UV Sensor for Fuel Oil and Gas Burners - FD1xx - FD2xx

  • UV Sensor for Fuel Oil and Gas Burners
  • UV Sensor for Fuel Oil and Gas Burners
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• Supply voltage: 220-240V/50-60Hz
• Power consumption: 1VA
• Visible band: 290-350nm
• Reception angle: 8°
• Max. output current: 500µA
• Operating temperature range: -20 to +60°C
• Max. humidity: 95% ​

  • Model Number: FD1xx - FD2xx
  • Data Sheet: Date Sheet File
Quantity:
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Product Specification

UV Sensor type FD1xx - FD2xx 


Flame Detection Devices For Fuel Oil And Gas Burners Emitting Blue Light


FD1xx - FD2xx UV Sensor INTRODUCTION
The combustion process, depending on the type of fuel used, emits more or less light radiation belonging to the ultraviolet, visible or infrared spectrum.

Of course, gas oil combustion generates a very bright flame, which is easily detectable by means of sensors using common photocells; nevertheless, at the same time gas oil combustion generates a quantity of substances not completely burnt (unburnt substances), which pollute and also dirty the combustion chamber step by step.

By suitably adjusting the combustion, it is possible to solve this problem and improve the flame quality, making it similar to the flame produced by gas, natural gas or propane combustion (blue flame).

Since photocells are not sensitive to blue flame light, in most gas burners the presence of flame is detected by exploiting the ionization principle; to this purpose, you simply need an electrode (electrically isolated metal rod) suitably "immersed" in the flame. This principle is not easily applicable in oil burners, as the electrode immersed in the flame gets dirty quickly (consequently losing its efficiency) and modifies the turbulence in the combustion chamber, thus creating serious problems.

For all these reasons, it is necessary to detect the presence of flame by means of ultraviolet sensitive detectors.


FD1xx - FD2xx UV Sensor DESCRIPTION
The FDx sensor uses a silicon preamplified active element, specifically designed for blue flame burner applications; the UV light peak detection of this sensor is around 310 nm.

Thanks to the incorporation of suitable electronic components, this device can be fitted both to the BRAHMA analogical control boxes (for example EUROBOX, EUROFLAT, MINIFLAT, MICROFLAT, EUROGAS, EUROOIL, OIL-SYSTEM series) and to the BRAHMA digital control boxes (for example Digital Microflat, Digital Microflat “N”, EUROGAS type VM44G, EUROOIL type VM44O series).

In order to meet the widest range of market requirements, this device is available in the FD1 version (with front view) and in the FD2 version (with lateral view). In application where the flame is far from the point of detection an high sensitivity sensor can be required.

Please note that the FDx detector is sensitive to the ultraviolet component of visible light; therefore, its use is recommended in burners fitted with closed combustion chambers and in an application environment perfectly shielded from visible light.


FD1xx - FD2xx UV Sensor FEATURES 

Supply voltage
220-240V/50-60Hz
Power consumption
1VA
Visible band
290-350nm
Reception angle

Max. output current
500µA
Operating temperature range
-20 to +60°C
Max. humidity
95%


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