IBM 8275 User Manual page 24

Characteristic
Operating Environment
10
8275-416 User's Guide
Specification
Operating Temperature
10° - 40° C (50° - 104° F)
Operating Humidity
8% - 80%
Storage Temperature
1° - 60° C (33.8° - 140° F)
Storage Humidity
8% - 80%
Shipment Temperature
40°C - 60°C (104°F - 140°F)
Shipment Humidity
5% - 100%