FSL100 Series Flame Detectors 
Technical Handbook 
 
 
 
 
Performance per FM class 3260:2000   Operating temperature : -40 ºC
 
to +70 ºC 
 
 
Response characteristics 
 
n-Heptane 30 x 30 cm (1 sqft) 
Alcohol (Ethanol) 50 x 50 cm (20 inch by 20 inch) 
Methane plume 35 cm (1.1 ft) 1 Bar (15 psi) 5 cm (2”) diam. 
Propane plume 40 cm (1.3 ft) 0.5 Bar (7 psi) 1 cm (0.4”) diam. 
Sunlight, direct, reflected, unmodulated 
Sunlight, direct, reflected, modulated 
Shielded Quartz Halogen lamp 500 W unmodulated @ 2 m (7 ft) 
Shielded Quartz Halogen lamp 500 W modulated @ 2 m (7 ft) 
Shielded Fluorescent lamp 20 W unmodulated @ 2 m (7 ft) 
Shielded Fluorescent lamp 20 W modulated @ 2 m (7 ft) 
Electric Heater with fan 3000 W unmodulated @ 2 m (7 ft) 
Electric Heater with fan 3000 W modulated @ 2 m (7 ft) 
 
 
Response characteristics in the presence of unwanted alarm sources 
 
Sunlight, direct, reflected, unmodulated 
Sunlight, direct, reflected, modulated 
Shielded Quartz Halogen lamp 500 W 
n-Heptane 1 sqft @ 10 m (33 ft) 
Shielded Quartz Halogen lamp 500 W 
n-Heptane 1 sqft @ 10 m (33 ft) 
Shielded Fluorescent lamp 20 W 
n-Heptane 1 sqft @ 10 m (33 ft) 
Shielded Fluorescent lamp 20 W 
n-Heptane 1 sqft @ 10 m (33 ft) 
Electric Heater with fan 3000 W 
n-Heptane 1 sqft @ 10 m (33 ft) 
Electric Heater with fan 3000 W 
n-Heptane 1 sqft @ 10 m (33 ft) 
Arc welding @ 4 m (13 ft) 
n-Heptane 1 sqft @ 10 m (33 ft) 
horizontal and vertical: 90º 
at least 70% at +45º or -45º 
at least 70% at +45º or -45º 
at least 50% at +45º or -45º 
horizontal and vertical: 90º 
at least 70% at +45º or -45º 
at least 70% at +45º or -45º 
at least 50% at +45º or -45º 
horizontal and vertical: 90º 
at least 70% at +45º or -45º 
at least 70% at +45º or -45º 
at least 70% at +45º or -45º 
horizontal and vertical: 90º 
at least 70% at +45º or -45º 
at least 70% at +45º or -45º 
at least 70% at +45º or -45º 
 
 
Field of view: <90º, 50% @ 45º        Field of view: <90º, 70% @ 45º