Choice of red or white housings range 110 ft 35 m ir3, 25. Tips to select the right flame detector chemical processing. Sharpeyetm uvir flame detector manual tm2020lb rev e, august 2004 1 1. It responds to the light emitted from flames during combustion. Spectral sensitivity range the uvirs fire detector responds to uv radiation wavelengths of 185 to. Flame detector testers test equipment fire detection.
The model fs24x multispectrum fire and flame detectors are designed and factory mutual approved for use in class i, div. A flame detector is a sensor designed to detect and respond to the presence of a flame or fire, allowing flame detection. Once the board sends a call to the gas valve to open, it monitors the current flow on the flame sensing rod. In fact, the flame detector will detect fires at greater distances, but the flame size at such distances needs to be proportionally greater in order to be sure of reliable detection. Features c7027a, c7035a, and c7044a flame detectors. Features c7027a, c7035a, and c7044a flame detectors are used with ra890g devices or r7249a, r7290a. Plant engineering basics of testing flame detectors. Sharpeyetm ir3 flame detector manual tm 2020si, rev.
The types of flame detectors used with combustion heating equipment are. Engineering specifications the unit shall be an open area ultraviolet flame detector. It is important to note that ultraviolet radiation from the sun that reaches earth starts at 2800 angstrom. The detector discriminates between flames and other light sources by responding only to particular optical wavelengths and flame flicker. Flame detectors working principle instrumentation tools. The flame detectors are used with honeywell flame safeguard controls to provide flame supervision for gas, oil, or combination gasoil burners. Flame detector sensitivitydetection distance to different. The optical flame detection system used to identify flame presence is blinded by the presence of water and oil on its lens. Multispectrum infrared ultraviolet electrooptical multispectral digital.
Only when the defined detection criteria for both ir and uv sensors indicate a fire condition will the detector alarm. The uv sensor incorporates a special logic circuit that helps prevent false alarms caused by solar radiation. Flame detectors the information and technical data disclosed in this document may be used and disseminated only for the purposes and to the extent specifically authorized in writing by. Flame detection in video using hidden markov models pdf. Spectral sensitivity range the uvirs fire detector.
A flame sensor is designed to regulate the flow of gas from a gas valve, much like a thermocouple. Installation guide and operating manual fsx fire and flame. Frequently, visible sensors are added to a flame detector in order to detect any flames that may be visible. View and download honeywell c7061a product data online. Photocells work on a rectification principle, where alternating voltage is applied to the f flame sensing terminal and the g ground terminal of the primary flame control. No flame detector technology is best in all situations. Models are available for both single and multiple stations, as well as system applications. With the ultima x series sensor xchange program, you receive replacement calibrated sensor modules when needed, on demand. Flame sensing rods stick out into the flame and connect back to the furnace board. Sensors and detectors are warranted against defective parts and workmanship for 60 months from the date of purchase. Fire detectors fire detectors are available for residential, commercial, and industrial use. It may seem simple and straight forward to design a sensitive optical flame detector by utilizing ultraviolet. The detector discriminates between flames and other light sources by responding only to particular optical wavelengths and flame. If the detector s sensor has a wide range then it will be triggered by the.
Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line such as a propane or a natural gas line, and activating a fire suppression system. Ir and visible sensors will still alarm to fire, albeit at a reduced sensitivity and slower response. The uvir flame detector senses radiant energy in the short wave sections of both the ultraviolet and infrared portions of the electromagnetic spectrum. It does this by generating a potential voltage at the flame sensing terminal, this terminal is connected to the sensor with a conductor.
Flame detector sensitivitydetection distance to different types of fire. The principle works on the fact that a real hydrocarbon fire causes a difference between the sensors. Sensors arrive prior to the ultima x gas monitors scheduled calibration due date for easy installation and minimal downtime. The optical type consists of a sensor element that indirectly. Class i, zone 1 aex d and ex d iic hazardous locations and atex certified ex db. Triple ir ir3 flame detector superior performance, reliability and immunity to false alarms the new 4040i, a multi spectrum based on three ir bands ir3, detects fuel and gas fires at long. Most flame detectors have a selftest function which checks the window cleanliness and the sensor. Defining the requirements for an application is also essential, as such. There are a number of different types of detectors available, including smoke, flame, heat, and gas detectors. When combined with a highly accurate detector, a visible sensor tends to eliminate any type of false alarm. Arduino flame sensor interfacing to build a fire alarm system. A uv detector uses a sensor tube that detects radiation emitted in the to 3000 angstrom one ten billionth of a metre range. Responses to a detected flame depend on the installation, but can. The flame detector is designed for use where open flaming fires may be expected.
The sharpeye optical flame detector described in this document is the property of spectrex, inc. Home \ products \ fire detection \ test equipment \ flame detector testers flame detectors can be tested with special flame detector testers that mimic the spectral signal of a flame. Ultraviolet flame detectors detect the ultraviolet radiation emitted by combustion flames. The 3600lb uses a combination of ultraviolet uv and infraredir sensor technology. Cad cell cadmium sulfide is a photoconductive flame detector used with oil primary controls. Multispectrum infrared ultraviolet electrooptical multi spectral digital wideband ir sensor with ultraviolet phototube. Ss4auv the ss4auv represents the leading edge technology uv optical flame detectors. The output of this sensor is an analog signal or digital signal.
Radiationtype flame detectors collect radiation from the area under surveillance. There must be a larger difference in sensor output than the. Periodically test the sensitivity of the detector using a controlled flame or a uv test lamp such as the model w8066. Fsl100 series flame detectors fsl100 flame detector types fsl100uv, fsl100uvir and fsl100ir3.
The flame detector is designed to detect flames from fuel sources listed on page 18, at a distance of 25m. Rosemount 975ur ultraviolet infrared flame detector the rosemount 975ur provides a combination of uv and ir sensors, where the ir sensor operates at a wavelength of 4. These sensors are used in fire fighting robots like as a flame. Pdf a new supersensitive flame detector and its use for early. A flame detector is a sensor designed to detect and respond to the presence of a flame or fire.
The microcontroller monitors and analyzes each sensor to identify a variety of flame conditions. The 4040uv flame detector design is the most durable and weather resistant uv flame detector currently on the market. Testing one is essential to maintaining proper and safe functionality of a gaspowered device regulated by a flame sensor. It is optimized for detection of hydrogen, ethanol, methanol and methane natural gas fires and like the other detectors in its family, it responds to type a, b and c flaming fires. The flame ionization detector general information the flame ionization detector passes sample and carrier gas from the column through a hydrogenair flame. The triple ir flame detector uses this method to give highly reliable nuisance alarm rejection and is also less affected by optical contamination and smoke than are uv based flamedetectors. To assure maximum detector sensitivity, keep the surface of the sensor tube free from dirt or other contaminants at all times. Water, the product of combustion is present inside the combustor during the cold start up times and interferes with the proper functioning of the flame sensor. The flame detection can be done from a 100cm distance and the detection angle will be 600. C7027a, c7035, c7044a minipeeper ultraviolet flame detectors the c7027a, c703sa and c7044a detect the ultraviolet radiation emitted by combustion flames. Visible light sensors are typically referred to as rectifying photocells. Honeywell fire sentry fs20x multispectrum flame detector user. Choice of red or white housings range 110 ft 35 m ir3, 25 m80 ft uv, uvir alarming within 10 seconds to a 1 ft20. The detector, which is a plugin, lightsensitive cell, is installed inside the air tube of the burner where the cell can view the flame.
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