Notification Appliances—CH Series Chimes and Strobe Chimes 9
Table 4: Vertical Plane Light Distribution
Vertical
15 cd
15 cd*
30 cd
75 cd
Angle
Off the Axis of
the Strobe
(in Degrees)
Minimum
Candela
Required
per
UL 1971**
Typical
LS
Typical
LSM
Minimum
Candela
Required
per
UL 1971**
Typical
MS
Minimum
Candela
Required
per
UL 1971**
Typical
IS
0
15.0
21
100
30.0
42
75.0
90
5
13.5
21
100
27.0
42
67.5
88
10
13.5
21
100
27.0
42
67.5
87
15
13.5
20
100
27.0
40
67.5
83
20
13.5
19
100
27.0
38
67.5
79
25
13.5
19
98
27.0
38
67.5
74
30
13.5/11.3
18
96
27.0/22.5
36
67.5/56.3
70
35
9.8/11.3
18
94
19.5/22.5
36
48.8/56.3
68
40
6.9/11.3
16
92
13.8/22.5
32
34.3/56.3
66
45
5.1/11.3
14
90
10.2/22.5
28
25.5/56.3
63
50
4.0/8.3
12
84
8.1/16.5
24
20.0/41.3
59
55
3.3/6.8
12
77
6.6/13.5
24
16.3/33.8
54
60
2.7/6.0
9
70
5.4/12.0
18
13.5/30.0
52
65
2.4/5.3
8
63
4.8/10.5
16
12.0/26.3
40
70
2.3/5.3
8
56
4.5/10.5
16
11.3/26.3
31
75
2.0/4.5
8
50
4.0/9.0
16
10.0/22.5
29
80
1.8/4.5
8
30
3.6/9.0
16
9.0/22.5
29
85
1.8/3.8
8
20
3.6/7.5
16
9.0/18.8
28
90
1.8/3.8
8
8
3.6/7.5
16
9.0/18.8
24
* 15 cd models are listed at 15 cd and meet the Americans with Disabilities Act (ADA) requirement of
75 cd on the axis.
** Wall/Ceiling Mounting
Table 5: Flashes per Second Across the Rated Voltage Range
Models
Volts
20
22
24
26
28
31
LS
DC
1.0
1.1
1.3
1.4
1.5
1.7
FWR
1.0
1.1
1.3
1.4
1.6
1.8
LSM
DC
1.0
1.2
1.3
1.4
1.5
1.6
FWR
1.0
1.2
1.3
1.4
1.5
1.7
MS
DC
1.0
1.1
1.2
1.4
1.5
1.6
FWR
1.0
1.1
1.2
1.4
1.4
1.6
IS
DC
1.1
1.2
1.3
1.3
1.4
1.5
FWR
1.0
1.1
1.2
1.3
1.3
1.4
Note:
ADA guidelines presently specify a flash rate of one to three flashes per second.
