Product Overview
26
SharpEye™
Ultra Fast UV/IR Flame Detector User Guide
2.4.3
False Alarm Prevention
To prevent false alarms, the detector will not alarm or react to the radiation
sources specified in Table 3.
Table 3: Immunity to False Alarm Sources
Radiation Source
Immunity
Distance ft/m
Indirect or reflected sunlight
IAD
Vehicle headlights (low beam) conforming to
MS53023-1
IAD
Incandescent frosted glass light, 300W
IAD
Fluorescent light with white enamel reflector, standard
office or shop, 70W (or 2 35W)
IAD
Electric arc [12mm /
15
/
32
”
gap at 4000V alternating
current, 60Hz]
IAD
Arc welding [6mm /
5
/
16
”
rod; 210A]
9.8/3
Ambient light extremes (darkness to bright light with
snow, water, rain, desert glare, and fog)
IAD
Bright colored clothing, including red and safety
orange
IAD
Electronic flash (180 watt-seconds minimum output)
IAD
Movie light, 625W quartz DWY lamp (Sylvania S.G.-55
or equivalent)
>6.5/2
Blue-green dome light conforming to M251073-1
IAD
Flashlight (MX 991/U)
IAD
Radiation heater, 3000W
IAD
Radiation heater, 1000W with fan
IAD
Quartz lamp (1000W)
12/4
Mercury vapor lamp
IAD
Grinding metal
3.3/1
Lit cigar
IAD
Lit cigarette
IAD
Match, wood, stick including flare up
3.3/1
Notes:
•
IAD = Immune at Any Distance
•
All sources are chopped from 0
–
20Hz.