UV Sensor for Fuel Oil and Gas Burners - FD1/S - FD2/S

? Supply voltage: 220-240V @ 50/60Hz
? Power consumption: 1VA
? Visible band: 290-350nm
? Reception angle: 8°
? Max. output current: 50μA
? Operating temperature range: -20 to +60°C
? Max. humidity: 95%

  • Model Number: FD1/S - FD2/S
  • Data Sheet: Date Sheet File
Quantity:
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  • UV Sensor for Fuel Oil and Gas Burners
  • UV Sensor for Fuel Oil and Gas Burners
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Product Specification

UV sensor type FD1/S - FD2/S


Flame Detection Device For Fuel Oil And Gas Burners Equipped With Brahma Safety Device?


FD1/S - FD2/S?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.?The FDx/S sensor has also proved suitable for gas applications where the use of an electrode, for example for high temperatures, is not possible.


FD1/S - FD2/S?UV Sensor DESCRIPTION
The FDx/S 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.

An adequate electronic boundary placed inside the device renders it compatible with all BRAHMA devices with a gas application.

In particular is suited with DS11, DS11P, DSM11, DSM11P and SM592N/S. It’s strongly recommended for single electrode applications DSM11 and DSM11P In order to meet the widest range of market requirements, this device is available in the FD1/S version (with front view) and in the FD2/S 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


FD1/S - FD2/S?UV Sensor?FEATURES

Supply voltage?
220-240V @ 50/60Hz
?? ? ?on request:
110-120V @ 50/60Hz
Power consumption
1VA
Visible band
290-350nm
Reception angle ?

Max. output current
50μA
Operating temperature range
-20 to +60°C
Max. humidity
95%

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