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12) Light output for Fire alarm use
In order to meet the requirements for UL1971, (D2xB1LD3DC024 only when used without plastic lens cover or wire guard), the
installation must be carried out to the correct NFPA standards and guidelines.
12.1
Horizontal Light Output Dispersion for wall mounting – public mode
Viewing Angle
0º
5º
10º
15º
20º
25º
30º
35º
40º
45º
50º
55º
60º
65º
70º
75º
80º
85º
90º
45º Compound
_______________________________________________________________________________________________________________________________
European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH
Document No. D211-00-471-IS
30°
45°
60°
75°
90°
Fig. 9 – Horizontal dispersion angles for wall mounting
Table 2 - Horizontal Light Output Dispersion for Wall Mounting
Intensity (cd) at
% of Rating
1Hz flash rate
80.1
100
72.1
90
72.1
90
72.1
90
72.1
90
72.1
90
60.1
75
60.1
75
60.1
75
60.1
75
44.1
55
36.0
45
32.0
40
28.0
35
28.0
35
24.0
30
24.0
30
20.0
25
20.0
25
19.2
24
Issue 2
02-03-2020
0°
15°
15°
30°
45°
60°
75°
90°
Intensity (cd)
at 1.33Hz flash
rate
77.1
69.4
69.4
69.4
69.4
69.4
57.8
57.8
57.8
57.8
42.4
34.7
30.8
27.0
27.0
23.1
23.1
19.3
19.3
18.5
Sheet 6 of 8
Intensity (cd)
Intensity (cd)
at 1.5Hz flash
at 2Hz flash
rate
rate
77.3
82.1
69.5
73.9
69.5
73.9
69.5
73.9
69.5
73.9
69.5
73.9
58.0
61.6
58.0
61.6
58.0
61.6
58.0
61.6
42.5
45.2
34.8
37.0
30.9
32.9
27.0
28.8
27.0
28.8
23.2
24.6
23.2
24.6
19.3
20.5
19.3
20.5
18.5
19.7
sales@e2s.com
Tel: +44 (0)208 743 8880
www.e2s.com
Fax: +44 (0)208 740 4200
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