Sensor principle: Ultrasonic
Range: min 2 cm, max. 450 cm
Passive infrared (PIR)
1. PIR wakeup (Field of view 94x82°, range max. 5m)
2. IR thermopile array (33x33°, range max. 5m)
Recommended distance to person: 1-4 m
Orientation / counting process: Person shall pass horizontically the vertically mounted device. The device can also get mounted onto the ceiling. In this case the device counts persons, who pass the respective room dividing line/plane.