4
Project engineering
Configuration
24
Building Technologies
010095_j_en_--
Fire Safety
2013-02-22
4.5
Configuration
The following chapters contain the specifications of the different tones and optical
indicators.
4.5.1
Alarm sounder
No.
Tone
Frequency pattern
Sweep from to
Pulse pattern
Adjustable sound
intensity levels (typ.
values in
[dBA/1m]
1
)
Norm
at 12 V at 32 V
1
Continuous
970 Hz
98
88
81
101
92
82
'evacuate'
BS 5839 Part 1
1988
2
Intermittent
950 Hz
96
87
79
100
91
81
'alert'
BS 5839 Part 1
1988
3
Sweep-down
1200 Hz 500 Hz
96
87
79
100
91
80
DIN tone
DIN 33404 Part 3
4
Slow-whoop
Sweep-up, linear
500 Hz 1200 Hz
97
88
81
101
92
82
NEN 2575
(Netherlands)
5
Pulse tone
500 Hz
94
85
75
97
88
75
Swedish Standard
SS 03 17 11, No. 1
'Imminent Danger'
6
Intermittent
500 Hz
93
84
75
96
87
75
Swedish Standard
SS 03 17 11, No. 6
'Local Warning'
7
Continuous
500 Hz
94
85
76
97
88
76
Swedish Standard
SS 03 17 11, No. 4
'All clear'
8
Alternating
560 Hz
440 Hz
94
85
75
98
89
76
'French fire sound'
NF S 32-001-1975
9
Intermittent
420 Hz
94
85
76
98
89
77
Australia 'Alert'
AS 2220 -1978
10
Slow-whoop
Sweep-up, linear
500 Hz 1200 Hz
3.75 s
0.25 s
96
89
81
100
93
82
Australia 'Action'
AS 2220 -1978
11
Intermittent
970 Hz
99
89
82
102
92
83
ISO 8201
US Temporal Tone
LF
