Model FS24X
™
Fire and Flame Detectors
INSTALLATION GUIDE and OPERATING MANUAL
Fire Sentry Corporation
Document No. 6178-001 - Rev. Q
© Copyright 2011
All Rights Reserved
Page 19
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:
FS24X QuadBand (Very High [4] Sensitivity)
Fuel
Fire Size
Distance
Typical
Response
N-Heptane
6 in X 6 in (0.15m X 0.15m)
90 feet (27 meters)
5 seconds
Acetylene
48 in X 3/8 in (1.2 meter) Plume
90 feet (27 meters)
< 5 seconds
Cardboard (
single 1/8in wall
)
7.5 x 7.5 x 7.5 in (191 x 191 x 191 mm) 90 feet (27 meters)
< 8 seconds
Diesel
6 in X 6 in (0.15m X 0.15m)
90 feet (27 meters)
5 seconds
Ethanol
12 in X 12 in (0.3m X 0.3m)
60 feet (18 meters)
< 5 seconds
Hydrogen
48 in X 3/8 in (1.2 meter) Plume
90 feet (27 meters)
< 5 seconds
IPA
6 in X 6 in (0.15m X 0.15m)
90 feet (27 meters)
< 8 seconds
JP-4
6 in X 6 in (0.15m X 0.15m)
90 feet (27 meters)
< 5 seconds
JP-8
6 in X 6 in (0.15m X 0.15m)
90 feet (27 meters)
< 5 seconds
Methane
48 in X 3/8 in (1.2 meter) Plume
90 feet (27 meters)
< 5 seconds
Methanol
12 in X 12 in (0.3m X 0.3m)
60 feet (18 meters)
< 5 seconds
Paper
24 Standard 8.5 x 11 sheets
90 feet (27 meters)
< 8 seconds
Silane
1 foot (0.3 meter) Plume
15 feet (4.5 meters)
< 5 seconds
The following table provides FS24X typical OUTDOOR response times and distance to various fuels:
FS24X QuadBand (Very High [4] Sensitivity)
Fuel
Fire Size
Distance
Typical
Response
N-Heptane
12 in X 12 in (0.3m X 0.3m)
200 feet (61 meters)
4.2 seconds
N-Heptane
12 in X 12 in (0.3m X 0.3m)
264 feet (80 meters)
< 15 seconds
Diesel
12 in X 12 in (0.3m X 0.3m)
150 feet (45.75 meters)
< 5 seconds
Ethanol
12 in X 12 in (0.3m X 0.3m)
75 feet (26 meters)
< 5 seconds
Hydrogen
48 in X 3/8 in (1.2 meter) Plume
90 feet (27 meters)
5 seconds
IPA
12 in X 12 in (0.3m X 0.3m)
175 feet (53 meters)
< 5 seconds
Methane
48 in X 3/8 in (1.2 meter) Plume
90 feet (27 meters)
< 8 seconds
Methanol
12 in X 12 in (0.3m X 0.3m)
60 feet (18 meters)
< 5 seconds
Paper (8½ x 11 sheets)
Shredded (loosely packed) 1 foot cube
50 feet (15 meters)
< 8 seconds
Pine Needles
12 in X 12 in (0.3m X 0.3m)
50 feet (15 meters)
< 8 seconds
Wood
12 in X 12 in (0.3m X 0.3m)
90 feet (27 meters)
< 6 seconds
4.6.2
High Temperature Response
The optional extended temperature range FS24X Detectors will respond to a one (1) sq. ft. n-heptane
reference fire at a distance of 35 feet in 2 to 5 seconds, when the temperature exceeds 85°C.