VISUAL-AUDIBLE SIREN
SP-500
sp500_en 04/09
The SP-500 visual-audible siren is designed for application in the burglary and assault
signaling systems. A set of LEDs situated at the lower part of the siren enclosure serves as
the source of light. A modulated acoustic signal is generated by means of the piezoelectric
transducer. Any attempt to open the siren or tear it off from the mounting surface will set off
a tamper alarm. The electronics board is protected by impregnation against unfavorable
effects of weather conditions. As the SP-500 housing is made of the highly impact resistant
PC LEXAN polycarbonate, hence it features a high mechanical strength and guarantees
aesthetic appearance of the siren even after many years of operation.
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Fig. 1. View of the SP-500 siren enclosure.
Explanations for Figure 1:
1 – fixing screw holes
2 – piezoelectric transducer
3 – cable inlet
4 – electronics board
5 – cover fixing screw
6 – cover openings
7 – piezoelectric transducer leads
8 – tamper element – protects the siren from removing its enclosure and/or tearing it off
from the wall (must be screwed to the mounting surface; do not overtighten, so as not
to break the narrowings)
9 – opening for tamper element fixing screw
10 – water drain opening (do not stop)
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