Technical Guide

Table 26. Operational Climatic Range Categories (continued)
Category A3 Allowable Operation
Humidity Percent Ranges (Non-Condensing at all times) 8%RH with -12°C minimum dew point to 85%RH with 24°C
(75.2°F) maximum dew point
Operational Altitude De-Rating Maximum temperature is reduced by 1°C/175meters
(1.8°F/574 feet) above 900 meters (2,953 feet)
Table 27. Operational Climatic Range Categories
Category A3 Allowable Operation
Temperature Ranges (For Altitude <900 meters or 2953 feet) 5 to 45°C (41 to 113°F) with no direct sunlight on the
platform
Humidity Percent Ranges (Non-Condensing at all times) 8%RH with -12°C minimum dew point to 90%RH with 24°C
(75.2°F) maximum dew point
Operational Altitude De-Rating Maximum temperature is reduced by 1°C/125 meters
(1.8°F/410 feet) above 900 meters (2,953 feet)
The table below shows the requirements shared across all environmental categories:
Table 28. Shared Requirements
Allowable Operation
Maximum Temperature Gradient (applies to both operation
and non-operation)
20°C in an hour* (36°F in an hour) and 5°C in 15 minutes
(9°F in 15 minutes), 5°C in an hour* (9°F in an hour) for tape
hardware
Non-Operational Temperature Limits -40 to 65°C (-40 to 149°F)
Non-Operational Humidity Limits (Non-Condensing at all
times)
5% to 95%RH with 27°C (80.6°F) maximum dew point
Maximum Non-Operational Altitude 12,000 meters (39,370 feet)
Maximum Operational Altitude 3,048 meters (10,000 feet)
Table 29. Maximum vibration specifications
Maximum vibration Specifications
Operating 0.26Grms at 5Hz to 350Hz (x, y, and z axes)
Storage 1.88Grms at 10Hz to 500Hz for 15min (all six sides tested)
Table 30. Maximum shock specifications
Maximum vibration Specifications
Operating Six consecutively executed shock pulses in the positive and
negative x, y, and z axes of 6G for up to 11ms
Storage Six consecutively executed shock pulses in the positive and
negative x, y, and z axes (one pulse on each side of the
system) of 71 G for up to 2 ms
Appendix A. Additional specifications 45