Annex technical data
Tones and sound levels of the interbase
9
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Building Technologies
A6V10320094_m_en_--
Fire Safety
2017-10-31
9.1.1 DBS721 and DBS729 tones
The tables below illustrate the beam characteristics at the maximum sound level.
All of the sound levels specified are minimum values.
Minimum sound level measured in dBA/1 m (DC 12...33 V)
Tone No. 1: Continuous
Sound level Horizontal
Vertical
15°
45°
75°
105°
135°
165°
15°
45°
75°
105°
135°
165°
0 (min.)
77
72
84
84
72
74
78
72
84
82
71
77
Tone No. 2: Intermittent
Sound level Horizontal
Vertical
15°
45°
75°
105°
135°
165°
15°
45°
75°
105°
135°
165°
0 (min.)
82
74
85
85
74
78
84
74
85
85
73
80
Tone No. 3: Sweep-down
Sound level Horizontal
Vertical
15°
45°
75°
105°
135°
165°
15°
45°
75°
105°
135°
165°
0 (min.)
79
74
83
83
75
77
81
74
83
82
73
79
Tone No. 4: Slow-whoop Sweep-up, linear
Sound level Horizontal
Vertical
15°
45°
75°
105°
135°
165°
15°
45°
75°
105°
135°
165°
0 (min.)
82
75
84
83
76
79
82
74
84
83
74
81
Tone No. 5: Pulse tone
Sound level Horizontal
Vertical
15°
45°
75°
105°
135°
165°
15°
45°
75°
105°
135°
165°
0 (min.)
75
70
78
79
71
73
76
70
78
78
68
75
Tone No. 6: Intermittent
Sound level Horizontal
Vertical
15°
45°
75°
105°
135°
165°
15°
45°
75°
105°
135°
165°
0 (min.)
74
69
78
78
71
73
75
70
78
77
68
74