Accuracy of absolute humidity (g/m, Accuracy of wet bulb temperature (°c) – Vaisala HMP42 User Manual
Page 53
HMI41 AND HMP42
M210317EN-A
Operating Manual
49
Accuracy of absolute humidity
(g/m
3
)
RH/%
10
20
30
40
50
60
70
80
90
100
T/
°C
-40
0.003 0.003 0.003 0.003 0.004 0.004 0.004 0.005
-
-
-20
0.020 0.021 0.023 0.025 0.026 0.028 0.029 0.031
-
-
0
0.10
0.11
0.12
0.13
0.13
0.14
0.15
0.15
0.16
0.17
20
0.37
0.39
0.41
0.43
0.45
0.47
0.49
0.51
0.53
0.55
40
1.08
1.13
1.18
1.24
1.29
1.34
1.39
1.44
1.49
1.54
60
2.73
2.84
2.95
3.07
3.18
3.29
3.40
3.52
3.63
3.74
80
6.08
6.30
6.51
6.73
6.95
7.17
7.39
7.61
7.83
8.05
100
12.2
12.6
13.0
13.4
13.8
14.2
14.6
15.0
15.3
15.7
120
22.6
23.3
23.9
24.6
25.2
25.8
26.5
27.1
27.8
28.4
140
39.1
40.0
41.0
42.0
43.0
44.0
45.0
45.9
46.9
47.9
160
63.5
64.9
66.4
67.8
69.2
70.7
72.1
73.5
75.0
76.4
Accuracy of wet bulb temperature (°C)
RH/%
10
20
30
40
50
60
70
80
90
100
T/
°C
-40
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
-
-
-20
0.21
0.21
0.21
0.21
0.22
0.22
0.22
0.22
-
-
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
60
1.45
1.20
1.03
0.91
0.83
0.76
0.71
0.67
0.63
0.61
80
2.24
1.64
1.32
1.13
0.99
0.90
0.82
0.76
0.72
0.68
100
3.06
2.04
1.58
1.31
1.14
1.01
0.92
0.85
0.80
0.75
120
3.86
2.41
1.81
1.48
1.28
1.13
1.03
0.95
0.88
0.83
140
4.57
2.73
2.03
1.65
1.41
1.25
1.13
1.04
0.97
0.91
160
5.23
3.04
2.24
1.81
1.55
1.36
1.23
1.13
1.05
0.98
11.4.2
Accuracies in non-metric units
Accuracy of dewpoint temperature (°F)
RH/%
10
20
30
40
50
60
70
80
90
100
T/
°F
-40
3.28
1.80
1.33
1.10
0.96
0.86
0.80
0.75
-
-
-4
3.76
2.05
1.50
1.22
1.06
0.95
0.88
0.82
-
-
32
4.52
2.47
1.80
1.46
1.26
1.13
1.03
0.96
0.90
0.86
68
5.16
2.81
2.04
1.65
1.42
1.26
1.15
1.06
1.00
0.95
104
5.83
3.16
2.29
1.85
1.58
1.40
1.27
1.18
1.10
1.04
140
6.48
3.53
2.55
2.05
1.75
1.55
1.41
1.30
1.21
1.14
176
7.22
3.93
2.84
2.28
1.95
1.72
1.55
1.43
1.33
1.26
212
7.95
4.34
3.13
2.52
2.15
1.89
1.71
1.57
1.46
1.38
248
8.75
4.78
3.45
2.77
2.36
2.08
1.88
1.72
1.60
1.50
284
9.56
5.24
3.78
3.04
2.59
2.28
2.05
1.88
1.75
1.64
320
10.4
5.73
4.14
3.33
2.83
2.49
2.24
2.05
1.90
1.79