Fireye 85UVF1-1QD Ultraviolet (UV) flame detector

Fireye 85UVF1-1QD Ultraviolet (UV) flame detector

Specific Parameters

Electrical Parameters

Power Supply: 24V DC (±15% fluctuation tolerance), optional 110/230V AC (dedicated power module required)Detection Spectrum: 185-260nm ultraviolet band (only responds to flame ultraviolet rays, shields non-flame light sources)Response Time: Flame detection time ≤1 second, flame loss response time ≤2 secondsOutput Signals: 2 sets of SPDT relay outputs (“flame present” “fault alarm”, contact rating 250V AC/5A), 1 channel of 4-20mA analog output (corresponding to flame intensity)Self-Diagnostic Function: Supports regular self-diagnosis of optical component cleanliness and circuit faults, triggers alarm output when faults occurInsulation Class: Withstands voltage ≥1500V AC (1 minute, between power and signal terminals)

Mechanical Parameters

Overall Dimensions: 120mm (L) × 80mm (W) × 150mm (H, including mounting bracket)Housing Material: Die-cast aluminum alloy (surface plastic-sprayed anti-corrosion treatment, resistant to industrial dust and oil)Weight: Approximately 1.8kgMounting Method: Flange mounting (compatible with DN50 standard flange) or bracket mounting, supporting 360° horizontal angle adjustmentProtection Rating: IP65 (whole machine protection, dustproof and waterproof, suitable for outdoor or humid working conditions)Detection Distance: Maximum detection distance 8 meters (for diffusion flames), 4 meters (for premixed flames)

Environmental Parameters

Operating Temperature: -40℃ to +85℃ (non-condensing, suitable for environments around high-temperature combustion equipment)Storage Temperature: -40℃ to +100℃Relative Humidity: 5% to 95% (non-condensing, compliant with IEC 60068-2-3 standard)Vibration Resistance: 10-500Hz frequency range, 2g acceleration (sine wave), 30 minutes of continuous testing per axisShock Resistance: 50g acceleration (11ms half-sine wave), meeting transportation and equipment start-stop shock requirements

Product Performance

High flame recognition accuracy: Only responds to the exclusive 185-260nm ultraviolet band, completely shielding non-flame light sources such as sunlight, LED lights, and welding arcs. The false alarm rate is ≤0.1 times/year, and the missed alarm rate is 0, ensuring reliable triggering of the combustion system’s safety interlock.

Fast response speed: Recognizes flames and outputs “flame present” signal in ≤1 second when flames appear, and triggers an alarm in ≤2 seconds when flames are lost, gaining time for emergency shutdown of combustion equipment and avoiding safety risks caused by fuel leakage.

Strong environmental adaptability: No delay in low-temperature startup at -40℃, and no attenuation of detection sensitivity when operating at high temperature of +85℃; IP65 protection can resist dust and rain splashes, and the die-cast aluminum alloy housing is resistant to acid and alkali corrosion, suitable for harsh working conditions in chemical and metallurgical industries.

Comprehensive self-diagnostic function: Regularly performs self-diagnosis on optical filter cleanliness, photoelectric sensor performance, and circuit integrity, and immediately outputs “fault alarm” signal when abnormalities are found. It supports remote monitoring of self-diagnostic status, reducing the frequency of manual inspections.

Wide system compatibility: Dual output modes of relay and 4-20mA can be directly connected to mainstream DCS (such as Siemens PCS 7, ABB AC 800M) and PLC (such as Rockwell ControlLogix, Mitsubishi Q series) without custom adaptation modules.