The Fike FIK-IR3-AS11 is a triple IR (IR3) optical flame detector for ultra-fast, reliable detection of all types of hydrocarbon fire, visible and non-visible, in all weather and light conditions.
It handles slow-growing fires as well as sudden eruptions of fire with high immunity to false alarms, and has relay, 0-20 mA and Modbus RS-485 outputs. This version has M25 conduit openings.
Key features
- Triple IR (IR3) detection of hydrocarbon fires
- Ultra-fast mode detects fireballs or explosions within 40 ms
- Extreme sensitivity: detects a 0.1 m² n-heptane pan fire at up to 80 m
- 1.3 s detection of a 0.1 m² n-heptane pan fire at up to 15 m
- High immunity to false alarm sources such as sunlight, arc welding, lamps and heaters
- Data/event logger records alarms, faults and other events in non-volatile memory
- Built-in test (automatic and manual) of window cleanliness and overall detector operation
- Window heater to prevent condensation and icing
- Tilt mount (FIK-TMO-S01, ordered separately) can be fitted above or below the detector
Technical specifications
- Part number: FIK-IR3-AS11 (M25 conduit openings)
- Detection: 40 ms for fast burst of explosion; 2.6 s for 0.1 m² pan fire at 0 to 30 m; 3.7 s at 30 to 70 m
- Field of view (IR): 90° horizontal, 75° vertical
- Time delay: 0 to 30 seconds (adjustable)
- Built-in test: automatic or manual
- Operating voltage: 24 VDC nominal (18 to 32 VDC)
- Current consumption: standby 120 mA; 180 mA with all systems operating (including window heater)
- Outputs: volt-free relays rated 2 A at 30 VDC (alarm normally open, fault normally closed); 0-20 mA stepped current output (3-wire and 4-wire, sink and source); Modbus RTU on RS-485
- Indication: tri-colour LED
- Conduit entries: 2 x M25 x 1.5
- Wiring: 12 to 20 AWG (2.5 to 0.35 mm²)
- Size: 140 x 90 x 90 mm
- Operating temperature: -55°C to +75°C (option to +85°C)
- Humidity: up to 99% RH, non-condensing
- Weight: detector (stainless steel 316) 3.0 kg; tilt mount 1.5 kg
- Ingress protection: IP66 and IP68 (2 m, 24 h); NEMA 4X and 6P
- Approvals: ATEX, IECEx and FM/FMC explosion proof; performance to ANSI FM 3260 and EN 54-10
- Warranty: 5 years
