MIL-PRF-27197E
3.8.3 Humidity. The indicator shall operate at 95% relative humidity.
3.8.4 Acceleration. The indicator shall operate while subjected to an acceleration of 20g.
3.8.5 Sand and Dust. Exposure to sand and dust particles shall have no affect on the operation
of the indicator.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. Qualification inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 Qualification inspection.
4.2.1 Test samples. The qualification test shall require five indicators. The qualification
inspection shall consist of al the tests described in 4.6. Three of the indicators shall be subjected
to all of the tests. The remaining two indicators shall be subjected to the individual tests.
4.3 Conformance inspection. Conformance inspection shall consist of:
a. Individual tests.
b. Sampling tests.
4.3.1 Individual tests. Each indicator shall be subjected to the following tests in 4.6:
a.
Examination
b.
Seal
c.
Scale error
d.
Friction error
e.
Position error
f.
High temperature
g.
Low temperature
h.
Lighting
4.3.2 Sampling tests. Indicators shall be sampled according to ASQC-Z1.4 at the inspection
level (normal, tightened or reduced) specified in the acquisition document (see 6.2).
The sampling tests are to be comprised of the following:
a.
Scale error
b.
Dial visibility
c.
Damping
d.
Vibration error
e.
Low temperature exposure
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