Pir Detection Zone - Berger & Schroter BG310 Serie Mode D'emploi

5. PIR Detection Zone

This camera has a new patented PIR design which allows the
detection range to reach to 22 m in good environments. The following
picture shows the compared detection zone between normal PIR and
the new patented PIR.
normal PIR
I
I new patented PIR
The PIR detection angle (α) is smaller than the field of view (FOV) (β).
The advantage of this design is to reduce empty an empty
picture's rate and capture most, if not all, objects in motion.
α = Detection angle
β = F. O. V. Angle
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