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Table IV. Preproduction Test Sequence
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MIL-V-82444A(OS)
4.4.3.1 Vibration equipment with temperature chamber. The vibration.
equipment with temperature chamber shall have the following characteristics:
a. Frequency range, logarithmic sweep: 5 to 500 Hertz (Hz)
b. Test specimen: 2 pounds
c. Acceleration and displacement (ready condition):
0.2 inch
5
to
22 Hz
22
to
40 Hz
3.0 gravitational units (g's)
40
to
74 Hz
0.036 inch
74
to
500Hz
10 g's
d. Acceleration (packed and packaged):
1g
5 to 60 Hz
e. Automatic cycling time range:
O to 15 minutes (optional)
0
f. Temperature chamber range:
-45 F to +140 F,accuracy
to 5 F
g. Interior size:
6 inches x 4 inches x 3
inches minimum
4.4.3.2 Acceleration equipment.  The acceleration equipment shall have
the following characteristics: 35 g's with a 2 pound test specimen.
4.4.3.3 Shock equipment.  The shock equipment shall be capable of accep-
ting a 2 pound test specimen and shall provide ranges of:
a. 300 g's for 0.5 millisecond (ms) to 1.5 ms
b.
60 g's for 8.0 ms to 10.0 ms
c.
45 g's for 18.0 ms to 20.0 ms
4.4.3.4. Temperature and humidity conditioning equipment.  One or more
equipments may be utilized to provide the following characteristics:
a. Temperature:
-45F to +250 F; with an accuracy to
5 F
b. Relative humidity:
95 percent minimum at +110 F; with
an accuracy to 5 F
6 inches x 4 inches x 3 inches minimum
c. Interior size:
This equipment may be used for both nonoperating and ready/operating temp-
erature (and humidity) tests.
9

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