HP DX2390 - Manual (Page 38)

HP USB 2-Button Laser Scroll Wheel 24
Maximum Rotation Speed 48 rats/sec
Switch Type wheel
Switch Life Button – 3,000,000
Wheel – 1,000,000 times
Tilt switch – 500,000 times
Environmental Operating Temperature32° to 104° F (0° to 40° C)
Non-operating
Temperature -4° to 140° F (-20° to 60° C)
Operating Humidity 10% to 90% (non-condensing at ambient)
Non-operating Humidity20% 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 Vibration4-g peak acceleration
Electrical Operating Voltage + 5VDC ± 5%
Power Consumption
MTBF > 150,000 hrs
ESD IEC-61000-4-2 criteria B, Contact discharge:
+/- 4kV, Air discharge: +/- 8kV
EMI-RFI FCC Class B
PC98 PC 99 Compliant
Mechanical Resolution 800dpi
Tracking Speed 25 cm/sec
Acceleration 0.5mm
Switch Actuation 0.6N (60gf)
Switch Life Button – 3,000,000
Wheel – 1,000,000 times
Tilt switch – 500,000 times
Cable Length 1850mm
PC98-99 PC99 compliant
Regulatory Approvals UL60950-1, UL 94, UL 746 (A-E), UL 796
TUV/GS: EN 60950-1, EN 60825-1
FCC Class B, UL 1950, cUL, TUV GS, CE, C-tick, VCCI, BSMI, RRL
QuickSpecs
HP Compaq dx2390 Microtower Business PC
(EMEA, APJ, and Brazil Only)
Technical Specifications - Input Devices
DA - 12990 Worldwide QuickSpecs — Version 8 — 4/3/2009 Page 38