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Moisture Conversion Table
PPM VERSUS DEWPOINT

DEWPOINT PPM MOISTURE
(volume basis @ 760 mm, Hg)
°C °F
-110
-108
-106
-104
-102
-100
-98
-96
-94
-92
-90
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
-68
-66
-64
-62
-60
-58
-56
-54
-52
-50
-48
-46
-44
-42
-40
-38
-36
-34
-32
-30
-28
-26
-24
-22
-20
-18
-16
-14
-12
-10
-8
-6
-4
-2
+/-0
+2
+4
+6
+8
+10
+12
+14
+16
+18
+20
+22
+24
+26
+28
+30
-166
-152
-159
-155
-152
-148
-144
-141
-137
-134
-134
-126
-123
-119
-116
-112
-108
-105
-101
-98
-94
-90
-87
-83
-80
-76
-72
-69
-65
-62
-58
-54
-51
-47
-44
-40
-35
-33
-29
-26
-22
-18
-15
-11
-8
-4
+/-0
+3
+7
+10
+14
+18
+21
+25
+28
+32
+36
+39
+43
+46
+50
+54
+57
+61
+64
+68
+71.5
+75
+79
+82
+85
.00132
.00237
.00368
.00566
.00855
.0130
.0197
.0289
.0434
.0632
.0921
.132
.184
.263
.382
.562
.737
1.01
1.38
1.88
2.55
3.43
4.59
6.11
8.08
10.6
13.9
18.2
23.4
30.3
38.8
49.7
63.3
80
101
127
159
198
246
305
376
452
566
692
842
1020
1240
1490
1790
2160
2570
3050
3640
4320
5100
6020
6970
8030
9230
10590
12120
13840
15780
17930
20370
23080
26088
29443
33169
37301
41874
 






 
 

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