HP t420 Troubleshooting Guide - Page 46

J Specifications Dimensions Width (side to side) Height (top to bottom) Depth (front to back) Approximate Weight Temperature Range (fanless design)* Operating** (max. rate of change is 10°C per hour or 18°F per hour) Nonoperating (max. rate of change is 20°C per hour or 36°F per hour) *Specifications are at sea level with altitude derating of 1°C/300 m (1.8°F/1000 ft) to a maximum of 3 Km (10,000 ft), with no direct, sustained sunlight. Upper limit may be limited by the type and number of options installed. Relative Humidity (non-condensing) Operating (max. wet bulb temperature is 28°C or 84.2°F) Nonoperating (max. wet bulb temperature is 38.7°C or 101.6°F) Maximum Altitude (unpressurized) Operating (max. allowed rate of change is 457 m per minute or 1500 ft per minute) Nonoperating (max. allowed rate of change is 457 m per minute or 1500 ft per minute) Power Supply Operating Input Voltage Range Rated Line Frequency Power Output (maximum) Rated Output Current (maximum) Output Voltage 180 mm 35 mm 140 mm 740 g 10° to 35°C -30° to 60°C 7.1 in 1.4 in 5.5 in 1.63 lbs 50° to 95°F -22° to 140°F ** The operating temperature range when the thin client is attached to a flat panel using the HP Quick Release is 10° to 35°C (50° to 95°F). 10-90% 5-95% 3048 m 9144 m 10,000 ft 30,000 ft 100-240 VAC 50-60 Hz 45 W 2.31 A +19.5 V DC 40 Appendix J Specifications