Dell Inspiron 15 (7548, Late 2014) - Manual (Page 23)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touch Pad Power Adapter Camera
Communications
Battery
Video Audio
Display
Media-Card
Reader
Keyboard
Computer Environment
Airborne contaminant level G1 as defined by ISA‑S71.04‑1985
Operating Storage
Temperature range 0°C to 35°C (32°F to 95°F) –40°C to 65°C (–40°F to 149°F)
Relative humidity (maximum) 10% to 90% (non‑condensing) 0% to 95% (non‑condensing)
Vibration (maximum) * 0.66 GRMS 1.30 GRMS
Shock (maximum) 110 G † 160 G ‡
Altitude (maximum) –15.2 m to 3048 m (–50 ft to 10,000 ft) –15.2 m to 10,668 m (–50 ft to 35,000 ft)
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half‑sine pulse when the hard drive is in use.
‡ Measured using a 2 ms half‑sine pulse when the hard‑drive head is in parked position.