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ASHRAE PSYCHROMETRIC CHART NO.1 55
NORMAL TEMPERATURE BAROMETRIC PRESSURE: 29.921 INCHES OF MERCURY Copyright 1992
R
R
90
AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS, INC.
SEA LEVEL
1.0
:
50
-:
1.0
60
.028
85
15.
-2000 -1000
5000
2.0
0.6
SENSIBLE HEAT TOTAL HEAT
3000
0.5
Qs Qt
0.4
200
0
0.2
-0.1
85
0
WE
.024
TB
UL
BT
50
55
PE
RA
80
0
40
TU
RE
- °F
.022
00
15
0.1
-0.2
0
45
EM
5 -0. 4 -0. -0.3
0.3
-1 .0
4.0 -8.0 -: -4.80.0 -2. 0
.026
0
0.8
60
1000
80
ENTHALPY HUMIDITY RATIO
Dh DW
.020
75
35
50
14. 5
.018
R U
N
R
U
M
PE
PO
N
70
IO
.014
TU SA
25
0V
14.
65
0%
%
80
60
.FT
%
. PE
70
50
50%
45
35
AIR
40
RY
45
5 13.
% 60
B. D
RL
55
50
40%
40
13.
30%
0
35
20%
12. 10
15
20
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
5 35
TY
VE HUMIDI
10% RELATI
45
.012
.010
40
.008
.006
35 .004
.002
115
55
CU
20
E-
UM
OL
9
DRY BULB TEMPERATURE - °F
60
15
HUMIDITY RATIO - POUNDS MOISTURE PER POUND DRY AIR
R
AT
65
120
TE
R PE TU -B PY AL
.016
AT
D
O
30
EN
TH
70
E
F
D
-°
R
F
Y
AI
R
75
25 ENTHALPY - BTU PER POUND OF DRY AIR
30
ASHRAE PSYCHROMETRIC CHART NO.1 110
NORMAL TEMPERATURE
.030
BAROMETRIC PRESSURE: 101.325 kPa Copyright 1992
R
R
.029 100
AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS, INC.
SEA LEVEL
0.8 0.7
10.0
0.6
SENSIBLE HEAT TOTAL HEAT
0.5
1.0
-:
1.5 2.0
-5.0
4.0
Qs Qt
-4.0 -2. 0
-1
120
TB
UL
0.0
BT
EM
.024
PE
RA
80
1.0
5.0 4.0
5
-0.
TU
RE
.023
- °C
110
.022
2
0.9
0.1
.025
WE
-0.2
0.2
.026 30
.0
0
.027
90
-2.0
:
0.4
0.3
.028 30
4 0.9
1.0
:
120
2.0
3.0
.021
2.5
70
25 .020
Dh DW
.019 25
Y
-°
C
DR F
RE
O
TU
M
RA
.015
20
TU
PY
RA
-K
TI
J
O
N
PE
R
TE
M
HUMIDITY RATIO - KILOGRAMS MOISTURE PER KILOGRAM DRY AIR
20
PE
RA G KI
LO
.016
EN
8
SA
0.8
AL
0
50
40
TH
.017
0.9
AI
R
60
% 90
15
%
30
80
0.8 6V
15 %
EUM
OL
70
10
ER
0.8
R PE
40%
KG
2
30%
YA
DR
0 0.8
IR
20%
0.7
TY
VE HUMIDI
10
90
.014 .013 .012 .011
80
.010 .009 .008 .007
70
.006 .005 .004 60
.003 .002
20
35
30
25
.001 20
15
10
5
8
10% RELATI
30
45
5
DRY BULB TEMPERATURE - °C
T ME
50
BIC
%
4 0.8
10 5
40
20
CU
% 60
10
100
.018
50
ENTHALPY HUMIDITY RATIO
40
ENTHALPY - KJ PER KILOGRAM OF DRY AIR
50
NORMAL TEMPERATURE BAROMETRIC PRESSURE: 29.921 INCHES OF MERCURY Copyright 1992
R
R
90
AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS, INC.
SEA LEVEL
1.0
:
50
-:
1.0
60
.028
85
15.
-2000 -1000
5000
2.0
0.6
SENSIBLE HEAT TOTAL HEAT
3000
0.5
Qs Qt
0.4
200
0
0.2
-0.1
85
0
WE
.024
TB
UL
BT
50
55
PE
RA
80
0
40
TU
RE
- °F
.022
00
15
0.1
-0.2
0
45
EM
5 -0. 4 -0. -0.3
0.3
-1 .0
4.0 -8.0 -: -4.80.0 -2. 0
.026
0
0.8
60
1000
80
ENTHALPY HUMIDITY RATIO
Dh DW
.020
75
35
50
14. 5
.018
R U
N
R
U
M
PE
PO
N
70
IO
.014
TU SA
25
0V
14.
65
0%
%
80
60
.FT
%
. PE
70
50
50%
45
35
AIR
40
RY
45
5 13.
% 60
B. D
RL
55
50
40%
40
13.
30%
0
35
20%
12. 10
15
20
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
5 35
TY
VE HUMIDI
10% RELATI
45
.012
.010
40
.008
.006
35 .004
.002
115
55
CU
20
E-
UM
OL
9
DRY BULB TEMPERATURE - °F
60
15
HUMIDITY RATIO - POUNDS MOISTURE PER POUND DRY AIR
R
AT
65
120
TE
R PE TU -B PY AL
.016
AT
D
O
30
EN
TH
70
E
F
D
-°
R
F
Y
AI
R
75
25 ENTHALPY - BTU PER POUND OF DRY AIR
30
ASHRAE PSYCHROMETRIC CHART NO.1 110
NORMAL TEMPERATURE
.030
BAROMETRIC PRESSURE: 101.325 kPa Copyright 1992
R
R
.029 100
AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS, INC.
SEA LEVEL
0.8 0.7
10.0
0.6
SENSIBLE HEAT TOTAL HEAT
0.5
1.0
-:
1.5 2.0
-5.0
4.0
Qs Qt
-4.0 -2. 0
-1
120
TB
UL
0.0
BT
EM
.024
PE
RA
80
1.0
5.0 4.0
5
-0.
TU
RE
.023
- °C
110
.022
2
0.9
0.1
.025
WE
-0.2
0.2
.026 30
.0
0
.027
90
-2.0
:
0.4
0.3
.028 30
4 0.9
1.0
:
120
2.0
3.0
.021
2.5
70
25 .020
Dh DW
.019 25
Y
-°
C
DR F
RE
O
TU
M
RA
.015
20
TU
PY
RA
-K
TI
J
O
N
PE
R
TE
M
HUMIDITY RATIO - KILOGRAMS MOISTURE PER KILOGRAM DRY AIR
20
PE
RA G KI
LO
.016
EN
8
SA
0.8
AL
0
50
40
TH
.017
0.9
AI
R
60
% 90
15
%
30
80
0.8 6V
15 %
EUM
OL
70
10
ER
0.8
R PE
40%
KG
2
30%
YA
DR
0 0.8
IR
20%
0.7
TY
VE HUMIDI
10
90
.014 .013 .012 .011
80
.010 .009 .008 .007
70
.006 .005 .004 60
.003 .002
20
35
30
25
.001 20
15
10
5
8
10% RELATI
30
45
5
DRY BULB TEMPERATURE - °C
T ME
50
BIC
%
4 0.8
10 5
40
20
CU
% 60
10
100
.018
50
ENTHALPY HUMIDITY RATIO
40
ENTHALPY - KJ PER KILOGRAM OF DRY AIR
50
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