3.10Environmental specifications

This section provides the temperature, humidity, shock, and vibration specifications for Momentus drives.

3.10.1Ambient temperature

Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Above 1000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet.

Operating:

0°C to 60°C (32°F to 140°F)

 

 

Nonoperating:

–40°C to 70°C (–40°F to 158°F)

 

 

3.10.2Temperature gradient

Operating

20°C per hour (68°F per hour max), without condensation

 

 

Nonoperating

35°C per hour (95°F per hour max), without condensation

 

 

3.10.3Relative humidity

Operating

5% to 95% noncondensing (30% per hour max)

 

 

Nonoperating

5% to 95% noncondensing (30% per hour max)

 

 

3.10.4Wet bulb temperature

Operating

37.7°C (99.8°F max)

 

 

Nonoperating

40°C (104°F max)

 

 

3.10.5Altitude

Operating

–304.8 m to 3048 m (–1000 ft to 10,000+ ft)

 

 

Nonoperating

–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)

 

 

Momentus Product Manual, Rev. B

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Seagate 5400-RPM, 7200-RPM manual Environmental specifications