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A.4 Environmental Requirements
The power supply will be compliant with each item in this specification
for the following Environmental conditions.
Temperature Range
Operating
Storage
Humidity
Operating
Storage
Vibration
The subject power supplies will withstand the following imposed
conditions without experiencing non-recoverable failure or deviation from
specified output characteristics.
Vibration Operating – Sine wave excited, 0.5G maximum acceleration,
10~250Hz swept at one octave/min. Fifteen minute dwell at all resonant
points, where resonance is defined as those exciting frequencies at which
the device under text experiences excursions two times large than
non-resonant excursions.
Plane of vibration to be along three mutually perpendicular axes.
Shock
The subject power supplies will withstand the following imposed
conditions without experiencing non-recoverable failure or deviation from
specified output characteristics.
Storage: -40G, 11mSec. Half-sine wave pulse in both directions on
three mutually perpendicular axes.
Operating: -10G, 11mSec. Half-sine wave pulse in both directions on
three mutually perpendicular axes.
Cooling Specifications
The PS is cooled by a self-contained, 40mm, 12VDC
76
0 to +50 deg. C
-20 to +80 deg. C
5~95% RH, Non-condensing
5~95% RH, Non-condensing
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