METHOD AND APPARATUS FOR MEASURING FLUORESCENT MATERIAL IN A LIQUID

A method of measuring the amount of a fluorescent material in a liquid comprising the steps of exciting the fluorescent material and measuring the fluorescent response of the material over a range of wavelengths to determine a response spectrum, identifying the material from the response spectrum and determining the amount of material as a function of the amplitude of the fluorescent response and a calibration factor based upon the identification of the material. 1. An apparatus for measuring the amount of a fluorescent material in a liquid comprising an excitation source for exciting said fluorescent material , a detector for detecting the fluorescent response of the material over a range of wavelengths to determine a response spectrum , and a processor for identifying the material based upon its response spectrum and for determining the amount of said material as a function of the amplitude of the fluorescent response and a calibration factor based upon said identification of the material.2. An apparatus as claimed in claim 1 , wherein said processor determines the amount of said material as a function of the amplitude of the fluorescent response at a predetermined wavelength.3. An apparatus as claimed in claim 1 , wherein the detector comprises a spectrometer.4. An apparatus as claimed in claim 3 , wherein said spectrometer comprises a full scan UV to IR spectrometer.5. An apparatus as claimed in claim 1 , wherein the excitation source comprises a light source.6. An apparatus as claimed in claim 5 , wherein said excitation source comprises a UV light source.7. An apparatus as claimed in any preceding claim 1 , wherein the excitation source comprises a laser source.8. An apparatus as claimed in claim 7 , wherein the excitation source comprises a continuous wave laser source.9. An apparatus as claimed in claim 7 , wherein the excitation source comprises a 3 mW laser diode module of 405 nm wavelength.10. An apparatus as claimed in claim 1 , wherein said processor ...

Self cleaning optical probe

An optical probe comprising an elongate hollow body having an internal chamber for receiving an optical sensor and/or an light emission device, such as one or more optical fibres, an optical window being provided at a first end of the hollow body, said optical window defining a wall of said internal chamber for transmitting light therethrough, and an ultrasonic transducer provided at a second end of the elongate body opposite said first end for cleaning said optical window via ultrasonic vibrations, wherein said ultrasonic transducer is provided with an entry aperture extending through the ultrasonic transducer, through which entry aperture optical fibres, cables or wires may pass to enter said internal chamber.

Imaging Apparatus

An apparatus for measuring oil droplets and other bodies in a liquid, the apparatus comprising a body having an imaging device mounted therein, said body having a measurement window adjacent a measuring region through which an image of a fluid within the measurement region may be viewed by the imaging device, wherein a light source is provided for illuminating said measurement region, said light source being directed towards the imaging device by a light directing means, the apparatus including an ultrasonic transducer mechanically coupled to the measurement window for removing fouling from the measurement window and for creating cavitation within said measurement region, wherein said light directing means is located in or adjacent said measurement region to be exposed to said cavitation created by the ultrasonic transducer to remove fouling from said light directing means. 1. An apparatus for measuring oil droplets and other bodies in a liquid , the apparatus comprising a body having an imaging device mounted therein , said body having a measurement window adjacent a measuring region through which an image of a fluid within the measurement region may be viewed by the imaging device , wherein a light source is provided for illuminating said measurement region , said light source being directed towards the imaging device by a light directing means , the apparatus including an ultrasonic transducer mechanically coupled to the measurement window for removing fouling from the measurement window and for creating cavitation within said measurement region , wherein said light directing means is located in or adjacent said measurement region to be exposed to said cavitation created by the ultrasonic transducer to remove fouling from said light directing means.2. An apparatus as claimed in claim 1 , wherein said light directing means comprises a window through which light from the light source is transmitted claim 1 , a light guide through which said light is transmitted ...

Expandable enclosure for oil-in-water analyzers

An electronic equipment enclosure ( 10 ), especially for an oil-in-water analyzer. The enclosure has a metal body ( 22 ) including an expandable folded section ( 26 ) that expands in response to increased pressure within the enclosure thereby increasing the volume defined by the enclosure. The enclosure is capable of containing internal explosions and is suitable for use in hazardous environments where the electronic equipment can come into contact with explosive gases.

Self cleaning optical probe

An optical probe includes an optical window for transmitting light therethrough, an ultrasonic transducer for applying ultrasonic vibrations to the optical window for cleaning the optical window, and one or more light guides for transmitting light through the optical window to a measurement region and/or receiving light transmitted through the optical window from the measurement region. The ultrasonic transducer is coupled to the optical window via an elongate body adapted to transmit ultrasonic vibrations from the ultrasonic transducer to the window. The light guides communicate with the optical window adjacent the elongate body. An additional lens or light filter may be mounted adjacent the measurement window and/or the window itself may be adapted to incorporate a lens and/or light filter.

SELF-CLEANING OPTICAL PROBE

An optical probe comprising an elongate hollow body having an internal chamber for receiving an optical sensor and/or an light emission device, such as one or more optical fibres, an optical window being provided at a first end of the hollow body, said optical window defining a wall of said internal chamber for transmitting light therethrough, and an ultrasonic transducer provided at a second end of the elongate body opposite said first end for cleaning said optical window via ultrasonic vibrations, wherein said ultrasonic transducer is provided with an entry aperture extending through the ultrasonic transducer, through which entry aperture optical fibres, cables or wires may pass to enter said internal chamber. 1. An optical probe comprising an elongate hollow body having an internal chamber for receiving an optical sensor and/or a light emission device , such as one or more optical fibres , an optical window being provided at a first end of the hollow body , said optical window defining a wall of said internal chamber for transmitting light therethrough , and an ultrasonic transducer provided at a second end of the elongate body opposite said first end for cleaning said optical window via ultrasonic vibrations , wherein said ultrasonic transducer is provided with an entry aperture extending through the ultrasonic transducer , through which entry aperture optical fibres , cables or wires may pass to enter said internal chamber , said ultrasonic transducer is secured to the second end of said elongate body by means of a threaded fastener passing therethrough , said fastener being provided with a longitudinal hole defining said entry aperture;said aperture extends substantially coaxially with respect to the longitudinal axis of said elongate hollow body;said ultrasonic transducer comprises one or more ceramic transducer elements mounted against said second end of said elongate hollow body and a reaction mass mounted against one or more of said ceramic transducer ...

Apparatus and Method for Determining the Amounts of Two or More Substances Present in a Liquid

An apparatus for determining the total amount of two or more substances in a liquid, at least one of said substances comprising a fluorescent substance, said apparatus comprising: a mass spectrometer device; a fluorometer device; and a processing means; wherein said mass spectrometer device is adapted to obtain a periodic measurement of the total amount of said two or more substances in the liquid, said fluorometer device being adapted to detect the fluorescent response of said at least one fluorescent substance in said liquid to an excitation signal, said processing means being programmed to determine a calibration factor by comparing a measurement obtained by the fluorometer device with said periodic measurement of the total amount of said two or more substances present obtained by the mass spectrometer device, the processing means subsequently using said calibration factor to determine measurements representative of the total amount of both fluorescent and non-fluorescent substances present in the liquid based upon the fluorescent response detected by the fluorometer device. 1: An apparatus for determining the total amount of two or more substances in a liquid , at least one of said substances comprising a fluorescent substance , said apparatus comprising:a mass spectrometer devicea fluorometer device, anda processing meanswherein said mass spectrometer device is adapted to obtain a periodic measurement of the total amount of said two or more substances in the liquid,said fluorometer device being adapted to detect the fluorescent response of said at least one fluorescent substance in said liquid to an excitation signal,said processing means being programmed to determine a calibration factor by comparing a measurement obtained by the fluorometer device with said periodic measurement of the total amount of said two or more substances present obtained by the mass spectrometer device,the processing means subsequently using said calibration factor to determine ...

Self cleaning optical probe

An optical probe comprising an elongate hollow body having an internal chamber for receiving an optical sensor and/or an light emission device, such as one or more optical fibres, an optical window being provided at a first end of the hollow body, said optical window defining a wall of said internal chamber for transmitting light therethrough, and an ultrasonic transducer provided at a second end of the elongate body opposite said first end for cleaning said optical window via ultrasonic vibrations, wherein said ultrasonic transducer is provided with an entry aperture extending through the ultrasonic transducer, through which entry aperture optical fibres, cables or wires may pass to enter said internal chamber

Apparatus for measuring fluorescent material in a liquid

An apparatus (10) for measuring, in particular, the amount of oil present in a quantity of water. The apparatus comprises a measurement chamber (12) having an optical window (18) through which an excitation signal may be transmitted and fluorescent light may be detected. The apparatus further includes an ultrasonic transducer (34) coupled to the measurement chamber and having a pair of channels (44,45) formed therein, the channels opening onto the measurement window (18). A respective light guide (28) is inserted into each channel, one light guide being arranged to deliver the excitation signal into the chamber through the measurement window, the other being arranged to carry fluorescent light from the chamber.

Method and apparatus for measuring fluorescent material in a liquid

A method of measuring the amount of a fluorescent material in a liquid, said method comprising the steps of excit-ing said fluorescent material and measuring the fluorescent response of the material over a range of wavelengths to determine a re-sponse spectrum, identifying the material from said response spectrum and determining the amount of said material as a function of the amplitude of the fluorescent response and a calibration factor based upon said identification of the material.

Apparatus for Measuring Fluorescent Material In A Liquid

An apparatus ( 10 ) for measuring, in particular, the amount of oil present in a quantity of water. The apparatus comprises a measurement chamber ( 12 ) having an optical window ( 18 ) through which an excitation signal may be transmitted and fluorescent light may be detected. The apparatus further includes an ultrasonic transducer ( 34 ) coupled to the measurement chamber and having a pair of channels ( 44,45 ) formed therein, the channels opening onto the measurement window ( 18 ). A respective light guide ( 28 ) is inserted into each channel, one light guide being arranged to deliver the excitation signal into the chamber through the measurement window, the other being arranged to carry fluorescent light from the chamber.

Self cleaning optical probe

Expandable enclosure for oil-in-water analysers

An electronic equipment enclosure (10), especially for an oil-in-water analyzer. The enclosure has a metal body (22) including an expandable folded section (26) that expands in response to increased pressure within the enclosure thereby increasing the volume defined by the enclosure. The enclosure is capable of containing internal explosions and is suitable for use in hazardous environments where the electronic equipment can come into contact with explosive gases.

Self cleaning optical probe

An optical probe comprising an optical window for transmitting light therethrough, an ultrasonic transducer for applying ultrasonic vibrations to said optical window for cleaning said optical window, and one or more light guides for transmitting light through said optical window to a measurement region and/or receiving light transmitted through said optical window from said measurement region, wherein said ultrasonic transducer is coupled to said optical window via an elongate body adapted to transmit ultrasonic vibrations from said ultrasonic transducer to said window, wherein said one or more light guides communicate with said optical window adjacent said elongate body. An additional lens or light filter may be mounted adjacent the measurement window and/or the window itself may be adapted to comprise a lens and/or light filter.

Self cleaning optical probe

An optical probe comprising an optical window for transmitting light therethrough, an ultrasonic transducer for applying ultrasonic vibrations to said optical window for cleaning said optical window, and one or more light guides for transmitting light through said optical window to a measurement region and/or receiving light transmitted through said optical window from said measurement region, wherein said ultrasonic transducer is coupled to said optical window via an elongate body adapted to transmit ultrasonic vibrations from said ultrasonic transducer to said window, wherein said one or more light guides communicate with said optical window adjacent said elongate body. An additional lens or light filter may be mounted adjacent the measurement window and/or the window itself may be adapted to comprise a lens and/or light filter.

Self cleaning optical probe

An optical probe comprising an elongate hollow probe body, an optical window (10) mounted at a distal end of said probe body (14) for transmitting light therethrough, an ultrasonic transducer (18) mounted within said probe body (14) for applying ultrasonic vibrations to said optical window (10) for cleaning said optical window (10), and one or more light guides (28) located within said probe body (14) for transmitting light through said optical window (10) to a measurement region and/or for receiving light transmitted through said optical window (10) from said 10 measurement region, wherein said ultrasonic transducer (18) is located within said distal end of the probe body (14) adjacent said optical window (10) to transmit ultrasonic vibrations directly from said ultrasonic transducer (18) to said optical window (10).

Self cleaning optical probe

Self cleaning optical probe

An optical probe comprising an optical window for transmitting light therethrough, an ultrasonic transducer for applying ultrasonic vibrations to said optical window for cleaning said optical window, and one or more light guides for transmitting light through said optical window to a measurement region and/or receiving light transmitted through said optical window from said measurement region, wherein said ultrasonic transducer is coupled to said optical window via an elongate body adapted to transmit ultrasonic vibrations from said ultrasonic transducer to said window, wherein said one or more light guides communicate with said optical window adjacent said elongate body. An additional lens or light filter may be mounted adjacent the measurement window and/or the window itself may be adapted to comprise a lens and/or light filter.

Sonda óptica de autolimpeza

sonda óptica de autolimpeza. trata-se de uma sonda óptica que compreende uma janela óptica para transmitir luz através da mesma, um transdutor ultrassônico para aplicar vibrações ultrassônicas à dita janela óptica para limpar a dita janela óptica, e uma ou mais guias de luz para transmitir luz através da dita janela óptica a uma região de medição e/ou receber a luz transmitida através da dita janela óptica da dita região de medição, em que o dito transdutor ultrassônico é acoplado à dita janela óptica por meio de um corpo alongado adaptado para transmitir vibrações ultrassônicas do dito transdutor ultrassônico para a dita janela, em que a dita uma ou mais guias de luz se comunicam com a dita janela óptica adjacente ao dito corpo alongado. uma lente ou filtro de luz adicional pode ser montado adjacente à janela de medição e/ou a janela em si pode ser adaptada para compreender uma lente e/ou filtro de luz.

Self-cleaning optical probe

An optical probe includes an elongate hollow probe body, an optical window mounted at a distal end of the probe body for transmitting light therethrough, an ultrasonic transducer mounted within the probe body for applying ultrasonic vibrations to the optical window for cleaning the optical window, and one or more light guides located within the probe body for transmitting light through the optical window to a measurement region and/or for receiving light transmitted through the optical window from the measurement region. The ultrasonic transducer is located within the distal end of the probe body adjacent the optical window to transmit ultrasonic vibrations directly from the ultrasonic transducer to the window.

Fluorometer

Self-cleaning optical probe

An optical probe comprising an elongate hollow probe body 14, an optical window 10 mounted at a distal end of said probe body for transmitting light therethrough, an ultrasonic transducer 18 mounted within said probe body for applying ultrasonic vibrations to said optical window for cleaning said optical window, and one or more light guides 28 located within said probe body for transmitting/receiving light through said optical window to/from a measurement region, wherein said ultrasonic transducer is located within said distal end 36 of the probe body adjacent said optical window to transmit ultrasonic vibrations directly from said ultrasonic transducer to said window. The probe is for oil in water fluorescence analysis where a light source causes a target substance to fluoresce which is measured to determine oil content. The ultrasonic transducer may be located within the probe body via a mounting flange 34, 38 extending between the body of the transducer and an inner wall of the probe body, the flange being located at a zero point of the transducer. The optical window may be mounted on a distal end within an opening 12 of the probe body and may have a resilient seal 16 provided between the window and said opening.

Self cleaning optical probe

An optical probe includes an optical window for transmitting light therethrough, an ultrasonic transducer for applying ultrasonic vibrations to the optical window for cleaning the optical window, and one or more light guides for transmitting light through the optical window to a measurement region and/or receiving light transmitted through the optical window from the measurement region. The ultrasonic transducer is coupled to the optical window via an elongate body adapted to transmit ultrasonic vibrations from the ultrasonic transducer to the window. The light guides communicate with the optical window adjacent the elongate body. An additional lens or light filter may be mounted adjacent the measurement window and/or the window itself may be adapted to incorporate a lens and/or light filter.

Sonda óptica de autolimpieza

Una sonda óptica que comprende una ventana óptica para transmitir luz a su través, un transductor ultrasónico para aplicar vibraciones ultrasónicas a dicha ventana óptica para limpiar dicha ventana óptica, y una o más guías de luz para transmitir luz a través de dicha ventana óptica a una región de medición y/o recibir luz transmitida a través de dicha ventana óptica desde dicha región de medición, en donde dicho transductor ultrasónico está acoplado a dicha ventana óptica a través de un cuerpo alargado adaptado para transmitir vibraciones ultrasónicas desde dicho transductor ultrasónico a dicha ventana, en donde dicha una o más guías de luz se comunican con dicha ventana óptica adyacente a dicho cuerpo alargado. Se puede montar una lente o filtro de luz adicional adyacente a la ventana de medición y/o la ventana misma se puede adaptar para comprender una lente y/o filtro de luz. (Traducción automática con Google Translate, sin valor legal)

Self-Cleaning Optical Probe

Self cleaning optical probe

An optical probe has a window 2 for transmitting light into a sample and collecting light from the sample. The sample may be a mixture of oil and water and the collected light may be fluorescence. Optical guides 18,20 carry the light to and from the window 2. The optical guides 18,20 may be optical fibres. An ultrasonic transducer 6 is coupled to the window 2 for cleaning the window ultrasonically. The coupling is an elongate body, such as a solid shaft 16. The optical guides 18,20 communicate with the window 2 adjacent to the coupling 16. An additional lens 24 or light filter (Fig. 3, 26) may be provided.

Self cleaning optical probe

An optical probe 2 comprises a front plate 4 having a front face bounding a measurement region. At least one first light guide 20 is mounted within the front plate for transmitting light into the measurement region and at least one second light guide 22 is mounted within the front plate for receiving light transmitted from the measurement region. An ultrasonic transducer 8 is coupled to the front plate to transmit ultrasonic vibrations to the front plate along an energy path to generate cavitation in the measurement region. The light guides extend through the front plate at respective locations spaced from the energy path such that the light guides are not exposed to direct ultrasonic energy from the ultrasonic transducer. The light guides may comprise coaxially arranged first and second parts, where the gap 28,30 between the two parts isolates the second part of each light guide from the ultrasonic energy. The gap may be filled with an optically transmissible material, such as an optical coupling fluid.

Self cleaning optical probe

An optical probe comprising a front plate having a front face bounding a measurement region, at least one first light guide being mounted within said front plate for transmitting light into said measurement region, at least one second light guide being mounted within said front plate for receiving light transmitted from said measurement region, wherein an ultrasonic transducer is coupled to said front plate to transmit ultrasonic vibrations from said ultrasonic transducer to said front plate along an energy path to generate cavitation in said measurement region, wherein said at least one first light guide and at least one second light guide extend through the front plate at respective locations spaced from said energy path such that said first and second light guides are not exposed to direct ultrasonic energy from said ultrasonic transducer.

aparelho de formação de imagem

aparelho de imageamento. um aparelho para medir gotículas de óleo e outros corpos em um líquido, o aparelho compreendendo um corpo tendo um dispositivo de imageamento montado no mesmo, o dito corpo tendo uma janela de medição adjacente a uma região através da qual uma imagem de um fluido dentro da região de medição pode ser vista pelo dispositivo de imageamento, em que uma fonte luminosa é fornecida para iluminar a dita região de medição, a dita fonte luminosa sendo direcionada para o dispositivo de imageamento por um meio de direcionamento de luz, o aparelho incluindo um transdutor ultrassônico mecanicamente acoplado à janela de medição para remover fuligem da janela de medição e para criar cavitação dentro da dita região de medição, em que o dito meio de direcionamento de luz fica localizado dentro ou adjacente à dita região de medição a ser exposta à dita cavitação criada pelo transdutor ultrassônico para remover fuligem do dito meio de direcionamento de luz.

Imaging apparatus

An apparatus for measuring oil droplets and other bodies in a liquid, the apparatus comprising a body having an imaging device mounted therein, said body having a measurement window adjacent a measuring region through which an image of a fluid within the measurement region may be viewed by the imaging device, wherein a light source is provided for illuminating said measurement region, said light source being directed towards the imaging device by a light directing means, the apparatus including an ultrasonic transducer mechanically coupled to the measurement window for removing fouling from the measurement window and for creating cavitation within said measurement region, wherein said light directing means is located in or adjacent said measurement region to be exposed to said cavitation created by the ultrasonic transducer to remove fouling from said light directing means.