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Page Title:
Table III. Life test sample selection. |
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|  MIL-T-85396A(AS)
Life test sample selection.
TABLE III.
When reliability tests are conducted, the life test may be omitted if, during
the reliability tests, a quantity of test sets equal to or more than that
listed in table III receives at least 300 hours each of test time.
4.10.1 Life test conditions, The life test shall be conducted under the
following simulated service conditions:
Room ambient (30C 10C)
Temperature
a.
Normal ground (O - 10,000 ft.)
b.
Altitude
Room ambient up to 90 percent relative
Humidity
c.
humidity
Standard Conditions
d.
Input voltage
None
Vibration
e.
4.10.2 Life test period. The life test may be run continuously or
intermittently. Any period of operation shall be of sufficient duration to
permit the test set-temperature to stabilize. Periodically, the test set
shall be turned on and off several times, and put through its various phases
of operation.
4.10.3 Performance check. At approximately 8 hour intervals during the test,
a limited performance check shall be made (see 6.2.2).
4.10.4 Test data. In the event of part failures, the defective part shall be
replaced and the operation resumed for the remainder of the test period (see
6.2.2).
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