Dell Latitude 7380 Owner's Manual page 57

Altitude— Specifications
maximum
Operating –15.2 m to 3048 m (–50 to 10,000 ft)
0°C to 35°C
Non-operating –15.24 m to 10,668 m (–50 ft to 35,000 ft)
Airborne G2 or lower as defined by ISA S71.04–1985
contaminant level
System specifications 57