TM 750-5-3
AN/UMQ4
Accessories Case CY
1. NOMENCLATURE: Wiresonde Set AN/UMQ4.
1000/UMQ4 _ _ _ _ _ _ 106.5 lb (empty).
2. TYPE CLASSIFICATION: Standard A.
Wiresonde Set Case CY
999/UMQ4 _ _ _ _ _ _ _ 117.75 lb (empty).
3. SECURITY REQUIREMENTS: Unclassified.
Summation Bridge ML
442/UMQ4 _ _ _ _ _ _ _ _ 32.5 lb.
4. PRIMARY USE OR CONCEPT OF EMPLOYMENT:
Overall weight _ _ _ _ _ _ _ 3401b (approx).
Used to measure atmospheric temperature and humidity
at low altitudes.
7. MAJOR COMPONENTS:
5. BRIEF FUNCTIONAL DESCRIPTION: Wiresonde Set
Summation Bridge ML442/UMQ4.
AN/UMQ4 is a transportable equipment designed to
Wiresonde Baseline Check Chamber ML467/UMQ4.
measure atmospheric temperature and humidity at low
Wiresonde ML441/UMQ4.
altitudes. The AN/UMQ4 provides data on conditions of
Meteorological Resistance Temperature Element
the lower atmosphere for use in weather forecasting, wave
ML484/UMQ4.
propagation, correction of artillery fire, chemical warfare,
Hydrography Humidity Element ML379/AM.
and other similar applications, Temperature-sensitive and
Hand Cable Reeling Machine RL156/UMQ4.
humidity-sensitive elements, carried aloft by a kytoon, are
Clinometer ML110( ).
connected to a summation bridge on the ground through
Psychrometer ML224.
a transmission-mooring cable. Temperature and humidity
Kite Balloon ML483/UM.
variation affecting the elements carried aloft are thus
detected on the summation bridge.
8. SET, SYSTEM, FACILITY, AND CONFIGURATION
APPLICATION: This set is used independently.
6. TECHNICAL CHARACTERISTICS:
9. ADDITIONAL EQUIPMENT REQUIRED AND AUX-
Range of measurements:
ILIARY EQUIPMENT:
+40 C.
Temperature . . . . . . . . . . .
Humidity . . . . . . . . . . . . . . .
10% to 100% above
a. Additional Equipment.
0C., 20% to 100%
Battery (two) BA409/U.
below 0 C.
Battery BA253/U.
0 to about 1,500 ft.
Altitude . . . . . . . . . . . . . . . .
Helium or hydrogen supply.
Distilled water.
Three wire conductors
Data transmission -- . . . .
b. Auxiliary Equipment. None.
in transmission-
mooring cable.
10. TOOLS AND TEST EQUIPMENT:
Summation bridge:
a. Tools.
Wheatstone bridge.
Circuit . . . . . . . . . . . . . . ..-
Tool Equipment TE113.
Power . . . . . . . . . . . . . . . . .
12 vdc (Two Batteries
Tool Equipment TK17/FMQ1.
BA409/U).
b. Test Equipment.
Wiresonde:
Decade Resistor TS679/U.
Temperature sensitive
Decade Resistor TS894/U.
element . . . . . . . . . . . . . .
Dry-bulb thermistor.
Multimeter AN/URM105.
Humidity sensitive
11. REFERENCE DATA AND LITERATURE:
element . . . . . . . . . . .._
Wet-bulb thermistor
TM 11243810,20,
or lithium chloride
35 _ _ _ _ _ _ _ _ _ AN/UMQ4
strip.
TM 11666022212 _ _ _ _ ML224
Power for blower motor
6 vdc (One Battery
TM 11662520312,
BA2531/U).
20P,
35,
45P
AN/URM105
Cable reeling machine:
Capacity _ _ _ _ _ _ _ _ _
2,000 ft of transmis-
12. REPAIR PORTS SUPPORT CAPABILITY: To 1974
sion-mooring cable.
Full support.
Hand operated.
Operation _ _ _ _ _ _ _ _ _ _
13. TRAINING EQUIPMENTS:
Dimensions:
Operator MOS 93E20, 93F20.
Hand Cable Reeling
Maintenance MOS 35C20.
Machine RL-156/
UMQ4 _ _ _ _ _ _ _ _ _ _ _ _ 21 in. high, 12 5/16 in.
14. TYPICAL BASIS OF ISSUE:
deep, 20 in. wide.
Allowance
TA .
Accessories Case CY-1000/
2
50447 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
UMQ4 _ _ _ _ __ _ _ _ _ _ 21 in. high, 24 in.
1
50772 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
deep, 38 3/8 in. wide.
Wiresonde Set Case CY
15. PRICE DATA:
999/UMQ4 _ _ _ _ _ _ 23 in. high, 23 in. deep,
a. Major item_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ,300.00
34 in. wide.
b. Repair parts (1year cost based on
Weight:
100 equipments) _ _ _ _ _ _ _ _ _ ,500.00
Hand Cable Reeling
16. ITEM REPLACED: None.
Machine RL166/
UMQ4 _ _ _ _ _ _ _ _ _ 40 lb.
17. REMARKS: None.
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