4.6.2 False Alarm Immunity - Honeywell FS20X Series Installation Manual And Operating Manual

Fire and flame detectors multi-spectrum infrared / ultraviolet electro-optical multi-spectral digital wideband ir sensor with ultraviolet phototube

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Additional Performance Specifications

4.6.2 False Alarm Immunity

The following tables represent the minimum distance at which the Detector did not false alarm or show

any signs of instability during exposure to the sources listed below. Additionally, the sensitivity to a

one square foot n-Heptane reference pan fire in the presence of the false fire source is listed.

False Fire Source

Direct Sunlight

Modulated Sunlight

Modulated Arcwelding

Continuous Arcwelding

Resistive Electric Heater

Flourescent Lamp

Halogen Lamp

Sodium Vapor Lamp

Pelican Flashlight

Incandescent Lamp

Honeywell

Installation Guide and Operating Manual // Model FS20X™ Series

(continued)

Minimum Distance

with no Alarm

No Alarm

9 feet 9 inches / 3 meters

1 foot / 30.48 centimeters

Sensitivity to a 1' x 1' n-Heptane

reference pan fire in the

presence of the false fire source

50 feet /15.24 meters

25 feet / 7.62 meters

Source at 30 feet / 9.14 meters

Fire at 30 feet / 9.14 meters

Source at 30 feet / 9.14 meters

Fire at 30 feet / 9.14 meters

Source at 3 feet / 91.44 centimeters