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Determine Temperature/Humidity Requirements
65
Determine Temperature/Humidity Requirements
The following table lists the computer room temperature and humidity specifications.
Temperature and Humidity Specifications
Parameter
Operational
Limits
Recommended
Operating
Range
Maximum
Rate of Change
(per hour)
Non-Operating
Ranges
Temperature
a
a. This server has been designed to operate within the above specific temperature and relative
humidity operational limits. In general, operating any electronic equipment within the
recommended ranges of temperature and humidity will produce optimal reliability.
5
o
C to 35
o
C
(41
o
F to 95
o
F)
b
b. Temperature ranges stated above are at sea level. Maximum operating temperature is
derated (reduced) by 2
o
C for each 1000 meters above sea level up to a maximum of 3000
meters.
20
o
C to 25
o
C
(68
o
F to 77
o
F)
b
10
o
C (50
o
F) per
hour (With tape
media)
20
o
C (68
o
F) per
hour (Without
tape media)
-40
o
C to +70
o
C
(-40
o
F to +158
o
F)
Operating
Humidity
a
15 to 80%
Relative
humidity
(Non-condensing)
at 35
o
C (95
o
F)
40 to 60%
Relative
humidity
(Non-condensing)
30% Per hour
Relative humidity
(Non-condensing)
90% Relative
humidity
(Non-condensing)
at 65
o
C (149
o
F)
Temperature and humidity specifications
a
a. These are recommended values. For operation outside these ranges, contact your
Hewlett-Packard site preparation specialist.
Parameter
Recommended
Operating Range
Recommended Maximum
rate of change (per hour)
Temperature
b
b. At altitudes up to 3,000 meters.
41
o
to 104
o
F
(0
o
to 40
o
C)
50
o
F nonrepetitive
10
o
C nonrepetitive
(repetitive maximums not
tested)
Operating Humidity 15% - 80%, non-condensing
at 65
o
C
30% RH/hour