Vaisala HMT360Series Betriebsanweisung PDF herunterladen (Seite 85)

Chapter 9 ____________________________________________________________ Technical Data

VAISALA_______________________________________________________________________ 83

Accuracy of Calculated Variables

Accuracy of the calculated variables depend on the calibration accuracy of

the humidity and temperature sensors; here the accuracy are given for ±2

%RH and ±0.2 °C.

Accuracy of Dewpoint Temperature °C

Accuracy of Mixing Ratio g/kg

(Ambient pressure 1013 mbar)

Relative humidity

Temp.102030405060708090100

-40 1.86 1.03 0.76 0.63 0.55 0.5 0.46 0.43 — —

-20 2.18 1.19 0.88 0.72 0.62 0.56 0.51 0.48 — —

0 2.51 1.37 1 0.81 0.7 0.63 0.57 0.53 0.5 0.48

20 2.87 1.56 1.13 0.92 0.79 0.7 0.64 0.59 0.55 0.53

40 3.24 1.76 1.27 1.03 0.88 0.78 0.71 0.65 0.61 0.58

60 3.6 1.96 1.42 1.14 0.97 0.86 0.78 0.72 0.67 0.64

80 4.01 2.18 1.58 1.27 1.08 0.95 0.86 0.79 0.74 0.7

100 4.42 2.41 1.74 1.4 1.19 1.05 0.95 0.87 0.81 0.76

120 4.86 2.66 1.92 1.54 1.31 1.16 1.04 0.96 0.89 0.84

140 5.31 2.91 2.1 1.69 1.44 1.26 1.14 1.05 0.97 0.91

160 5.8 3.18 2.3 1.85 1.57 1.38 1.24 1.14 1.06 0.99

Relative humidity

Temp.102030405060708090100

-40 0.003 0.003 0.003 0.003 0.003 0.004 0.004 0.004 — —

-20 0.017 0.018 0.019 0.021 0.022 0.023 0.025 0.026 — —

0 0.08 0.09 0.09 0.1 0.1 0.11 0.11 0.12 0.13 0.13

20 0.31 0.33 0.35 0.37 0.39 0.41 0.43 0.45 0.47 0.49

40 0.97 1.03 1.1 1.17 1.24 1.31 1.38 1.46 1.54 1.62

60 2.68 2.91 3.16 3.43 3.72 4.04 4.38 4.75 5.15 5.58

80 6.73 7.73 8.92 10.34 12.05 14.14 16.71 19.92 24.01 29.29

100 16.26 21.34 28.89 40.75 60.86 98.85 183.66 438.56 — —

120 40.83 74.66 172.36 — — — — — — —

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Vaisala HMT360Series Betriebsanweisung Seite 85