Dell Inspiron 14 (5439, Late 2013) - Manual (Page 6)

Computer Environment
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –20 °C to 60 °C (–4 °F to 122 °F)
Relative humidity (maximum):
Operating 20 % to 90 % (non‑condensing)
Storage 20 % to 95 % (non‑condensing)
Vibration (maximum):
Measured using a random vibration spectrum that simulates user environment
Operating 0.50 GRMS
Storage 2.16 GRMS
Shock (maximum):
Measured with hard drive in operating status and a 2‑ms half‑sine pulse for
operating. Also measured with hard drive in head‑parked position and a 2‑ms
half‑sine pulse for storage
Operating 50 G
Storage 180 G
Altitude (maximum):
Operating –15.2 m to 3048 m (–50 ft to 10,000 ft)
Storage –15.2 m to 10,668 m (–50 ft to 35,000 ft)
Airborne contaminant level G2 or lower as defined by ISA‑S71.04‑1985