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75
70
80
85
300
10
65
5
290
270
60
– UME VOL
60%
AT
210
UR
E
200 190
TY IDI UM EH
90
170
LA
40
AT
%
150
TE
130 30
TU SA
25
%
25
110
65
100
75 %
90
15
35
–25
–20
–15 –15
–10 –10
0
–5
5
0
–5
0
5
10
10
15
25
20
15
20
25
30
12.5
–30
–20
12.0
–25
–30
5
1.0
.9 75 .8
–10
–5
0
65
.7 65
60
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35
40
1
45
EH
TY
50
8%
40
6%
45
4%
40
35
2%
50
55
60
65
70
75
80
85
90
95
100
105
110
115
60
.5
120
125
135
140
145
150
155
55
50 45
.3
40
30
35
.2
20
30 25 20
.1
10
130
.4
50
10 0
160
45
DRY BULB TEMPERATURE – F
Chart by: HANDS DOWN SOFTWARE, www.handsdownsoftware.com
70
70
60
DI
I UM
TIV
LA
RE
50
13.0
30
30
0%
55
40
25
60
13.5
5
20
80
55
65
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15
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75
70
1
50
10
10
80
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55
–5
1.2
20
20
14.0
60
0
85
120
%
RA
TIO
14.5
N
30
140
HUMIDITY RATIO – GR
MP
ER
85
75
70
AINS OF MOISTURE
RE 50
%
E–
F
160
80
1.3
180
TIV
–B PY AL TH EN
80
UR
20
00
0
1000
0
h W
ER
80
5
10
15
20
25
30
35
40
ENTHALPY – BTU PER POUND OF DRY AIR
MP
1.4
VAPOR PRESSURE – INCHES OF MERCURY
70%
TE
90
AIR
TIVE
80%
REL A 90%
YA DR PO R
0.2
0.1
PE
0
50
TU
300
4
85
35
5000
0.
0.3
0
150 ENTHALPY HUMIDITY RATIO
LB
220
15.0
0
. -2
0 -1. -00..54 - .3 -0 -0.2 -0.1
0
BU
D
00
ET
45
OF
0
-10
UN
5
0.
-200
4 8.0.0 -4-8.0 .0
40
Qs Qt
W
16.0
SENSIBLE HEAT TOTAL HEAT
2.0
95
DEWPOINT TEMPERATURE – F
55 50 IR
90
1.5
230
AIR DRY
BAROMETRIC PRESSURE: 29.921 INCHES OF MERCURY 1.0 1.0 -
85
1.6
240
OF UND
SEA LEVEL
95
250
PO PER
I-P Units
0.6
0
FT. CU.
PSYCHROMETRIC CHART NORMAL TEMPERATURE
10
15.5
HUM IDIT Y
95
90
1.7
260
PER POUND OF DRY
Toll Free: 1-866-4-VENMAR • Website: www.venmarces.com Head Office: 1502 Quebec Avenue • Saskatoon, SK • Canada • S7K 1V7 Applied Factory: 200 Carter • St-Léonard-d’Aston, QC • Canada • J0C 1M0
0.8
1.8
280
