ACK550 Mini Keyboard Specification
 
  • 88/89 Keys mini keyboard (functions equivalent to 101/102 keys)
  • Miniature keyboard 
  • Standard 19mm key spacing (some keys reduced width)
  • Infra red cordless connection
  • Effective operating angle is 45º
  • Effective operating distance is  up to 10 meters
  • Highly effective transmission protocol (PPM)
  • Low power consumption
  • Membrane keyswitch with tactile feedback
  • Choice of languages (Volume purchases)
  • FCC & CE safety
 
  • Membrane switch
  • Travel: 3mm +/- 0.5mm
  • Actuating force: 15g (min)
  • Operating force: standard key 45g / space bar 55g
  • Key lifetime: 10 million operations

 
  • Power + 5vdc ±5%, 100mA typical, 150mA max.
  • Insulation resistance: 150V DC / 10M ohm (min)
  • Contact resistance: 220 ohm (max)
  • Battery stand-by lifetime is two years
  • Battery lasts for up to 500 hours continuous use
 
  • Width:  283mm
  • Depth:  143mm
  • Height:   25mm
 
  • Operating temperature: 0ºC to 45ºC
  • Storage temperature: -20ºC to +60ºC
  • Humidity: 0% - 85% RH (non-condensing)
 


 
 

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