HF Presence Detector for KNX home and building control system


  • The HD-9621i-KNX is a presence detector adopting the high frequency 5.8GHz detecting technology.
  • It can see through glass, wood, plastic materials, etc. and respond to small movement. And thanks for the high frequency technology, the sensor is almost not affected by the ambient temperature.
  • For convenient setting, it can be quick and easily adjustable by a remote controller.
  • Rated voltage: 21V~30VDC (Supplied from KNX system or externally)
  • Operating current: Approx. 10mA
  • Frequency: 5.8GHz
  • Detection Range: For ceiling mount: 360o, about Φ8m at the height of 2.5m
  • Auto Off Time Adjustment:
    • Time 1 (for Lighting): Adjustable from approx. 5sec to 30min, Test & 1sec
    • Time 2 (for HVAC): Adjustable from approx. 10sec to 60min and 1sec
  • Meter Adjustment: Adjustable from “-” approx. Φ1.5m to “+” approx. Φ8m at height 2.5m
  • Lux Adjustment: Adjustable from approx. 10 Lux to and learning range: 10 Lux - 2000 Lux
  • Operating Temperature: -20°C to +45°C
  • Environmental Protection:
    • IP40 (Flush mount with power box cap and European standard junction box) 
    • IP54 (Surface mount with junction box)
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