Table 1–2 Environmental Specifications
Condition
Specification
Optimum Operating Environment
Temperature
Rate of change
Step change
+18° to +24°C (+65° to +75°F)
3°C (5.4°F)
3°C (5.4°F)
Relative humidity
40% to 60% (noncondensing) with a step change of 10% or less
(noncondensing)
Altitude
From sea level to 2400 meters (8000 feet)
Air quality
Maximum particle count .5 micron or larger, not to exceed 500,000
particles per cubic feet of air
Inlet air volume
.026 cubic meters per second (50 cubic feet per minute)
Maximum Operating Environment (Range)
Temperature
+10° to +40°C (+50° to +104°F)
Derate 1.8°C for each 1000 merters (1.0°F for each 1000 feet) of
altitude
Maximum temperature gradient 11°C/hr (20°F/hr) ±2°C/hr (4°F/hr)
Relative humidity
10% to 90% (noncondensing)
Maximum wet bulb temperature: 28°C (82°F)
Minimum dew point: 2°C (36°F)
Maximum Nonoperating or Storage Environment (Range)
Temperature
Nonoperating
Storage
+18° to +29°C (+65° to +85°F)
–40° to +66°C (–40° to +151°F)
Relative humidity
Nonoperating
Storage
10% to 90% (noncondensing)
8% to 95% in original shipping container (noncondensing);
otherwise, 50% (noncondensing)
Altitude
From –300 meters (–1000 feet) to +3600 meters (+12,000 feet)
MSL
1–6 Introduction
