Honeywell AUTOMATIC CONTROL Engineering Manual page 57

PSYCHROMETRIC CHART FUNDAMENTALS
REFERENCE POINT
1.0
1.0
0.8
THIS LINE IS
PARALLEL
TO THE SOLID
50% RH
1150
LINE C-B ON
THE PSYCH
C
CHART
0.0164 LB/LB
0.0065 LB/LB
B
A
55°F DB
92°F DB
90°F DB
C1841
X
Y
CONSTRUCTION LINE
Fig. 17.
47
ENGINEERING MANUAL OF AUTOMATIC CONTROL