GB9212942D0 - Infra red gas detector - Google Patents

Infra red gas detector

Info

Publication number
GB9212942D0
GB9212942D0 GB929212942A GB9212942A GB9212942D0 GB 9212942 D0 GB9212942 D0 GB 9212942D0 GB 929212942 A GB929212942 A GB 929212942A GB 9212942 A GB9212942 A GB 9212942A GB 9212942 D0 GB9212942 D0 GB 9212942D0
Authority
GB
United Kingdom
Prior art keywords
gas detector
infra red
red gas
infra
detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB929212942A
Other versions
GB2262338A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GOOM STEPHEN W
Original Assignee
GOOM STEPHEN W
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB919114274A external-priority patent/GB9114274D0/en
Application filed by GOOM STEPHEN W filed Critical GOOM STEPHEN W
Priority to GB9212942A priority Critical patent/GB2262338A/en
Publication of GB9212942D0 publication Critical patent/GB9212942D0/en
Publication of GB2262338A publication Critical patent/GB2262338A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0378—Shapes
    • G01N2021/0382—Frustoconical, tapered cell
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • G01N2021/052—Tubular type; cavity type; multireflective
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N2021/8578—Gaseous flow
    • G01N2021/8585—Gaseous flow using porous sheets, e.g. for separating aerosols
GB9212942A 1991-07-02 1992-06-18 Infra red gas detector Withdrawn GB2262338A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9212942A GB2262338A (en) 1991-07-02 1992-06-18 Infra red gas detector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919114274A GB9114274D0 (en) 1991-07-02 1991-07-02 Infra red gas detector
GB9212942A GB2262338A (en) 1991-07-02 1992-06-18 Infra red gas detector

Publications (2)

Publication Number Publication Date
GB9212942D0 true GB9212942D0 (en) 1992-07-29
GB2262338A GB2262338A (en) 1993-06-16

Family

ID=26299172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9212942A Withdrawn GB2262338A (en) 1991-07-02 1992-06-18 Infra red gas detector

Country Status (1)

Country Link
GB (1) GB2262338A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453620A (en) * 1994-08-12 1995-09-26 Texas Instruments Incorporated Nondispersive infrared gas analyzer and gas sample chamber used therein
GB9416711D0 (en) * 1994-08-18 1994-10-12 Msa Britain Ltd Infra-red gas detector
DE4438244C1 (en) * 1994-10-26 1996-03-07 Frobenius Wolf Dietrich Prof D Gas component concn. in mixture measuring appts. for esp. carbon dioxide in atmos.
US5872359A (en) * 1995-07-27 1999-02-16 American Sterilizer Company Real-time monitor and control system and method for hydrogen peroxide vapor decontamination
DE19713928C1 (en) * 1997-04-04 1998-04-09 Draegerwerk Ag IR absorption measuring device for gas concentration measurement
DE19743954C2 (en) * 1997-10-04 2000-10-12 Wwu Wissenschaftliche Werkstat Cold start measuring system for measuring the cold start emission
DE69829688T2 (en) * 1997-10-28 2006-03-09 Edwards Systems Technology, Inc., Cheshire DIFFUSION NDIR GAS ANALYZER WITH CONVECTION FLOW
US6410918B1 (en) * 1997-10-28 2002-06-25 Edwards Systems Technology, Inc. Diffusion-type NDIR gas analyzer with improved response time due to convection flow
US6201245B1 (en) * 1998-06-18 2001-03-13 Robert J. Schrader Infrared, multiple gas analyzer and methods for gas analysis
SE524900C2 (en) 2002-07-22 2004-10-19 Senseair Ab Gas analyzing arrangements
GB2392721A (en) * 2002-09-03 2004-03-10 E2V Tech Uk Ltd Gas sensors
DE10360215A1 (en) 2003-12-20 2005-07-28 Robert Bosch Gmbh gas sensor
DE102005003050B3 (en) * 2005-01-22 2006-06-29 Dräger Safety AG & Co. KGaA Gas sensor, for use e.g. in chemical or petroleum plants, including porous, gas-permeable, water-impermeable cap for protection against harsh environments, fittable with calibration gas supplying adapter
DE102005003049B3 (en) * 2005-01-22 2006-06-29 Dräger Safety AG & Co. KGaA Combustible gas e.g. methane gas, sensor e.g. infrared optical sensor for chemical industry, has measuring unit which is differentiated from atmosphere by sintered metal body which is re sintered in vacuum during specific temperature
US7664607B2 (en) 2005-10-04 2010-02-16 Teledyne Technologies Incorporated Pre-calibrated gas sensor
FR2932567B1 (en) * 2008-06-11 2010-08-13 Oldham MEASURING CELL FOR APPARATUS FOR DETECTING THE PRESENCE OF A GAS IN AN ATMOSPHERE
DE102011004744A1 (en) * 2011-02-25 2012-08-30 Wacker Chemie Ag Apparatus and method for determining a gas concentration in a flowing gas mixture
US10191180B2 (en) * 2014-12-12 2019-01-29 Lingacom Ltd. Large scale gas electron multiplier and detection method
FI130319B (en) 2019-10-10 2023-06-19 Teknologian Tutkimuskeskus Vtt Oy Method and apparatus for measuring a spectrum of a gaseous sample
KR20240033826A (en) * 2022-09-06 2024-03-13 한국전자통신연구원 Non-dispersive infra-red gas sensor based on gas-permeable polymer optical waveguide and its manufacturing method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1538833A (en) * 1977-11-28 1979-01-24 Adrian W Device for measuring the concentration of gas
GB2110818B (en) * 1981-11-14 1985-05-15 Ferranti Ltd Non-dispersive gas analyser
JPS60105946A (en) * 1983-11-15 1985-06-11 Fuji Electric Corp Res & Dev Ltd Infrared gas analyzer
US4709150A (en) * 1986-03-18 1987-11-24 Burough Irvin G Method and apparatus for detecting gas
GB2226401B (en) * 1988-12-13 1992-11-25 Robin John Hutchinson Gas analysis
WO1991005240A1 (en) * 1989-09-29 1991-04-18 Atomic Energy Of Canada Limited Infrared-based gas detector

Also Published As

Publication number Publication date
GB2262338A (en) 1993-06-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)