General Monitors FL4000H Multi-Spectrum IR Flame Detector

Code: FL4000H-1-0-1-3-1-1-1
  • Multi-Spectrum IR (MSIR) sensor array
  • With increased range and a wide field of view
  • Multiple communication outputs

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The FL4000H is obsolete and has been replaced by the FL5000 flame detector.

The General Monitors FL4000H is an advanced multi-spectrum flame detector designed to provide superior false alarm immunity with the widest field of view. The FL4000H employs a state-of-the-art multi-spectrum infrared (MSIR) sensor array with a sophisticated Neural Network Technology (NNT) system.

The FL4000H is designed to detect typical fires such as those produced by alcohol, n-heptane, gasoline, jet fuels and hydrocarbons. In addition, the FL4000H can see through dense smoke produced by diesel, rubber, plastics, lube oil, and crude oil fires.

The NNT flame discrimination algorithm classifies the output signals from the MSIR sensor array as either fire or non-fire. The MSIR/NNT combination is highly immune to false alarms caused by lightning, arc welding, hot objects, and other sources of radiation.

The FL4000H’s electronics are housed in a stainless steel explosion-proof enclosure. The detector is available with the following output configurations:

  • 4-20 mA stepped output
  • Dual serial communications
  • HART communication
  • Warning, alarm and fault relays

The serial communication port(s) allow 128 units (247 using repeaters) to be linked to a host computer using the Modbus RTU protocol. The communication registers provide alarm status, fault information, and other details for operating, troubleshooting, or programming the unit.

The COPM (Continuous Optical Path Monitoring) self-test checks optical path integrity (window cleanliness) and the detector’s electronic circuitry every two minutes.

Features

  • Neural Network Technology (NNT) offers superior false alarm immunity.
  • Continuous Optical Path Monitoring (COPM) checks optical path integrity and the detector’s electronic circuitry.
  • Event logging for a stand-alone diagnostic tool.
  • Test mode (with test lamp) is used to check all outputs.

Spares

10242703 = FL4000H to FL5000 Upgrade Kit
712005-1 = optical assembly w/configuration kit FL4000h
712005-2 = optical assembly hart w/configuration kit FL4000h
712005-3 = optical assembly hart 1.25 w/configuration kit FL4000h
71281-1a = field wiring board for FL4000h w/relays
71281-2a = field wiring board for FL4000h w/o relays

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Title Size
FL4000H Datasheet 257 KB
FL4000H Configurator 84 KB

Additional information

Weight 0.190 kg

Specifications

System Specifications
SPECTRAL RANGE 2-5 microns (IR)
MAXIMUM RANGE 230 ft. (70 m)*
TYP. RESPONSE TIME ≤ 10 s
MIN. ARC WELDING IMMUNITY DISTANCE 5-15 ft. (1.5-4.6 m) depending on rod
MAX. FIELD OF VIEW 100° @ 100 ft; 90° @ 210 ft.†
ACCESSORIES Test lamp, mounting bracket
CLASSIFICATION Class I, Div 1, Groups B, C, D
Class II, Div 1, Groups E, F, G
Class III, Type 6P
Ex d IIC T5 Gb
Ex tb IIIC, T100°C Db, IP66/67
HART Registered
SIL 3 Suitable (FM)
WARRANTY Two years
APPROVALS CSA, FM, ULC, ATEX, IECEx, EN 54-10,
MED, DNV-GL, VNIIPO, GOST, Inmetro, CE
Environmental Specifications
OPERATING/STORAGE -40° F to +176° F
TEMPERATURE RANGE (-40° C to +80° C)
OPERATING HUMIDITY RANGE 10% to 95% RH, non-condensing
Mechanical Specifications
HOUSING 316 stainless steel
HEIGHT 4.3” (109 mm)
DIAMETER 5.4” (137 mm) base
3.5” (89 mm) optical housing
WEIGHT 7.9 lbs (3.6 kg)
MOUNTING Stainless steel mounting bracket
CABLE ENTRY 2 x ¾” NPT
Electrical Specifications
INPUT POWER 20-36 VDC
24 VDC @ 150 mA (4.4 W)
ANALOG SIGNAL 0-20 mA (600 ohms maximum)
3.5-20 mA (HART)
FAULT MODE 0 mA to 0.2 mA
TEST MODE 1.5 mA, ± 0.2 mA
COPM FAULT 2 mA, ± 0.2 mA
READY MODE 4.3 mA, ± 0.2 mA
WARN MODE 16 mA, ± 0.2 mA
ALARM MODE 20 mA, ± 0.2 mA
RELAY CONTACT RATING 8A @ 250 VAC, 8A @ 30 VDC resistive maximum
EMC Complies with EN 61000-6-4 and EN 50130-4
RS-485 OUTPUT Modbus RTU, suitable for linking up to 128 units and 247 units with repeaters
BAUD RATE 2400, 4800, 9600, 19200, or 38400 bit/s
HART HART 6, HART Device Description
Language available. AMSaware
STATUS INDICATORS Two LEDs with status and fault cues
FAULT MONITORING RAM, EPROM and EEPROM checksum errors, optics failure/blockage and low supply voltage
CABLE REQUIREMENTS 3 wire shielded cable minimum configuration
Maximum distance between FL4000H and power source or remote sensor @ 24 VDC nominal (20 ohm loop): 14 AWG – 3,000 ft (930 m)
Maximum distance for analog output (250 ohms max): 14 AWG – 9,000 ft. (2,750 m)

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