Specification—434
TABLE 1-2
ENVIRO NM E NTAL
Characteristic
Performance Requirement Supplemental Inform ation
Temperature
Operating
—15cC to +55°C
Non-Operating
—55°C to +75°C
Altitud e
Operating
To 15,000 feet
Maximum allowable operating tempera
ture decreased by 1°C per 1000 feet from
5000 feet to 15,000 feet.
Non-Operating
To 50,000 feet
H um idity
Operating and Non-Operating
Five cycles (120 hours) referenced to
MIL-E-16400F.
Vibration
Operating and Non-Operating
15 minutes along each o f the 3 major
axes at a total displacement of 0.025 inch
peak to peak (4 g's at 55 Hertz) w ith fre
quency varied from 10 to 55 to 10 Hertz
in one minute sweeps. Hold fo r three
minutes at 55 Hertz. A ll major resonances
must be above 55 Hertz.
Shock
Operating and Non-Operating
30 g’s, 1/2 sine, 11 milliseconds duration,
two shocks per axis each direction for a
total of 12 shocks.
T ransportation
Tested to National Safe Transit Com
mittee procedure 1A w ith a 30 inch drop.
Electromagnetic Interference
(MOD 163D Only)
Radiated
As tested in MIL-1-6181D
150 kilohertz to one gigahertz w ith mesh
fitte r installed.
Mesh filte r reduces light output approxi
mately 56%.
Conducted
150 kilohertz to 25 megahertz.
®
1-7
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