FSL100 Flame Detectors

Overview

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Key features

UV, UV/IR and IR3 Flame Detectors to cover a wide range of applications
Robust, simple to install & set-up: Wide angle and fast speed of response
Automatic test and test lamps for simple check and maintenance.

Applications

Confined space entry
Oil, gas and petrochemical
Wastewater and sewage
Steel and chemical plants

Standards and certification

Supplier: ISO 9001:2015 certified

PRODUCT DATASHEETDoc. SSLS/DS/GD-023 · Rev. 01 · 13-Oct-2026

FSL100 Flame Detectors – technical data

Technical specifications

Brand	Honeywell
Alarm Settings	Factory Setting: Latching / Selectable LEDs and Relays Latching/Non-Latching
Visual Indicators	Continuous Green: Normal Operation / Continuous Red: Alarm / Continuous Yellow: Fault / Flashing Yellow: Fault and Guide to Repeat Self-Test after a Self-Test Failure
Replacement Parts	FSL100-TLBT: 12 VDC Battery for FSL-TL Test Lamp / FSL100-TLBU: H3 Light Bulb for FSL-TL Test Lamp / FSL100-TLCH: Universal Charger Kit for FSL-TL Test Lamp
Weight range	465 g
Dimension	4.9 in x 3.15 in x 2.25 in
Sensor Range	IR3: 110ft / UV and UV/IR: 80ft
Relay Output Configuration	Alarm Relay: De-Energized During Normal Operation, No Alarm, SPDT, 30 VDC - 2A, 60W Max / Fault Relay: Energised During Normal Operation, No Fault, SPDT, 30 VDC-2A, 60W max
Sensing Method	IR3 / UV/IR
Mounting	Swivel Bracket Assembly
Warm Up Time	<10 sec
Field of View	90˚
Enclosure Rating	Self-Extinguishing V-0 (UL-94)
Conduit Entries	M20
Minimum Temperature	-40˚C
Operating Current	4 to 20 mA
Power Requirement	10 to 28 VDC
Ingress Protection	IP65
Enclosure Material	Glass Reinforced Polyester (GRP)
Industry	Energy

PRODUCT DATASHEETDoc. SSLS/DS/GD-023 · Rev. 01 · 13-Oct-2026

FSL100 Flame Detectors – ordering and care

Ordering information

Brand	Honeywell

Inspection and care

Keep sensors and filters clean, charge batteries as directed and record bump tests and calibrations.

Storage

Store in a cool, dry place away from direct sunlight, heat and chemicals.

Data given in good faith from manufacturer information and subject to change without notice. Select PPE based on a site risk assessment. Scan the code for the product page.