Amprobe THWD-3 TH-3 Relative-Humidity-Temperature-Meters - Manual (Page 7)

5
Psychrometric Chart
W
et Bulb (F)
40
40
DRY BULB TEMPERATURE (F)
HUMIDITY RA
TIO (Lbv/Lba)
50
50
60
60
70
70
80
80
80%
60%
40%
20%
90
90 100 120
.028
.024
.020
.012
.008
.004
.016