GE Moisture Image 1 Series Service Manual page 77

Note: If the dew/frost point is known, the table will yield the partial water vapor pressure
(P ) in mm of Hg. If the ambient or actual gas temperature is known, the table will
W
yield the saturated water vapor pressure (P
Temp. (°C)
-90 0.000070
-80 0.000400
-70 0.001940
-60 0.008080
-50 0.029550
-40 0.096600
-30 0.285900
Temp. (°C)
-29 0.317
-28 0.351
-27 0.389
-26 0.430
-25 0.476
-24 0.526
-23 0.580
-22 0.640
-21 0.705
-20 0.776
-19 0.854
-18 0.939
-17 1.031
-16 1.132
-15 1.241
-14 1.361
-13 1.490
-12 1.632
-11 1.785
-10 1.950
-9 2.131
-8 2.326
-7 2.537
-6 2.765
-5 3.013
-4 3.280
-3 3.568
-2 3.880
-1 4.217
0 4.579
Application of the Hygrometer (900-901D1)
Table A-1: Vapor Pressure of Water
Water Vapor Pressure Over Ice
0 2
0.000048
0.000290
0.001430
0.006140
0.023000
0.076800
0.231800
0.0 0.2
0.311
0.344
0.381
0.422
0.467
0.515
0.569
0.627
0.691
0.761
0.838
0.921
1.012
1.111
1.219
1.336
1.464
1.602
1.753
1.916
2.093
2.285
2.493
2.718
2.962
3.225
3.509
3.816
4.147
4.504
) in mm of Hg.
S
4 6
0.000033 0.000022
0.000200 0.000140
0.001050 0.000770
0.004640 0.003490
0.017800 0.013800
0.060900 0.048100
0.187300 0.150700
0.4 0.6
0.304 0.298
0.337 0.330
0.374 0.366
0.414 0.405
0.457 0.448
0.505 0.495
0.558 0.547
0.615 0.603
0.678 0.665
0.747 0.733
0.822 0.806
0.904 0.887
0.993 0.975
1.091 1.070
1.196 1.175
1.312 1.288
1.437 1.411
1.574 1.546
1.722 1.691
1.883 1.849
2.057 2.021
2.246 2.207
2.450 2.408
2.672 2.626
2.912 2.862
3.171 3.117
3.451 3.393
3.753 3.691
4.079 4.012
4.431 4.359
June 2003
8
0.000015
0.000100
0.000560
0.002610
0.010600
0.037800
0.120900
0.8
0.292
0.324
0.359
0.397
0.439
0.486
0.536
0.592
0.652
0.719
0.791
0.870
0.956
1.051
1.153
1.264
1.386
1.518
1.661
1.817
1.985
2.168
2.367
2.581
2.813
3.065
3.336
3.630
3.946
4.287
A-15