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The horn – DB3B UL
English
9
Alt Tones 2400/2850Hz at 2Hz
10
Int Tone of 970Hz at 1Hz
11
Alt Tones 800/970Hz at 7/8Hz
12
Int Tone at 2850Hz at 1Hz
13
970Hz at 1/4 sec on 1 sec off
14
Continuous at 970Hz
15
554Hz for 0.1S/440Hz for 0.4S
16
Int 660Hz 150 mS on 150 mS off
17
Int 660Hz 1.8 sec on 1.8 sec off
18
Int 660Hz 6.5 sec on 13 sec off
19
Continuous 660Hz
20
Alt 554/440Hz at 1Hz
21
Int 660Hz at 7/8Hz
22
Int 2850Hz 150 mS on 100 mS off
23
Sweep 800-970Hz at 50Hz
24
Sweep 2400-2850Hz at 50Hz
25
3x970Hz pulses 0.5 off, 1.5 off
26
3x2850Hz pulses 0.5on/0.5off, 1.5 off
27
Int 3100Hz 0.32s on/0.68s off
28
Continuous 1400Hz
29
Spare/Custom tone
30
Spare/Custom tone
31
Spare/Custom tone
32
Spare/Custom tone
Sound Pressure Output
Audibility ratings according to UL464 and sound pressure level according to CAN/ULC-S525 are as below tested on tones
4, 14, 19 and 28:
Flare option
Tone no.
Long Flare
4
Long Flare
14
Long Flare
19
Long Flare
28
Short Flare
4
Short Flare
14
Short Flare
19
Short Flare
28
Directional Characteristics
SPL directional characteristics as measure in accordance with CAN/ULC-S525, measured on Tone 19.
Angle
oSPL (dBA)
Short Flare Version horizontal Axis
Reference (90º)
89.9
139
86.9 (-3 dBA)
148
83.9 (-6 dBA)
180
81.8
Short Flare Version Vertical Axis
Reference (90º)
89.8
143
86.8 (- 3 dBA)
150
83.8 (- 3 dBA)
180
82.2
6
The horn – DB3B UL TM261 April 2020 www.eaton.com
10111
T14
10110
T14
10101
T14
10100
T14
10011
T14
10010
T28
10001
T14
10000
T14
01111
T14
01110
T14
01101
T14
01100
T14
01011
T14
01010
T14
01001
T14
01000
T14
00111
T14
00110
T14
00101
T14
00100
T14
00011
00010
00001
00000
Audibility rating UL464
(dBA at 10ft)
84.9
95.4
92.5
96.8
85.4
94.2
83.2
96.1
Angle
Reference (90ºC)
46
35
0º
Reference (90º)
47
35
0º
T10
T1
T8
T12
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
T10
T1
T8
CAn/ULC-S525
(dBA at 3m)
96.9
99.4
92.2
105.4
94.6
94.9
88.3
101.5
oSPL (dBA)
89.9
86.9 (-3 dBA)
83.9 (-6 dBA)
81.5
89.8
86.8 (-3 dBA)
83.8 (-6 dBA)
81.2
T14
T14
T14
T14
T14
T28
T14
T14
T14
T14
T14
T14
T14
T14
T14
T14
T14
T14
T14
T14
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