VoiceAlert User Manual
Figure 5: PIR Sensor mounted at standard height / no filter insert.
2.5.2 Installation for Increased Detection Distance
If you want to increase the distance of detection to slightly more than 12 m,
secure the Sensor low down (app. 1m above ground) and tilt the Sensor to
face slightly upwards (Figure 6). This will shift the field of detection forward
and allow for detection of movement in some instances up to 15m away
from the sensor (performance will be subject to surrounding environment).
Figure 6: PIR Sensor mounted low down and angled slightly up.
2.5.3 Installation for Increased Angle
If you want to monitor a specific area directly underneath the Sensor as
apposed to movement in the distance, you can mount the Sensor higher
than 2.2m and tilt the Sensor to face downwards. Secure the Sensor to an
angled block of wood and then mount the block onto a surface. This will
allow you to obtain the increased angle that you wish to set the Sensor
(Figure 7).
Copyright InFocus Trading 111 cc, 2009
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