The Fireye 65UV5-1004EQD is an advanced ultraviolet flame scanner with integrated safety relay, designed for critical combustion monitoring in industrial burner management systems. As part of Fireye’s 65UV5 series flame detectors, this device provides <500ms flame failure response time through quad-element UV tube technology, specifically engineered for multi-fuel burners in refinery process heaters. The 65UV5-1004EQD combines flame signal processing and safety relay functions in a single NEMA 4X enclosure, eliminating external relay cabinets in confined space installations like marine engine rooms.
Featuring automatic sensitivity compensation, this scanner maintains stable detection performance despite quartz window contamination in biomass boiler applications. The Fireye 65UV5-1004EQD supports flame signature analysis through its RS-485 Modbus interface, enabling predictive maintenance diagnostics in cement kiln combustion systems. Its -40°C to +85°C operational range ensures reliability in Arctic oil field steam generators and desert-based thermal oxidizers.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 65UV5-1004EQD |
| Manufacturer | Fireye (Honeywell International) |
| Product Type | UV Flame Scanner with Integrated Relay |
| Detection Range | 0.5-3.0 meters (adjustable) |
| Spectral Response | 185-260 nm UV spectrum |
| Response Time | <500ms flame failure detection |
| Relay Contacts | 2 SPDT, 8A @ 250VAC |
| Power Supply | 24VDC ±20% (18-32VDC) |
| Consumption | 4W (typical) |
| Housing Protection | NEMA 4X/IP66 |
| Operating Temp | -40°C to +85°C |
| Enclosure Material | 316L stainless steel |
| Mounting | 1-1/4″ NPT conduit |
| Certifications | FM, SIL 2, ATEX Zone 2 |
| Interface | RS-485 Modbus RTU |
Application Areas:
The Fireye 65UV5-1004EQD is essential for:
- Power Generation: Coal-fired boiler igniters
- Chemicals: Ethylene cracking furnace monitoring
- Marine: LNG carrier engine burners
- Metals: Aluminum melting furnace safety
In refinery delayed coker units, its explosion-proof design withstands coke particle impact while maintaining flame stability monitoring during decoking cycles. The scanner’s pressurized air purge interface prevents soot accumulation in black liquor recovery boilers operating 24/7.
Key Features and Advantages:
Intelligent flame discrimination: The 65UV5-1004EQD utilizes patented pulse-counting algorithms that distinguish true flame signals from welding arc interference in shipyard heating systems. Its dynamic gain adjustment compensates for UV tube aging without manual recalibration.
Safety integration: Built-in Class 1 Division 2 safety relay eliminates external safety barriers in petrochemical furnace applications. The dual-channel voting logic reduces nuisance trips caused by transient flare reflections in waste incinerators.
Maintenance efficiency: Integrated self-test function simulates flame signals for burner light-off sequence verification. The scanner’s quartz window cleaning reminder triggers through MODBUS alerts when contamination reaches 30% opacity threshold.
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Installation and Maintenance:
Installation preparation: Conduct flame tube alignment verification using laser sighting tools before mounting the 65UV5-1004EQD in vertical-up configurations for fluidized bed combustors. Ensure 45° minimum viewing angle clearance in horizontally-fired process heaters.
Maintenance recommendations: Perform quarterly UV sensitivity tests using certified calibration source CU-5. Replace quartz window gaskets annually in high-vibration environments like steel mill reheating furnaces. Clean optical path monthly with anhydrous ethanol in paper mill lime kiln applications.
Product Assurance:
Fireye provides 12-month extended warranty coverage for the 65UV5-1004EQD, validated through 50,000 burner start-stop cycle tests. Each unit undergoes 72-hour burn-in testing with thermal shock transitions between -50°C and +100°C. Global technical support offers 24/7 emergency replacement service with guaranteed 48-hour response time for critical process applications.
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