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The microwave motion sensor is a microwave moving object detector designed by the Doppler radar principle. Unlike general infrared detectors, microwave sensors detect the motion of an object by detecting the microwave reflected by the object. The detection object will not be confined to the human body, and there are many other things. Microwave sensors are not affected by ambient temperature, have long detection range and high sensitivity. They are widely used in industrial, transportation and civil devices, such as vehicle speed measurement, automatic doors, induction lights, and parking sensors.

Specificatoins of HB100 Microwave Doppler Radar Wireless Motion Sensor:

  • Working voltage : 5V±0.25V
  • Working current (CW): 60mA max., 37mA typical
  • Size: 61.2x61.2mm
  • Launch parameters:
  • Detection distance: 2-16m continuously adjustable (minimum range 2m, maximum range 16m)
  • Transmission frequency : 10.525 GHz
  • Frequency setting accuracy : 3MHz
  • Output power (minimum): 13dBm EIRP
  • Harmonic emission: less than -10dBm
  • Average current (5% DC): 2mA typ.
  • Pulse width (Min.): 5uSec
  • Load cycle (Min.): 1%
  • Receive parameters:
  • Sensitivity (10dB S/N ratio) 3Hz to 80Hz Bandwidth: -86dBm
  • 3Hz to 80Hz bandwidth clutter 10uV
  • Antenna gain: 8dBi
  • Vertical surface 3dB beamwidth: 36 degrees
  • Water level 3dB Beamwidth: 72 degrees

Features of HB100 Microwave Doppler Radar Wireless Motion Sensor:

  • This detection method has the following advantages compared with other detection methods:
  • non-contact detection;
  • not affected by temperature, humidity, noise, airflow, dust, light, etc., suitable for harsh environments;
  • strong anti-radio interference capability;
  • the output power is small, it is not harmful to the human body;
  • the detection distance is far;
  • support for the detection of non-living objects
  • the directionality of the microwave is very good, the speed is equal to the speed of light;
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