
4 | AN307529759541en-000101 © Danfoss | DCS (vt) | 2019.06
Tone select
1.
Tone
Tone
select
Tone description Application mA @
12VDC
dB(A)
@1m,
90°,
12VDC
mA @
24VDC
dB(A)
@1m,
90°,
24VDC
0111111 Rising and falling 150 to 1000 to 150 Hz 10 s - 40 s - 10 s Highest 27 93 35 97
1011111 Alternating 800 & 970 Hz 2 Hz (250 ms - 250 ms) BS Fire 20 93,5 30 98
2101111 Rising 800 & 970 Hz 7 Hz (7/s) BS Fire 20 93 29 97
3001111 Rising 800 & 970 Hz 1 Hz (1/s) BS Fire 20 94 30 97
4110111 Constant tone 2850 Hz Continuous 18 88 23 95
5010111 Rising 2400 to 2850 Hz 7 Hz (7/s) 18 87 23 95
6100111 Rising 2400 to 2850 Hz 1 Hz (1/s) 17 87 23 96
7000111 Rising 300 to 1200 Hz 3s rising, 0.5s silence, then repeat Netherlands Fire (NEN 2575) 20 94 23 98
8111011 Falling 1200 to 500 Hz 1 Hz German Fire (DIN 33 404) 21 93 31 98
9011011 Alternating 2400 & 2850 Hz 2 Hz (250 ms - 250 ms) 18 87 24 95
10 101011 Interrupted 970 Hz 0.5 Hz (1s ON/ 1s OFF) PFEER alert 17 92 20 97
11 001011 Alternating 800 & 970 Hz 1 Hz (500 ms - 500 ms) BS Fire 20 93 30 97
12 110011 Interrupted 2850 Hz 0.5 Hz (1s ON/ 1s OFF) 17 88 21 96
13 010011 Interrupted 970 Hz 0.8 Hz (250 ms ON/1s OFF) 17 92 21 97
14 100011 Constant tone 970 Hz Continuous PFEER toxic gas 20 92 28 97
15 000011 Alternating 554 & 440 Hz 100 ms - 400 ms French Fire (NFS32-001) 22 91 35 96
16 111101 Interrupted 660 Hz 3.3 Hz (150 ms ON/150 ms OFF) Swedish (Air Raid) 18 91 26 96
17 011101 Interrupted 660 Hz 0.28 Hz (1.8 s ON/1.8 s OFF) Swedish (local warning) 18 91 23 96
18 101101 Interrupted 660 Hz 0.05 Hz (6.5 s ON/13 s OFF) Swedish (Pre-mess) 18 91 26 96
19 001101 Constant tone 660 Hz Continuous Swedish (All Clear) 20 91 31 96
20 110101 Alternating 554 & 440 Hz 0.5 Hz (1s ON/ 1s OFF) Swedish (Turn out) 22 91 35 96
21 010101 Interrupted 660 Hz 1 Hz (500 ms - 500 ms) Swedish common 20 91 21 96
22 100101 Interrupted 2850 Hz 4 Hz (150 ms ON/100 ms OFF) Pelican crossing 18 88 22 95
23 000101 Ansteigend 800 to 970 Hz 50 Hz BS Fire 21 90 30 96
24 111001 Ansteigend 2400 & 2850 Hz 50 Hz 20 85 25 93
25 011001 Interrupted 970 Hz 3 x 500 ms Pulse followed by 1.5 s
silence, then repeat
ISO 8201 19 92 23 97
26 101001 Interrupted 2850 Hz 3 x 500ms Pulse followed by 1.5 s
silence, then repeat
ISO 8201 19 88 23 95
27 001001 Constant tone 4000 Hz Continuous ISO 8201 19 90 23 95
28 110001 Alternating 800 & 970 Hz 2 Hz (250 ms - 250 ms) BS Fire 22 93 30 97
29 010001 Alternating 990 & 650 Hz 2 Hz (250 ms - 250 ms) BS Fire 23 92 35 97
30 100001 Alternating 510 & 610 Hz 2 Hz (250 ms - 250 ms) BS Fire 23 91 35 96
31 000001 Rising 300 to 1200 Hz 1 Hz 22 93 34 97
32 111110 Constant tone 4000 Hz Continuous BS Fire 20 91 25 96
33 011110 Constant tone 990 Hz Continuous 21 92 30 97
34 101110 Interrupted 990 Hz 1 Hz (500 ms ON/500 ms OFF) 19 92 21 97
35 001110 Constant tone 510 Hz Continuous 23 91 35 96
36 110110 Interrupted 510 Hz 1 Hz (500 ms ON/500 ms OFF) 20 91 22 96
37 010110 Constant tone 850 Hz Continuous 21 89 30 96
38 100110 Constant tone 1650 Hz Continuous 20 86 24 94
PFEER Prevention of Fire Explosion and Emergency Response
BS British Standard
DIN Deutsche Industrie Norm
ISO International Organisation of Standardization