dew point appratus, dew point measurementLinks
dew point meter, dew point calculatordew point calculation, dew point temperature
Dew Point

Dew PointMellcon dew Point Apparatus is the most economical, simple, errorless system for the spot checking of Dew Point temperature of any compressed Air / Gases. This consists of a closed cylindrical glass with two chrome Plated tubes, a low range thermometer (-50+40 Deg.C) and a dry Ice Maker.

Air / Gas enters to cylindrical glass through one chrome Plated tube and Exhausts. The other chrome plated tube is centrally placed in the cylindrical glass and thermometer is placed in it. Make dry ice (Solid C02 ) with the help of dry ice maker & a CO2 Gas cylinder. Pour some ether / acetone in the chrome plated tube having thermometer, And slowly put dry ice pieces into this liquid to reduce the wall temperature of the chrome plated tube. At a particular temperature the dew / frost will start forming on the walls of the tube and the same temperature can be noted from the thermometer. This is the dew Point temperature of that particular Air / Gas.

[Click here for Dew Point Conversion Chart]


Sr.No.
Dew Point
Deg C
Moisture Content
Sr.No.
Dew Point
Deg C
Moisture Content
g / NM³
ppm Volume
g / NM³
ppm Volume
01
-90
0.0000767
0.0953
41
+0
4.84
6020
02
-80
0.000434
0.54
42
+1
5.21
6480
03
-70
0.00207
2.57
43
+2
5.59
6953
04
-60
0.00857
10.7
44
+3
6.02
7487
05
-55
0.0166
20.6
45
+4
6.45
8022
06
-50
0.0317
39.4
46
+5
6.91
8595
07
-48
0.0399
49.6
47
+6
7.41
9216
08
-46
0.0507
63.0
48
+7
7.94
9875
09
-44
0.0642
80.1
49
+8
8.51
10584
10
-42
0.0816
101.5
50
+9
9.10
11318
11
-40
0.102
126.9
51
+10
9.74
12114
12
-38
0.127
158.0
52
+11
10.4
12935
13
-36
0.159
197.8
53
+12
11.1
13806
14
-34
0.197
245
54
+13
11.9
14800
15
-32
0.244
303
55
+14
12.7
15796
16
-30
0.301
374
56
+15
13.5
16791
17
-28
0.371
461
57
+16
14.4
17885
18
-26
0.454
564
58
+17
15.4
19030
19
-24
0.554
689
59
+18
16.4
20396
20
-22
0.675
840
60
+19
17.4
21641
21
-20
0.816
1015
61
+20
18.5
23020
22
-19
0.899
1118
62
+21
19.7
24502
23
-18
0.989
1231
63
+22
21.0
26120
24
-17
1.09
1356
64
+23
22.3
27736
25
-16
1.19
1480
65
+24
23.7
29477
26
-15
1.31
1630
66
+25
25.1
31219
27
-14
1.43
1779
67
+26
26.7
33209
28
-13
1.57
1953
68
+27
28.3
35200
29
-12
1.72
2140
69
+28
30.0
37312
30
-11
1.80
2338
70
+29
31.8
39551
31
-10
2.06
2562
71
+30
33.6
41791
32
-9
2.25
2798
72
+35
44.6
55472
33
-8
2.45
3047
73
+40
58.5
71761
34
-7
2.68
3333
74
+45
76.0
94527
35
-6
2.92
3632
75
+50
97.8
120398
36
-5
3.18
3955
76
+55
125
155472
37
-4
3.46
4303
77
+60
158
196517
38
-3
3.77
4690
78
+70
247
307212
39
-2
4.10
5100
79
+80
376
467662
40
-1
4.46
5547
80
+90
556
691542


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