IBM DJSA-210 Hard Drive Specifications - Page 37
Specification, 6.1.1 Temperature and humidity, 1 Environment
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6.0 Specification 6.1 Environment 6.1.1 Temperature and humidity Operating conditions Temperature 5 to 55°C (See Note) Relative humidity 8 to 90% noncondensing Maximum wet bulb temperature 29.4°C noncondensing Maximum temperature gradient 20°C/hour Altitude -300 to 3048 m (10,000 ft) Nonoperating conditions Temperature -40 to 65°C Relative humidity 5 to 95% noncondensing Maximum wet bulb temperature 40°C noncondensing Maximum temperature gradient 20°C/hour Altitude -300 to 12,192 m (40,000 ft) Note: The system is responsible for providing sufficient air movement to maintain surface temperatures below 60°C at the center of top cover and below 63°C at the center of the drive circuit board assembly. Figure 15. Environmental condition Relative Humidity (%) Specification (Environment) 100 90 80 31'C/90% 41'C/95% WetBulb 40'C 70 60 Non Operating WetBulb29.4'C 50 Operating 40 30 65'C/23 % 20 55'C/15 10 % 0 -45 -35 -25 -15 -5 5 15 25 35 45 55 65 Temperature (degC) Figure 16. Limits of temperature and humidity Travelstar 32GH/30GT/20GN hard disk drive specifications 23