Description | en
Instructions for use | Flame 1500 7
The flame detector has three sensitivity settings to deliver flexibility in a
multitude of applications and to ensure detectors do not cross-vote.
The flame detector has, according to standard FM 3260, a high insensitivity to
frequent false alarms such as hot objects and hot work.
2.2.2 Field of view
The flame detector has a horizontal field of view of 90° and a vertical field of
view of 90°. The typical field of view and detectable range of a 0.1 m
2
n-
Heptane pan fire at standard sensitivity is illustrated below. 100 % = 30 m
2.2.3 Advanced optical verification
There are three infrared emitters located on the fascia of the detector which
emit light onto the internal and external surfaces of the sapphire lens. The
reflections of IR light are continually monitored by the detector and if they are
disturbed by contamination on the inside or outside of the lens, the detector
signals an optical fault.
The optics of the flame detector can also be checked using the
Dräger FS-5000 Flame Simulator (serial number of J01001 onwards).
2.2.4 Explosive atmosphere protection
The flame detector is certified for use in some potentially explosive
atmospheres (see "Approvals", page 8). The explosion protection approval is
valid for use of the device in gas/vapour-air mixtures of combustible gases and
vapours under atmospheric conditions. The explosion protection is not valid for
use in oxygen-enriched atmospheres.
Wax inhibitor (Clear 10) pan
fire
0.09 m
2
(1 ft
2
) pan
50 m (165 ft)
Anti-Foam (Surflo AF-300)
agent pan fire
0.09 m
2
(1 ft
2
) pan
50 m (165 ft)
Wood stack
0.09 m
2
(1 ft
2
) pan
50 m (165 ft)
n-Heptane pan fire
0.09 m
2
(1 ft
2
) pan
60 m (200 ft) Yes
n-Heptane pan fire in direct
sunlight
0.09 m
2
(1 ft
2
) pan
60 m (200 ft) Yes
n-Heptane pan fire in modu-
lated sunlight
0.09 m
2
(1 ft
2
) pan
60 m (200 ft) Yes
n-Heptane pan fire in the pres-
ence of arc welding
0.09 m
2
(1 ft
2
) pan
60 m (200 ft) Yes
n-Heptane pan fire in the pres-
ence of a 500 W lamp
0.09 m
2
(1 ft
2
) pan
60 m (200 ft) Yes
Gasoline pan fire
0.09 m
2
(1 ft
2
) pan
60 m (200 ft)
JP4 fire
0.09 m
2
(1 ft
2
) pan
60 m (200 ft) Yes
Methanol fire
0.09 m
2
(1 ft
2
) pan
42 m (136 ft)
Jet A-1 fire
0.09 m
2
(1 ft
2
) pan
35 m (115 ft)
Fuel Fire size Distance FM
certi-
fied
50295
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