Acousto-optic fire alarm is on-site acousto-optic alarming device which is in compliance with requirements of GB26851-2011, and is able to receive the order to start sent by the fire alarm controller (linkage-type) through bus, and it then flickers strong light periodically and tuned fire alarm to attract attention of people on-site.
· Electronically encoded with only one ID; online addressing by controller or addressing by encoder; automatic log-in, convenient installation and debugging.
· Shut-off detection.
·Working temperature: －10℃ ～ +55 ℃; relative humidity: ≤95% RH (No condensation of moisture)
·Bus voltage: 24V Pulsating voltage; supply voltage: DC 24V±1015%
· Bus standby current: ＜0.5mA; operating current: ≤1.5mA
· Supply standby current: ≤ 1mA; operating current: ≤75mA (means value)
· Pressure level of alarm: 3m right ahead 75dB～95dB (A-weighting)
· Tuning cycle: 1.5s～2.5s
· Flickering frequency: 1Hz～1.5Hz
· Classification: Indoor (for non-residential buildings)
· Bus (non-polarized) length: ≤2000m
· Wiring system: Two-wire bus (non-polarized), power supply (non-polarized)
· Protection level of casing: IP30
· Casing material & color: ABS; red
· Pitch-row of the base: 54mm ~78mm
· Carried standard: GB26851-2011 Fire Acoustic and / or Optic Alarm
