TM 75053
CP164/UM
Figure 24. Computer, Psychometric CP164/UM.
1. NOMENCLATURE: Computer, Psychometric CP164/
Diameter _ _ _ _ _ _ _ _ _ _ _ 11 in.
UM.
Material _ _ _ _ _ _ _ _ _ _ _ Plastic.
2. TYPE CLASSIFICATION: Standard A.
7. MAJOR COMPONENT: Computer, Psychometric CP
164/UM.
3. SECURITY REQUIREMENTS: Unclassified.
4. PRIMARY USE OR CONCEPT OF EMPLOYMENT:
8. SET, SYSTEM, FACILITY, AND CONFIGURATION
APPLICATIONS: This equipment is used with Celsius
Used to compute dewpoint temperature and relative hu-
midity.
psychometric measuring instruments.
5. BRIEF FUNCTIONAL DESCRIPTION: Computer,
9. ADDITIONAL EQUIPMENT REQUIRED AND AUX-
Psychometric CP164/UM is a circular slide rule which
ILIARY EQUIPMENT: None.
is used to compute Celsius dewpoint temperature and per-
centages of relative humidity from observed values of
10. TOOLS AND TEST EQUIPMENT: None.
dry- and wet-bulb Celsius temperatures and atmospheric
11. REFERENCE DATA AND LITERATURE:
pressure. All data are read directly from the scales. Com-
puter, Psychometric CP164/UM is designed for use with
TM 11666020410, 25,
25P _ _ _ _ _ _ _ _ _ _ AN/TMQ5
Celsius psychometric measuring instruments.
6. TECHNICAL CHARACTERISTICS:
12. REPAIR PARTS SUPPORT CAPABILITY : To 1974--
Temperature scale _ _ _ _ _ _ _ _ _In degrees Centigrade.
Full support.
Temperature range:
13. TRAINING REQUIREMENTS: Operator MOS 93E
Low _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 50 C. to 0 C.
20, 93F20.
High _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 23 C. to +29.4 C.
Wet-bulb depression scales _ _ _ Wet-bulb depression at
14. TYPICAL BASIS OF ISSUE:
23,25,27,28,29,
TA
Allowance
and 30 in. atmos-
pheric pressure, and
50322 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 32
for relative humidity.
50366 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 24
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