The detector security surface sound addressable detector IO329-3/1 "Arfa-I" is designed to detect the destruction of building structures, including double-glazed windows (one-chamber and two-chamber according to GOST 24866), made with the use of sheet glass. The detector includes an acoustic channel and an input for connection of an alarm loop. The detector AC has two operating frequencies: the first - from 6 to 10 kHz, the second - from 150 to 300 Hz.
The detector is powered via a signal line connected to the BSL240-I signal line unit or to another control panel with a similar protocol between the control panel and the detector. The average service life of the detector is not less than 8 years. Overall dimensions of the detector - diameter 80x36 mm.
The weight of the detector is not more than 0.1 kg. The design of the detector provides a degree of protection shell IP30 according to GOST 14254.
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