Fillable Printable Standard Psychrometric Chart
Fillable Printable Standard Psychrometric Chart
Standard Psychrometric Chart
BAROMETRIC PRESSURE: 29.921 in. HG
PSYCHROMETRIC
CHART
Normal Temperature
I-P Units
SEA LEVEL
0
5
1
0
1
5
2
0
2
5
3
0
3
5
4
0
4
5
5
0
5
5
5
5
6
0
6
0
ENTHALPY - BTU PER POUND OF DRY AIR
0
5
1
0
1
5
2
0
2
5
3
0
3
5
4
0
4
5
5
0
E
N
T
H
A
L
P
Y
-
B
T
U
P
E
R
P
O
U
N
D
O
F
D
R
Y
A
I
R
.1
.2
.3
.4
.5
.6
.7
.8
.9
1
1.1
1.2
1.3
VAPOR PRESSURE - INCHES OF MERCURY
0
10
20
25
30
35
40
45
50
55
60
65
70
75
80
85
DEW POINT TEMPERATURE - °F
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
SENSIBLE HEAT RATIO = Qs / Qt
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
DRY BULB TEMPERATURE - °F
.001
.002
.003
.004
.005
.006
.007
.008
.009
.010
.011
.012
.013
.014
.015
.016
.017
.018
.019
.020
.021
.022
.023
.024
.025
.026
.027
.028
.029
1
0
%
R
E
L
A
T
I
V
E
H
U
M
I
D
I
T
Y
2
0
%
3
0
%
4
0
%
5
0
%
6
0
%
7
0
%
8
0
%
9
0
%
-5
0
0
5
5
1
0
10
1
5
15
2
0
20
2
5
25
3
0
30
3
5
35
4
0
40
4
5
45
5
0
50
5
5
55
6
0
60
6
5
65
7
0
70
7
5
75
8
0
80
8
5
W
E
T
B
U
L
B
T
E
M
P
E
R
A
T
U
R
E
-
°
F
85
9
0
1
2
.
0
1
2
.
5
1
3
.
0
1
3
.
5
1
4
.
0
V
O
L
U
M
E
-
C
U
.
F
T
.
P
E
R
L
B
.
D
R
Y
A
I
R
1
4
.
5
1
5
.
0
1
5
.
5
HUMIDITY RATIO - POUNDS MOISTURE PER POUND DRY AIR
BAROMETRIC PRESSURE: 29.921 in. HG
PSYCHROMETRIC
CHART
Normal Temperature
I-P Units
SEA LEVEL
BAROMETRIC PRESSURE: 101.325 kPa
PSYCHROMETRIC
CHART
Normal Temperature
SI Units
SEA LEVEL
-
2
0
-
1
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
1
0
0
1
1
0
1
1
0
1
2
0
1
2
0
ENTHALPY - KJ PER KILOGRAM OF DRY AIR
-
2
0
-
1
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
1
0
0
E
N
T
H
A
L
P
Y
-
K
J
P
E
R
K
I
L
O
G
R
A
M
O
F
D
R
Y
A
I
R
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
32.0
34.0
VAPOR PRESSURE - MM OF MERCURY
-10
-5
0
5
10
15
20
25
30
DEW POINT TEMPERATURE - °C
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
SENSIBLE HEAT RATIO = Qs / Qt
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
DRY BULB TEMPERATURE - °C
.001
.002
.003
.004
.005
.006
.007
.008
.009
.010
.011
.012
.013
.014
.015
.016
.017
.018
.019
.020
.021
.022
.023
.024
.025
.026
.027
.028
.029
1
0
%
R
E
L
A
T
I
V
E
H
U
M
I
D
I
T
Y
2
0
%
3
0
%
4
0
%
5
0
%
6
0
%
7
0
%
8
0
%
9
0
%
-
1
5
-15
-
1
0
-10
-
5
-5
0
5
5
1
0
10
1
5
15
2
0
20
2
5
25
3
0
W
E
T
B
U
L
B
T
E
M
P
E
R
A
T
U
R
E
-
°
C
30
0
.
7
4
0
.
7
6
0
.
7
8
0
.
8
0
0
.
8
2
0
.
8
4
0
.
8
6
V
O
L
U
M
E
-
C
U
B
I
C
M
E
T
E
R
P
E
R
K
G
D
R
Y
A
I
R
0
.
8
8
0
.
9
0
0
.
9
2
0
.
9
4
HUMIDITY RATIO - KILOGRAMS MOISTURE PER KILOGRAM DRY AIR
BAROMETRIC PRESSURE: 101.325 kPa
PSYCHROMETRIC
CHART
Normal Temperature
SI Units
SEA LEVEL
