045 0.060 0.075 0.090 0.105 0.120 0.13 0.15 0.16 0.18

0.15 0.20 0.24 0.29 0.34 0.38 0.43 0.48 0.53 0.57

0.43 0.57 0.71 0.85 0.99 1.12 1.26 1.40 1.54 1.68

1.09 1.45 1.81 2.17 2.53 2.88 3.24 3.60 3.96 4.32

2.43 3.24 4.06 4.88 5.69 6.51 7.33 8.15 8.96 9.78

100

4.89 6.56 8.23 9.90 11.57 13.25 14.92 16.59 18.26 19.93

120

9.06 12.19 15.33 18.46 21.59 - - - - -

140

15.66 21.12 - - - - - - - -

160

25.53 - - - - - - - - -

Accuracy of wet bulb temperature (°C)

Relative humidity

Temp. 10 20 30 40 50 60 70 80 90 100

-40

0.18 0.18 0.18 0.18 0.19 0.19 - - - -

-20

0.15 0.16 0.17 0.18 0.19 0.19 0.2 0.21 - -

0.15 0.17 0.2 0.22 0.24 0.26 0.28 0.3 0.31 0.33

0.21 0.25 0.29 0.32 0.35 0.38 0.4 0.43 0.45 0.47

0.37 0.43 0.48 0.52 0.55 0.57 0.6 0.61 0.63 0.64

0.63 0.68 0.71 0.74 0.76 0.77 0.79 0.8 0.81 0.82

0.96 0.94 0.94 0.94 0.94 0.95 0.95 0.96 0.97 0.98

100

1.3 1.18 1.13 1.12 1.11 1.11 1.11 1.12 1.12 1.13

120

1.62 1.39 1.31 1.28 1.27 - - - - -

140

1.9 1.58 - - - - - - - -

160

2.17 - - - - - - - - -

The formulas used in calculation of dewpoint/frostpoint, mixing ratio and

absolute humidity are presented in Appendix 5.

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 129 130

Commenti su questo manuale

Nessun commento

Vaisala HMP243 Guida Utente Pagina 66

Commenti su questo manuale

Prodotti e manuali riguardandi Misurazione, test & controllo Vaisala HMP243