
Introduction
The detector employs a UV photosensitive tube to detect the ultraviolet rays emitted by flames. This allows it to rapidly identify the presence of fire with a high degree of accuracy.The UV sensing mechanism enables the detector to provide a fast response time, crucial for applications involving flammable or explosive materials.The detector is designed to be immune to false alarms caused by factors such as sunlight, dust, oil, fumes, and humidity. It also provides a dry contact relay output that can be directly connected to a fire alarm control panel, allowing for immediate alarm notification and system integration.
This Ultraviolet Flame Detector is primarily designed for use in high-hazard environments where flammable or explosive materials are handled or stored, such as:
Petrochemical plants
Munitions factories
Oil and gas processing facilities
Chemical storage warehouses
Fueling stations
Other industrial or commercial settings with a high risk of fire.
Specification Operating Voltage Range: 12 to 28 VDC Volts
Standby Current: ≤10 mA @ 24 VDC
Alarm Current ≤30 mA @ 24 VDC
Spectrum: 180~290nm
Detection Angle: 120 degree
Detection Sensitivity: Grade I, 25m@flame (Container 33cmX33cm,Height 5cm with 2Kg ethanol )
Relay Contact Load: 1A@DC24V
Normal Status: LED blinking in 5 seconds interval
Alarm Status: LED lit steady
Operating Humidity Range: 10% to 93% Relative Humidity, Non-condensing
Operating Temperature Range: -20°C to 55°C
Installation NOTE: All wiring must conform to applicable local codes, ordinances, and regulations. Mounting Indoor Wall or Ceiling Products.
1. Attach mounting base to ceiling or wall.
2. Connect field wiring to terminals:
Terminal 1: Relay Output -COM (ZONE+)
Terminal 2: Relay Output - NO/NC (ZONE-)
Terminal 3: DC Power -
Terminal 4: DC Power +
3. To attach product to mounting base.
4. Secure product by tightening the two mounting screws in the front of the product housing.
5. The detector can be connected with Security alarm panel as Figure3. Relay output signal can be changed from Normal Close (NC) to Normal Open (NO) by Jump JP1 on the PCB board.
6. The detector can be connected with conventional alarm panel as Figure 4. One 4.7K ohm resistor should be connected as End of Line (EOL) resistor at the last detector.
7. After the installation, power on the detector, use lighter or candle to test the detector within 3 meters.
Application in Conventional Fire Alarm system

Product Range Conventional Fire Alarm System
Addressable fire alarm system
Gas Extinguishing control system
Beam Detector
4 wire smoke detectors with relay output.
2 wire Conventional smoke and heat detectors
Explosion-proof flame detector for fire alarm system
Standalone smoke detectors and combustable gas detector Service 1. OEM &ODM service.
2. Provide technical support and after-sale service.
3. 1 year warranty.
4. Normally 15 working days lead time.
5. Welcome sample order.