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European Safety Systems Ltd.
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Document No. D211-00-611-IS-SC Issue: E 02-03-2020 Sheet 11 of 13
17)
Sound Directional Characteristics for Canadian Fire CAN/ULC-S525
Horizontal Axis
Angle OSPL
Angle OSPL
Reference (90°) 101.2
dB(A) Reference
(90°) 101.2
dB(A)
115° -3
dB(A) 68°
-3
dB(A)
129° -6
dB(A) 55°
-6
dB(A)
180° 92.4
dB(A) 0°
92.4
Vertical Axis
Angle OSPL
Angle OSPL
Reference (90°) 101.5
dB(A) Reference
(90°) 101.5
dB(A)
123° -3
dB(A) 65°
-3
dB(A)
137° -6
dB(A) 50°
-6
dB(A)
180° 91
dB(A) 0°
88.5
dB(A)