QuickSpecs

Weight 2 lb (0.9 kg) minimum
Electrical Operating voltage + 5VDC ± 5%
Power consumption 100-mA maximum (with four LEDs ON)
System interface USB Type A plug connector
ESD CE level 4, 15-kV air discharge
EMI – RFI Conforms to FCC rules for a Class B
computing device
Microsoft PC 99 – 2001 Functionally compliant
Mechanical Languages 30+ available
Keycaps Low-profile design
Switch actuation 55 g nominal peak force with tactile feedback
Switch life 20 million keystrokes (using Hasco modified
tester)
Switch type Contamination-resistant membrane
Key-leveling
mechanisms
For all double-wide and greater-length keys
Cable length 6 ft (1.8 m)
Microsoft PC 99 - 2001 Mechanically compliant
Acoustics 43-dBA maximum sound pressure level
Environmental Operating temperature 50° to 122° F (10° to 50° C)
Non-operating
temperature
-22° to 140° F (-30° to 60° C)
Operating humidity 10% to 90% (non-condensing at ambient)
Non-operating humidity 20% to 80% (non-condensing at ambient)
Operating shock 40 g, six surfaces
Non-operating shock 80 g, six surfaces
Operating vibration 2-g peak acceleration
Non-operating
vibration
4-g peak acceleration
Drop (out of box) 26 in (66 cm) on carpet, six-drop sequence
Drop (in box) 42 in (107 cm) on concrete, 16-drop
sequence
QuickSpecs
HP Compaq dc5750 Business PC
Technical Specifications - Input/Output Devices
DA - 12546 North America — Version 14 — March 21, 2007 Page 32