Vibration transducer SEL SP-157VPS electromagnetic type in a sealed housing of increased power.
For installation, standard fasteners are used: 1) On enclosing structures (walls, etc.) - anchor SP-157AC. 2) On surfaces (window openings, including glazing, etc.) - disk SP 157DM. 3) On pipes - profile clamp SP-157PM. 4) On the frame and glass - combined "frame".
If necessary, it is equipped with an external power regulator SEL SP-157P (under a screwdriver).
Technical specifications: Band of emitted frequencies of the noise signal 0.09 - 11.2 kHz Active resistance 12 Ohm Emitted power max. 95 dB External radiation level adjustment LED operation indicator Dimensions D60x50 mm