Environmental Specifications; Ambient Temperature; Temperature Gradient; Humidity - Seagate EE25 Series Product Manual

2.10

Environmental specifications

2.10.1

Ambient temperature

Ambient temperature is defined as the temperature of the environment immediately surrounding the drive.
Actual drive case temperature, measured on baseplate, should not exceed 90°C (194°F) within the operating
ambient conditions.
Operating OEM: -30° to 85°C (-86° to 185°F)
Aftermarket: -20° to 75°C (-68° to 167°F)
Nonoperating –40° to 95°C (–140° to 203°F)
2.10.2

Temperature gradient

Operating 3°C per minute (37°F per minute max), without condensation
Nonoperating 3°C per minute (37°F per minute max)
2.10.3

Humidity

2.10.3.1 Relative humidity
Operating 5% to 90% noncondensing (30% per hour max)
Nonoperating 5% to 95% noncondensing (30% per hour max)
2.10.3.2 Wet bulb temperature
Operating 40°C (104°F max)
Nonoperating 40°C (104°F max)
2.11

Altitude

Operating –304.8 m to 5,000 m (–1,000 ft to 16,400 ft) at 25°C.
For higher temperature capabilities, see Figure 2 below.
Nonoperating –304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
14 EE25 Series Product Manual, Rev. E