
7.3.1 Accuracy of dew point temperature °C
Temperature
Relative humidity
10
20
30
40
50
60
70
80
90
100
−40
1.86
1.03
0.76
0.63
0.55
0.50
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
1.00
0.81
0.70
0.63
0.57
0.53
0.50
0.48
20
2.87
1.56
1.13
0.92
0.79
0.70
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
3.60
1.96
1.42
1.14
0.97
0.86
0.78
0.72
0.67
0.64
7.3.2 Accuracy of mixing ratio g/kg (ambient pressure
1013 mbar)
Temperature
Relative humidity
10
20
30
40
50
60
70
80
90
100
−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
0.10
0.10
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
1.10
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
7.3.3 Accuracy of wet bulb temperature °C
Temperature
Relative humidity
10
20
30
40
50
60
70
80
90
100
−40
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
—
—
−20
0.21
0.21
0.22
0.22
0.22
0.22
0.23
0.23
—
—
0
0.27
0.28
0.28
0.29
0.29
0.29
0.30
0.30
0.31
0.31
20
0.45
0.45
0.45
0.44
0.44
0.44
0.43
0.43
0.42
0.42
40
0.84
0.77
0.72
0.67
0.64
0.61
0.58
0.56
0.54
0.52
Chapter 7 – Technical data
83
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