FSL100 Series Flame Detectors 
Technical Handbook 
FSL100 General Specifications 
Temperature, Operating, ATEX/IECEx/FM 
-25 °C to +70 °C (-13 °F to +158 °F) 
Temperature, Operating, Safe Areas 
-40 °C to +70 °C (-40 °F to +158 °F) 
-40 °C to +70 °C (-40 °F to +158 °F) 
0 – 95 %RH, non-condensing 
Automatic and Manual Self-Test 
Automatic Sensor Test (Built in Self-Test) and manual self-test 
GRP, Non-Incendive. UV resistant, Self-Extinguishing V-0 (UL-94). 
PA66 (UV Resist.), 316 SS (Fixings) 
125 x 80 x 57 mm (4.9 x 3.15 x 2.25 inch) 
465 gram (1.05 lb) 
745 g (1.67 lb) with optional mounting 
cores 0.5 to 1.5 mm
2
 (20 to 16 AWG) 
 
Pressure Compensating Element 
The Pressure Compensating Element (PCE) helps prevent moisture 
build up inside the detector housing caused by ambient fluctuation 
Suitable for cores 0.5 to 1.5 mm
2 
(20 to 16 AWG), tightening torque 
0.4 Nm (0.3 ft/lb) 
FSL100-IR3 Flame Detector: Class 1 
FSL100-UV Flame Detector: Class 2 
FSL100-UVIR Flame Detector: Class 2 
FSL100-IR3 Flame Detector: ATEX zone 2/22 
FSL100-UV Flame Detector: ATEX zone 2/22 
FSL100-UVIR Flame Detector: ATEX zone 2/22 
FSL100-IR3 Flame Detector 
FSL100-UV Flame Detector 
FSL100-UVIR Flame Detector 
FSL100-IR3 Flame Detector: Non-Incendive, Class 1,2 & 3 Div 2 
FSL100-UV Flame Detector: Non-Incendive, Class 1,2 & 3 Div 2 
FSL100-UVIR Flame Detector: Non-Incendive, Class 1,2 & 3 Div 2 
FLS100 Series is RoHS compliant 
Table 3. FSL100 General Specifications