Technical Specifications
- Product Model: 85UVF1A-1QD
- Manufacturer: Fireye (USA)
- System Series: Phoenix Series 2
- Module Type: Solid-State UV Flame Scanner
- Supply Voltage: 24 VDC Nominal
- Electrical Connection: 8-Pin Quick-Disconnect (QD)
- Signal Output: Standard 4-20 mA Flame Intensity
- Spectral Response: Ultraviolet (295-340 nm)
- Environmental Rating: IP66, Cast Aluminum Housing
- Operating Temperature: -40°C to +65°C Ambient
Core Performance and Selection Advantages
The Fireye 85UVF1A-1QD is a highly advanced, microprocessor-based flame scanner designed for rigorous industrial combustion environments. From a performance perspective, its primary advantage lies in its intelligent self-diagnostic capabilities and automatic calibration. Unlike traditional flame detectors that require manual adjustment of sensitivity thresholds, this Phoenix Series scanner automatically stores the target flame’s amplitude during setup and selects the optimal ON/OFF thresholds and sensor gain. This drastically reduces commissioning time and ensures highly reliable flame detection across varying operating conditions.In terms of functional highlights, the 85UVF1A-1QD integrates a built-in flame relay. This eliminates the need for external remote amplifiers or separate flame switches, significantly simplifying the wiring architecture and reducing potential points of failure in the safety circuit. Additionally, it provides a standard 4-20 mA analog output, allowing operators to continuously monitor flame intensity trends from the control room. The module detects the unique modulation amplitude (flicker) of the target flame, providing robust immunity against false alarms caused by background radiation, artificial lighting, or hot refractory materials.From a Total Cost of Ownership (TCO) perspective, selecting this module offers substantial project savings. By consolidating the sensor, amplifier, and relay into a single compact unit, project managers can reduce panel space requirements and minimize the number of discrete components that must be sourced and maintained. The QD (Quick-Disconnect) connection format also accelerates installation and maintenance, as the scanner can be swapped out rapidly without the need for hardwiring, thereby reducing plant downtime during scheduled maintenance or emergency replacements.
System Integration and Scalability
The 85UVF1A-1QD is engineered for seamless integration into modern industrial combustion control systems. Programming and configuration are handled directly at the device via a simple button interface and LED display, or remotely through compatible Fireye software. This means that integrating intelligent flame monitoring into a new burner management system (BMS) or a Distributed Control System (DCS) does not require complex external signal conditioning hardware. The 4-20 mA output feeds directly into standard analog input cards on the host controller, providing real-time visibility into combustion health.Regarding communication and networking, the analog output allows for easy integration with SCADA systems, PLCs, and enterprise-level asset management platforms. Operators can track the degradation of a burner or the fouling of a scanner lens over time, enabling predictive maintenance rather than reactive troubleshooting. The 8-pin quick-disconnect connector is specifically designed for Class 1 Division 2 hazardous locations, ensuring that the integration meets stringent safety standards without requiring bulky explosion-proof enclosures.In terms of scalability, the Phoenix Series platform supports a wide range of spectral options (UV, IR, and UV/IR combinations). If a facility’s fuel source changes or if dual-fuel capabilities are required in the future, the modular nature of the Fireye ecosystem allows for straightforward upgrades. The 85UVF1A-1QD can be deployed across multiple burners in a facility, providing a standardized, easily maintainable flame detection infrastructure that scales efficiently as the plant expands or undergoes modernization.







