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4.5
Field of View Restrictor
There are some unique and specialized applications that may require a restricted field of view in order to
prevent the Detector from alarming to a known (friendly) fire/flame source (such as a flare stack). The Model
FVR-01 Field-of-View Restrictor is easily modified in the field with a simple hack saw to obtain custom
Detector field-of-views for applications where specific narrow field-of-views are required. The Model FVR-01
Detector accessory has been developed specifically for these unique types of applications. Use of the
restrictor has not been certified to the EN54-10 standard.
4.6
Additional Performance Specifications
4.6.1
Flame Response Sensitivity
The following table provides FS24X typical INDOOR response times and distance to various fuels:
Fuel
N-Heptane
Acetylene
Cardboard (
Diesel
Ethanol
IPA
JP-4
JP-8
Methane
Methanol
Paper
Silane
The following table provides FS24X typical OUTDOOR response times and distance to various fuels:
Fuel
N-Heptane
N-Heptane
Diesel
Ethanol
IPA
Methane
Methanol
Paper (8½ x 11 sheets)
Pine Needles
Wood
Honeywell
FS24X QuadBand (Very High [4] Sensitivity)
Fire Size
6 in X 6 in (0.15m X 0.15m)
48 in X 3/8 in (1.2 meter) Plume
)
7.5 x 7.5 x 7.5 in (191 x 191 x 191 mm)
single 1/8in wall
6 in X 6 in (0.15m X 0.15m)
12 in X 12 in (0.3m X 0.3m)
6 in X 6 in (0.15m X 0.15m)
6 in X 6 in (0.15m X 0.15m)
6 in X 6 in (0.15m X 0.15m)
48 in X 3/8 in (1.2 meter) Plume
12 in X 12 in (0.3m X 0.3m)
24 Standard 8.5 x 11 sheets
1 foot (0.3 meter) Plume
FS24X QuadBand (Very High [4] Sensitivity)
Fire Size
12 in X 12 in (0.3m X 0.3m)
12 in X 12 in (0.3m X 0.3m)
12 in X 12 in (0.3m X 0.3m)
12 in X 12 in (0.3m X 0.3m)
12 in X 12 in (0.3m X 0.3m)
48 in X 3/8 in (1.2 meter) Plume
12 in X 12 in (0.3m X 0.3m)
Shredded (loosely packed) 1 foot cube
12 in X 12 in (0.3m X 0.3m)
12 in X 12 in (0.3m X 0.3m)
Installation and Operating Manual
Typical
Distance
Response
90 feet (27 meters)
5 seconds
90 feet (27 meters)
< 5 seconds
90 feet (27 meters)
< 8 seconds
90 feet (27 meters)
5 seconds
60 feet (18 meters)
< 5 seconds
90 feet (27 meters)
< 8 seconds
90 feet (27 meters)
< 5 seconds
90 feet (27 meters)
< 5 seconds
90 feet (27 meters)
< 5 seconds
60 feet (18 meters)
< 5 seconds
90 feet (27 meters)
< 8 seconds
15 feet (4.5 meters)
< 5 seconds
Typical
Distance
Response
200 feet (61 meters)
4.2 seconds
264 feet (80 meters)
< 15 seconds
150 feet (45.75 meters)
< 5 seconds
75 feet (26 meters)
< 5 seconds
175 feet (53 meters)
< 5 seconds
90 feet (27 meters)
< 8 seconds
60 feet (18 meters)
< 5 seconds
50 feet (15 meters)
< 8 seconds
50 feet (15 meters)
< 8 seconds
90 feet (27 meters) 50
< 6 seconds
feet (15 meters)
25
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