Environmental Specifications; Table 4. Environmental Specifications; Formulas For Maximum Operating Temperature At Given Altitude - Dell PowerEdge T110 II Technical Manual

5.4 Environmental Specifications

Table 4 summarizes the environmental specifications for the PowerEdge T110 II.
Specification
Temperature Ranges
(For altitude ≤ 900m or 2952.75ft)
Temperature Ranges
(For altitude > 900m or 2952.75ft)
Temperature Gradient
(maximum per 60 minutes)
Humidity Percent Ranges
(noncondensing)
Humidity Gradient
(maximum per 60 minutes)
Altitude Ranges
Airborne contaminants
1
Use the formulas in Table 5 to calculate the maximum operating temperature, T (°C or °F), for the given
altitude (in meters or feet).
Table 5.
Temperature
Scale
Celsius
Maximum Altitude ( meters ) - 900
35 –
Fahrenheit
(Maximum Altitude ( meters ) - 900) x 1.
95 –
PowerEdge T110 II Technical Guide
Table 4. Environmental Specifications
Operating Requirements
10°C to 35°C
(50°F to 95°F)
10°C to T
(50°F to T
10°C
20% to 80%
(maximum wet bulb
temperature = 29°C)
10%
-50ft
Low Limits
(-15.2m)
10,000ft
High Limits
(3048m)
G1 – Maximum corrosive contaminant levels measured at ≤ 50%
ISA-71 Level
relative humidity. See Table 3 in ISA-71.04-1985.

Formulas for Maximum Operating Temperature at Given Altitude

Altitude in Meters
300
300
1
°C
1
°F)
Formula
Maximum Altitude ( feet ) - 2952.75
°C 35 –
(Maximum Altitude ( feet ) - 2952.75) x 1.
°F 95 –
Non-Operating Requirements
-40°C to 65°C
(-40°F to 149°F)
20°C
5% to 95%
(maximum wet bulb
temperature = 38°C)
10%
-50ft
(-15.2m)
35,000ft
(10,668m)
Altitude in Feet
9 4.25
9 4.25
°C
°F
19