Planning
Acoustic and optical configuration
4
29 | 56
Building Technologies
A6V10320094_m_en_--
Fire Safety
2017-10-31
No. Tone
Frequency pattern
Sweep from to
Pulse pattern
Adjustable max.
sound levels with
blanking plate (typ.
values in [dBA/1m]
1
)
Standards
at 12 V
at 32 V
11 Intermittent 970
Hz
89
92
ISO 8201
US Temporal Tone LF,
EN 54-3
12 Sweep-up
800 970 Hz
89
91
BS fire tone
13
Sweep-up,
continuous,
slow-whoop
150 1000
150 Hz
87
90
DE industrial alarm
31 Mute
Alarm sounder is switched off so that the DBS728 can be operated as an optical
indicator.
1
The sound level depends on the angle. See 'Annex technical data'
0.5 s
1.5 s
0
0.5 s
970 Hz
1/7 s
800 Hz
1000 Hz
10 s
150 Hz
40 s
10 s