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|  MIL-T-85396A(AS)
3.2.2 Basic conformance. Parts
and materials selected for use in the test
Parts shall be selected from those
be as specified in MIL-T-28800.
conforming to MIL-E-5400, unless
the parts listed therein will not perform adequatel
in the intended applications and
environments specified herein.
3.2.2.1 Interchangeability. All parts and materials shall meet the inter-
changeabil ity requirements as specified in MIL-T-28800. The drawings conforming to
DL 1098AS1OOO shall be the standard for measuring interchange- ability of all
applicable units, assemblies, subassemblies and parts.
3.3 Design and construction. The test set shall be manufactured in accordance with
the drawings and subsid iary specifications conforming to DL 1098AS1OOO, except that
errors of omission or commission on the drawings may-be incompatible with the
requirements of this specification. In any case, it is a condition of final
acceptance that the test set manufactured shall meet all the design, construction,
and workmanship requirements of this specification.
3.3.1 Reliability.
3.3.1.1 Operational stability. The test set shall operate as required continuously
or intermittently, for not less than 100 hours. During this time, it shall not be
necessary to readjust any controls that are inaccessible to the operator during
normal use. The test set battery shall be capable of being recharged.
3.3.1.2 Reliability in mean-time-between-failures (MTBF). The test set shall have a
specified mean (operating) time between failures of 100 hours when tested in
accordance with 4.5.3.
3.3.2 Standard conditions. The following conditions shall be used to establish the
normal performance characteristics under standard conditions for performing
laboratory bench tests:
Room ambient (30 10 C)
a.
Temperature
Normal ground (10,000 ft. maximum)
b.
Altitude
None
c.
Vibration
d.
Humidity
Room ambient up to 90 percent
relative humidity
Input Power Voltage
Fully charged battery pack (PN
e.
178AS200) or external power source
capable of producing 200 mA of
current at 10.0 to 15.0 volts dc with
a maximum ripple voltage of 1 mV rms.
3.3.2.1 Service conditions. The test set shall meet the storage and operating test
requirements of this specification under any environmental service condition or
combination of conditions specified in MIL-T-28800 for Class 2 equipment except as
modified herein.
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