EPS IPES-IR3 - False Stimuli Exposure; Field of View

820-0003
IPES IR3 Flame Detector
Operating Manual
Page 10 of 37
False Stimuli
Exposure
When the IPES‐IR3 is exposed to the fires specified above, and are in the presence of the following false stimuli sources –
modulated at approximately 1.5 Hz, and un‐modulated – no false alarm activation or instability occurs at the minimum
distances listed below.
Source
Distance
1.5 kW Heater
36 inches (0.9 m)
Arc welder, 200A, 3/16” – 7018
electrode
9.0 feet (3.7 m)
Fluorescent, (2) 20W (6000 Lux)
0 inches (0 m)
Halogen, 500W
36 inches (0.9 m)
Incandescent, 100W (2000 Lux)
12 inches (0.3 m)
Direct sunlight
Detectors not affected by frequency
range of visible light
Indirect sunlight
Detectors not affected by frequency
range of visible light
Field of View
The IPES‐IR3 has a 90° cone of vision (horizontal) with the highest sensitivity lying along the central axis
X= Distance in Ft Y= Angle of Vision
Refer to Section 7.0 for testing method