C-2
SPARCcenter 2000 System Board Manual—October 1994
C
Table C-2 Humidity Limits
Operating
Non-operating
US
Metric
US
Metric
Recommended range
20% to 80%
RH at 104
°
F
20% to 80%
RH at 40
°
C
95% RH at
104
°
F
95% RH at
40
°
C
Minimum humidity
20%
20%
10%
10%
Maximum humidity
80%
80%
95%
95%
Maximum gradient
<30%
RH/hr,
<27
°
F/hr
<30%
RH/hr,
<15
°
C/hr
<30%
RH/hr,
<18
°
F/hr
<30%
RH/hr,
<10
°
C/hr
Dwell at extremes
8 hours
8 hours
120 hours
120 hours
Table C-3 Altitude Limits
Operating
Non-operating
US
Metric
US
Metric
Maximum altitude
10,000 ft
3 km
40,000 ft
12 km
Temperature range
50
°
–104
°
F
10
°
–40
°
C
32
°
F
0
°
C
Maximum gradient
<1.5kPa/min,
<18
°
F/hr
<1.5kPa/min,
<10
°
C/hr
<8kPa/min,
<18
°
F/hr
<8kPa/min,
<10
°
C/hr
Dwell at extremes
4 hours
4 hours
4 hours
4 hours
