Specifications

A
Appendix
28
Specifications
Environmental specifications
TheRTMisdesignedtomeetthefollowingenvir onmentalspecifications.Theoperating
environmentmustprovidesufficientairflowacrossthemoduletokeepitwithinits
temperaturespecification.
Table 7. Environmental specifications
Characteristic State Value
Temperature
(ambient)
Operating +5° C to +45° C
30° C/hr rate of change
Short term operating
a
a
Short term defined as a maximum of 96 consecutive hours
–5° C to +55° C
30° C/hr rate of change
Storage –40° C to +70
°
C
Relative humidity Operating 5% to 85% RH non-condensing
Short term operating
a
5% to 90% RH non-condensing at +30 ° C, but not to exceed
0.024 kg water per kg dry air
Storage 5% to 90% RH non-condensing at +40° C, but not to exceed
0.024 kg water per kg dry air
Short term storage
a
5% to 95% RH non-condensing at +40° C, but not to exceed
0.024 kg water per kg dry air
Altitude Operating Up to 1800 meters (5,905 feet), +55° C
> 1800 meters up to 4000 meters (13,123 feet), derated
linearly to +45°
C
Shock (drop) Unpacked
Free fall, corners and edges
0 to < 10 kg = 100 mm drop
Packaged (unpalletized)
Free fall, corners, surfaces, and
edges
0 to < 10 kg = 1000 mm drop
Palletized 100 mm free fall drop
Vibration Operating 0.1 g, 5 to 100 Hz and back, 0.1 octave/min sine sweep
b
b
In each direction for each of three mutually perpendicular axes.
Transportation (packaged) 0.5 g, 5 to 50 Hz and back, 0.1 octave/min sine sweep
b
3.0 g, 50 to 500 Hz and back, 0.25 octave/min sine sweep
b
Seismic Operating Per Zone 4 test method, GR-63-CORE