Retrotec DM-2A Manuel d'utilisateur Page 61

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©Retrotec Inc. 2012
temperature difference. Software sourced from another vendor will need to be checked to verify
whether or not this correction is required.
Multiply flow by factor to get the corrected air flow.
Table 13. Temperature correction factors for enclosure pressurization.
Inside Temperature (F)
Outside Temperature (F)
50
55
60
65
70
75
80
85
90
-20
1.077
1.082
1.087
1.092
1.098
1.103
1.108
1.113
1.118
-15
1.071
1.076
1.081
1.086
1.091
1.097
1.102
1.107
1.112
-10
1.065
1.070
1.075
1.080
1.085
1.090
1.096
1.101
1.106
-5
1.059
1.064
1.069
1.074
1.079
1.084
1.089
1.095
1.100
0
1.053
1.058
1.063
1.068
1.073
1.078
1.084
1.089
1.094
5
1.047
1.052
1.058
1.063
1.068
1.073
1.078
1.083
1.088
10
1.042
1.047
1.052
1.057
1.062
1.067
1.072
1.077
1.082
15
1.036
1.041
1.046
1.051
1.056
1.061
1.066
1.071
1.076
20
1.031
1.036
1.041
1.046
1.051
1.056
1.061
1.066
1.070
25
1.025
1.030
1.035
1.040
1.045
1.050
1.055
1.060
1.065
30
1.020
1.025
1.030
1.035
1.040
1.045
1.050
1.055
1.059
35
1.015
1.020
1.025
1.030
1.035
1.040
1.044
1.049
1.054
40
1.010
1.015
1.020
1.025
1.030
1.034
1.039
1.044
1.049
45
1.005
1.010
1.015
1.020
1.024
1.029
1.034
1.039
1.044
50
1.000
1.005
1.010
1.015
1.019
1.024
1.029
1.034
1.038
55
0.995
1.000
1.005
1.010
1.014
1.019
1.024
1.029
1.033
60
0.990
0.995
1.000
1.005
1.010
1.014
1.019
1.024
1.028
65
0.986
0.990
0.995
1.000
1.005
1.010
1.014
1.019
1.024
70
0.981
0.986
0.991
0.995
1.000
1.005
1.009
1.014
1.019
75
0.976
0.981
0.986
0.991
0.995
1.000
1.005
1.009
1.014
80
0.972
0.977
0.981
0.986
0.991
0.995
1.000
1.005
1.009
85
0.967
0.972
0.977
0.981
0.986
0.991
0.995
1.000
1.005
90
0.963
0.968
0.972
0.977
0.982
0.986
0.991
0.995
1.000
95
0.959
0.963
0.968
0.973
0.977
0.982
0.986
0.991
0.995
100
0.954
0.959
0.964
0.968
0.973
0.977
0.982
0.987
0.991
105
0.950
0.955
0.959
0.964
0.969
0.973
0.978
0.982
0.987
110
0.946
0.951
0.955
0.960
0.964
0.969
0.973
0.978
0.982
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