CA2742728C - Gas analyzer - Google Patents
Gas analyzer Download PDFInfo
- Publication number
- CA2742728C CA2742728C CA2742728A CA2742728A CA2742728C CA 2742728 C CA2742728 C CA 2742728C CA 2742728 A CA2742728 A CA 2742728A CA 2742728 A CA2742728 A CA 2742728A CA 2742728 C CA2742728 C CA 2742728C
- Authority
- CA
- Canada
- Prior art keywords
- gas
- flow cell
- temperature
- pressure
- measuring
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims abstract description 42
- 238000005259 measurement Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000009529 body temperature measurement Methods 0.000 claims description 9
- 238000004868 gas analysis Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 230000031700 light absorption Effects 0.000 claims 5
- 239000012530 fluid Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 160
- 230000003287 optical effect Effects 0.000 abstract description 25
- 238000013461 design Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000004907 flux Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 description 19
- 239000003570 air Substances 0.000 description 12
- 230000004044 response Effects 0.000 description 12
- 238000002835 absorbance Methods 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000009530 blood pressure measurement Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 229910001868 water Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/05—Flow-through cuvettes
-
- 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
- G01N21/17—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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N2021/317—Special constructive features
-
- 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
- G01N2021/3513—Open path with an instrumental source
-
- 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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
- G01N2021/396—Type of laser source
- G01N2021/399—Diode laser
-
- 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
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- 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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
- G01N21/276—Calibration, base line adjustment, drift correction with alternation of sample and standard in optical path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/02—Mechanical
- G01N2201/024—Modular construction
- G01N2201/0245—Modular construction with insertable-removable part
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/121—Correction signals
- G01N2201/1211—Correction signals for temperature
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2008/082671 WO2010053486A1 (en) | 2008-11-06 | 2008-11-06 | Gas analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2742728A1 CA2742728A1 (en) | 2010-05-14 |
| CA2742728C true CA2742728C (en) | 2013-02-05 |
Family
ID=42153123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2742728A Expired - Fee Related CA2742728C (en) | 2008-11-06 | 2008-11-06 | Gas analyzer |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235960A (zh) * | 2010-04-30 | 2011-11-09 | 钟雷 | 新型气体密度传感器 |
| CN105445157A (zh) * | 2015-12-17 | 2016-03-30 | 常熟市矿山机电器材有限公司 | 一种空气质量监测系统 |
| JP2017166978A (ja) * | 2016-03-16 | 2017-09-21 | 株式会社島津製作所 | フローセル及びこれを備えたガス分析装置 |
| WO2017183302A1 (ja) * | 2016-04-21 | 2017-10-26 | 株式会社堀場アドバンスドテクノ | 測定セル構造及び光学分析装置 |
| CN106124406B (zh) * | 2016-08-23 | 2020-01-03 | 合肥金星机电科技发展有限公司 | 烟气的原位检测装置 |
| DE112017005875B4 (de) | 2016-11-21 | 2021-07-22 | Endress+Hauser Conducta Gmbh+Co. Kg | System zur prozessintegrierten optischen Analyse fließfähiger Medien |
| CN107806900A (zh) * | 2017-10-19 | 2018-03-16 | 太原双鼎科技有限公司 | 一种环境监测装置 |
| CN111536950B (zh) * | 2020-05-25 | 2022-05-24 | 杭州浅海科技有限责任公司 | 一种剖面海洋测量仪器的去温度影响的方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4955386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-04-27 | 1974-05-29 | ||
| US4008394A (en) * | 1973-06-28 | 1977-02-15 | Sensors, Inc. | Gas analyzing |
| US4288062A (en) * | 1979-08-09 | 1981-09-08 | Holcroft | Apparatus for control and monitoring of the carbon potential of an atmosphere in a heat-processing furnace |
| US5340987A (en) * | 1991-03-15 | 1994-08-23 | Li-Cor, Inc. | Apparatus and method for analyzing gas |
| JPH06249779A (ja) * | 1993-02-26 | 1994-09-09 | Shimadzu Corp | ガス分析計 |
| JPH08273939A (ja) * | 1995-03-30 | 1996-10-18 | Hitachi Ltd | ガス絶縁変圧器 |
| US6470732B1 (en) * | 1998-01-05 | 2002-10-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Real-time exhaust gas modular flowmeter and emissions reporting system for mobile apparatus |
| JPH11304705A (ja) * | 1998-04-23 | 1999-11-05 | Nippon Soken Inc | 赤外線吸収方式のガス濃度計測方法および装置 |
| US6468222B1 (en) * | 1999-08-02 | 2002-10-22 | Healthetech, Inc. | Metabolic calorimeter employing respiratory gas analysis |
| US6670613B2 (en) * | 2000-04-28 | 2003-12-30 | Bacharach, Inc. | System and method for spectral analysis |
| EP1170583A1 (en) * | 2000-06-06 | 2002-01-09 | Stefano Tosi | Non-dispersive infrared cell for gas analysis |
| US6836332B2 (en) * | 2001-09-25 | 2004-12-28 | Tennessee Scientific, Inc. | Instrument and method for testing fluid characteristics |
| JP4317089B2 (ja) * | 2004-07-16 | 2009-08-19 | 大塚電子株式会社 | ガス中の不純物を定量する装置 |
-
2008
- 2008-11-06 CA CA2742728A patent/CA2742728C/en not_active Expired - Fee Related
- 2008-11-06 WO PCT/US2008/082671 patent/WO2010053486A1/en active Application Filing
- 2008-11-06 EP EP08878042A patent/EP2352987A4/en not_active Withdrawn
- 2008-11-06 CN CN2008801326519A patent/CN102272577A/zh active Pending
- 2008-11-06 AU AU2008363810A patent/AU2008363810A1/en not_active Abandoned
- 2008-11-06 JP JP2011535547A patent/JP2012507734A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012507734A (ja) | 2012-03-29 |
| EP2352987A4 (en) | 2012-03-28 |
| CA2742728A1 (en) | 2010-05-14 |
| WO2010053486A1 (en) | 2010-05-14 |
| EP2352987A1 (en) | 2011-08-10 |
| AU2008363810A1 (en) | 2010-05-14 |
| CN102272577A (zh) | 2011-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8154714B2 (en) | Gas analyzer | |
| US8125626B2 (en) | Hybrid gas analyzer | |
| CA2742728C (en) | Gas analyzer | |
| US9267881B2 (en) | Hybrid gas analyzer with thermally insulated flow cell | |
| US6369387B1 (en) | Gas analyzer | |
| Long et al. | Measurement of CO2 assimilation by plants in the field and the laboratory | |
| US9121793B2 (en) | Semi-open-path gas analysis systems and methods | |
| US5932877A (en) | High performance side stream infrared gas analyzer | |
| CN107709972B (zh) | Ndir式气体传感器、气体分析仪、光合成速度测定装置、以及光合成速度测定方法 | |
| US20200211761A1 (en) | Dissolved gas analysis devices, systems, and methods | |
| US7928394B1 (en) | Testing device containing a gas sensor | |
| CN103105366A (zh) | Co2碳同位素红外光谱检测方法及装置 | |
| JP2006030032A (ja) | ガス中の不純物定量方法及び装置 | |
| US10365209B1 (en) | Apparatus and method for performing dissolved gas analysis on a piece of electrical equipment using resonant photo-acoustic spectroscopy and use thereof | |
| US10837877B2 (en) | Sampling system with in-line temperature measurement and contol | |
| JP2023011020A (ja) | 気相媒質の品質を監視するための方法及び装置 | |
| JP2012507734A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH08271415A (ja) | 非分散型の赤外線の計測装置の校正方法および校正装置 | |
| US5847263A (en) | Method and device for determining the moisture content of a gas stream | |
| AU2012200272A1 (en) | Gas analyzer | |
| EP4513169A2 (en) | Dissolved gas analysis devices, systems, and methods | |
| CN115656087B (zh) | 一种具有检测气体间浓度补偿方法的八通道ndir光学平台 | |
| CN203561532U (zh) | 便携式气体检测仪 | |
| CN102645409A (zh) | 气体分析器 | |
| RU2191372C2 (ru) | Измеритель примесей в сжатых газах |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20221107 |