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9. Technical Information
Voltage Current Characteristics
Operating Voltage
Normal Operating Current
Current in Alignment/Targeting Modes
Parameter
Alarm attenuations: 44%, 50% and 58%
Delay to Pre-alarm (threshold=84%)
Delay to Fault
Operating Distance (Separation between Detector and
Reflector) (4 reflectors required for >50m, >164ft)
Rapid Obscuration Fault Threshold
Maximum angular alignment range of detector
Tolerance to beam misalignment (per EN54-12) – Detector
Tolerance to beam misalignment (per EN54-12) – Reflector
Optical Wavelength
Operating Temperature
Storage Temperature
Relative Humidity (non-condensing)
IP rating (Cat 2)
Cable gauge
Housing flammability rating
Line-type smoke detector type FDL242 shall not be used in systems or components intended for
triggering or control of extinguishing systems.
12
20
33
3.7
2.5
1.5
5.5
11.3
7.2
Minimum
Typical
Maximum
44
58
58
-
10
-
-
10
-
5
-
120
16
394
-
≥98
-
-
-
±4.5
-
±0.5
-
-
±5
-
-
850
-
-20
-
+55
-40
-
+85
-
-
93
-
53
-
0.2
-
1.5
-
UL94 V-0
-
Unit
V
mA
mA
Unit
%
s
s
m
feet
%
Deg
Deg
Deg
nm
°C
°C
%RH
IP
mm
2
-
Page 24
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