Honeywell FS20X Series - Field of View Restrictor

15
FS20X Fire and Flame Detectors
Test lamp TL-2055
Model TL-2055 is designed for handheld testing of FSX detectors in hazardous
locations. The test lamp, shown in Figure 4, is explosion-proof and carries Class I,
Division 1 approval. It also is supplied with a universal, 110VAC/220VAC charger.
Figure 4. TL-2055 handheld test lamp (Class I, Division 1)
In normal operation, an FS20X detector will alarm to a fully charged TL-2055 test
lamp at a distance of 1 to 25 feet. This complies with NFPA 72 codes.
Test lamps do not represent one-square-foot fires; they demonstrate that a
detector will respond to radiant energy sources within its field of view.
N OT I C E
Field of View Restrictor
Certain specialized applications may require a restricted field of view in order to
prevent the detector from alarming to a known (friendly) fire/flame source such as a
flare stack. The model FVR-01 field-of-view restrictor (Figure 5) has been developed
for these unique applications. The restrictor can be easily modified in the field with a
hacksaw. Use of the restrictor has not been certified to the EN54-10 standard.
Figure 5. FOV-01 eld of view restrictor