FIELD: safety systems.
SUBSTANCE: invention relates to technical security means, namely to seismic means capable of hidden control of movement of intruder in the security zone. Seismic security sensor consists of at least three seismic receivers, wherein all seismic detectors are connected to common information processing unit, and the sensor itself is connected via a communication channel with a central security post. Longitudinal axis, at least, of one of the seismic receivers is not aligned with the plane of the longitudinal axes of all other seismic receivers, a longitudinal axises of the seismic detectors, located in a single plane of the sensor are not parallel to each other.
EFFECT: high sensitivity and security of installation.
6 cl, 11 dwg
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