TM 5-6675-322-14
9-4.7 Hand Psychrometer.
C o n t r o l o r I n d i c a t or
Function
A i r I n t a ke
Thermometer (Dry)
Thermometer (Wet)
ON/OFF Switch
Psychometric Chart
Slide Rule
Directs air flow over we t
and dry bulbs.
Indicates dry bulb
erature in degrees
Fahrenheit.
Indicates wet bulb
erature in degrees
Fahrenheit.
Turns on fan motor
temp-
temp-
and.
w h e n t u r n e d f u l l y r i g h t,
provides thermometer
i l l u m i n a t i o n .
Utilizes wet and dry bulb
temperatures to determine
r e l a t i v e h u m i d i t y .
Used to determine rela-
t i v e h u m i d i t y . A f t e r
taking thermometer
readings, aline wet and
dry bulb readings.
9-8
