Presence detector
Installation height 1:
2:
3:
4:
3.00 m
20 m
16 m
12 m
8 m
3.50 m
23 m
18.5 m
14 m
9 m
4.00 m
26 m
17 m
14.5 m*)
– *)
5.00 m
28 m
18 m
15 m*)
– *)
1:
Range for tangential movement on the ground
2:
Range for radial movement on the ground
3:
Range for typical movements at desks, e.g. torso movement
4:
Range of fine detection at desks, e.g. mouse movements
*)
When used as a presence detector: Installation height should not be more than
3.5 m, otherwise fine detection is not possible.
Selecting installation location
When used as a presence detector, the device is installed on the ceiling and monitors the sur-
face below it. When used as a motion detector, the device is installed e.g. in the hallway on the
ceiling.
￭
Select a vibration-free installation location. Vibrations can lead to unwanted switching.
￭
Avoid interference sources in the detection area. Interference sources, e.g. heaters, vent-
ilation, air conditioners, and cooling light bulbs can lead to unwanted detections.
If necessary, the detection field can be limited using the push-on cover in order to minim-
ise the influence of interference sources (see Limiting the detection field).
Limiting the detection field
Figure 4: Push-on cover
The push-on cover can be used to limit the detection field, e.g. in order to mask out interference
sources.
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