Product Overview
The FIREYE 85UVF1A-1QDK3 is an advanced ultraviolet (UV) flame scanner designed for precise flame detection in industrial combustion systems. As part of Fireye’s renowned 85UVF series, the 85UVF1A-1QDK3 provides highly reliable flame monitoring using solid-state UV sensor technology, ensuring safe and efficient burner operation in boilers, furnaces, and process heaters. Engineered for compatibility with Fireye’s flame safeguard systems, this model delivers superior flame discrimination and rapid response to changes in combustion conditions.
The FIREYE 85UVF1A-1QDK3 features a self-checking mechanism that continuously verifies sensor integrity, making it ideal for critical applications requiring compliance with stringent safety standards (e.g., NFPA and EN regulations). Its robust mechanical construction and wide temperature tolerance enable long-term performance in harsh industrial environments. This flame scanner is compatible with multiple fuel types, including natural gas, oil, and dual-fuel systems, offering unmatched versatility and reliability in continuous operation.
Hainan Jinlin Mechanical & Electrical is a professional distributor of industrial automation and control components. Guided by the business philosophy of “Customer First, Forge Ahead,” we provide high-quality technical support and reliable service to meet your industrial control requirements.
Technical Specifications
| Product Model | 85UVF1A-1QDK3
| Manufacturer | Fireye
| Product Type | Ultraviolet Flame Scanner
| Power Supply | 24 VDC / 120 VAC
| Sensor Type | Solid-state UV sensor with self-check feature
| Response Time | < 1 second
| Operating Temperature | -40°C to +85°C
| Mounting Type | 1" NPT (standard threaded connection)
| Cable Connection | Quick-disconnect, 3-conductor cable
| Housing Material | Corrosion-resistant aluminum
| Protection Rating | IP65 (dust and moisture resistant)
Key Features and Benefits
The FIREYE 85UVF1A-1QDK3 combines high-performance optical sensing technology with robust industrial design, making it one of the most dependable flame scanners available for critical burner management systems. Its self-checking UV sensor periodically tests internal electronics and optical pathways, ensuring uninterrupted system safety and compliance with international flame safeguard standards.
Equipped with a quick-disconnect electrical connector, the 85UVF1A-1QDK3 simplifies installation, wiring, and maintenance in field applications. The integrated optical filter system ensures accurate flame discrimination, effectively preventing false flame signals caused by refractory glow or background radiation. Its rapid response time (<1 second) allows immediate flame loss detection, reducing fuel waste and preventing unsafe combustion conditions.
The FIREYE 85UVF1A-1QDK3 is designed for use with Fireye flame amplifiers and controls, including models in the E110, E120, and Flame-Monitor series. Its rugged construction, high vibration tolerance, and wide ambient operating range make it suitable for power plants, petrochemical facilities, and other industrial heating systems. In addition, the UV sensor design requires minimal calibration, reducing maintenance costs and maximizing uptime.
With its combination of precision, durability, and safety assurance, the FIREYE 85UVF1A-1QDK3 is a trusted solution for continuous flame detection in demanding industrial environments.
Related Models
85UVF1A-1C – Standard version with fixed cable connection for general-purpose installations.
85UVF1A-1D – Enhanced version with wider voltage compatibility and diagnostic LED.
85UVF1A-1K – High-temperature variant for extended ambient temperature operation.
85UVF1A-1Q – Quick-disconnect version for faster maintenance (base model).
85UVF3A-1Q – 3-wire model optimized for use with newer Fireye control amplifiers.
85IRF1A-1Q – Infrared flame scanner alternative for heavy oil applications.
95UVS2-1C – Compact flame sensor suitable for small burners.
45UV5-1009 – Previous-generation model with analog output capability.
85UVF1A-1QDK4 – Newer revision with enhanced optical sensing and housing design.
85UVF2A-1C – Dual-frequency scanner for complex multi-burner systems.
Typical Application Areas
Power generation: Flame supervision in utility boilers and combustion turbines.
Petrochemical and refining: Continuous flame detection for process heaters and reformers.
Industrial heating: Safe operation of furnaces, kilns, and incinerators.
Food and beverage: Reliable monitoring in steam generation and thermal processing equipment.
All products include a one-year warranty and full pre-sales and after-sales technical support. If you cannot find the specific model you require, please contact us directly for expert assistance.
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