DE2364775B2 - Gasanalysator - Google Patents
GasanalysatorInfo
- Publication number
- DE2364775B2 DE2364775B2 DE19732364775 DE2364775A DE2364775B2 DE 2364775 B2 DE2364775 B2 DE 2364775B2 DE 19732364775 DE19732364775 DE 19732364775 DE 2364775 A DE2364775 A DE 2364775A DE 2364775 B2 DE2364775 B2 DE 2364775B2
- Authority
- DE
- Germany
- Prior art keywords
- gas
- frequency
- radiation
- cell
- operated
- 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.)
- Ceased
Links
- 230000005855 radiation Effects 0.000 claims description 42
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000011156 evaluation Methods 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 68
- 230000035699 permeability Effects 0.000 description 20
- 230000008859 change Effects 0.000 description 18
- 230000003595 spectral effect Effects 0.000 description 18
- 230000002452 interceptive effect Effects 0.000 description 9
- 230000004044 response Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000013618 particulate matter Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- QCTIXSVMWRRIJO-UHFFFAOYSA-N F.Cl.S(=O)(=O)=O Chemical compound F.Cl.S(=O)(=O)=O QCTIXSVMWRRIJO-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000012360 testing method 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
- G01N21/17—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
- G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32013773A | 1973-01-02 | 1973-01-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2364775A1 DE2364775A1 (de) | 1974-07-18 |
| DE2364775B2 true DE2364775B2 (de) | 1977-01-13 |
Family
ID=23245032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732364775 Ceased DE2364775B2 (de) | 1973-01-02 | 1973-12-27 | Gasanalysator |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3793525A (OSRAM) |
| JP (1) | JPS5220358B2 (OSRAM) |
| CA (1) | CA990970A (OSRAM) |
| DE (1) | DE2364775B2 (OSRAM) |
| GB (1) | GB1451381A (OSRAM) |
| IT (1) | IT1008645B (OSRAM) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3904880A (en) * | 1973-05-10 | 1975-09-09 | Honeywell Inc | Multi-component infrared analyzer |
| DE2407133B2 (de) * | 1974-02-15 | 1976-12-09 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn | Verfahren und vorrichtung zur bestimmung von stickoxid |
| US3926527A (en) * | 1974-06-05 | 1975-12-16 | Philco Ford Corp | Rotating gas correlation cell |
| US3916195A (en) * | 1974-06-17 | 1975-10-28 | Philco Ford Corp | Non-dispersive multiple gas analyzer |
| US3878107A (en) * | 1974-06-24 | 1975-04-15 | Philco Ford Corp | Electronically compensated rotating gas cell analyzer |
| US3987303A (en) * | 1975-02-06 | 1976-10-19 | Hewlett-Packard Company | Medical-analytical gas detector |
| US4019056A (en) * | 1975-04-28 | 1977-04-19 | Diax Corporation | Infrared laser detector employing a pressure controlled differential optoacoustic detector |
| US4033330A (en) * | 1975-09-08 | 1977-07-05 | Hewlett-Packard Company | Transcutaneous pH measuring instrument |
| DE2553565C3 (de) * | 1975-11-28 | 1980-02-07 | Hartmann & Braun Ag, 6000 Frankfurt | Vorrichtung zur Bestimmung der Stickoxidkonzentration in einem Gasgemisch |
| JPS5456882A (en) * | 1977-10-15 | 1979-05-08 | Horiba Ltd | Optical modulation motor |
| US4233513A (en) * | 1978-10-05 | 1980-11-11 | Andros Incorporated | Gas analyzer |
| NL94317C (OSRAM) * | 1978-11-29 | |||
| US4337396A (en) * | 1980-06-06 | 1982-06-29 | Suncor Inc. | Method for bitumen analysis and apparatus therefor |
| DE3137658C2 (de) * | 1981-09-22 | 1985-06-05 | H. Maihak Ag, 2000 Hamburg | Vorrichtung zur Messung der Konzentration eines IR-, NIR-, VIS- oder UV-Strahlung absorbierenden Gases in einer Gasmatrix |
| GB2110818B (en) * | 1981-11-14 | 1985-05-15 | Ferranti Ltd | Non-dispersive gas analyser |
| US4489239A (en) * | 1982-09-24 | 1984-12-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Portable remote laser sensor for methane leak detection |
| US4578762A (en) * | 1983-07-01 | 1986-03-25 | Tri-Med Inc. | Self-calibrating carbon dioxide analyzer |
| US4859858A (en) * | 1986-12-04 | 1989-08-22 | Cascadia Technology Corporation | Gas analyzers |
| US4859859A (en) * | 1986-12-04 | 1989-08-22 | Cascadia Technology Corporation | Gas analyzers |
| US4914719A (en) * | 1989-03-10 | 1990-04-03 | Criticare Systems, Inc. | Multiple component gas analyzer |
| US5026992A (en) * | 1989-09-06 | 1991-06-25 | Gaztech Corporation | Spectral ratioing technique for NDIR gas analysis using a differential temperature source |
| US5060505A (en) * | 1989-09-12 | 1991-10-29 | Sensors, Inc. | Non-dispersive infrared gas analyzer system |
| US5251121A (en) * | 1990-05-23 | 1993-10-05 | Ntc Technology, Inc. | Power supplies |
| US5703365A (en) * | 1994-03-25 | 1997-12-30 | Nippon Sanso Corporation | Infrared spectroscopic analysis method for gases and device employing the method therein |
| US5585635A (en) * | 1994-09-26 | 1996-12-17 | Marquette Electronics, Inc. | Infrared gas analyzer and method |
| US5721430A (en) * | 1995-04-13 | 1998-02-24 | Engelhard Sensor Technologies Inc. | Passive and active infrared analysis gas sensors and applicable multichannel detector assembles |
| US5650624A (en) * | 1995-04-13 | 1997-07-22 | Engelhard Sensor Technologies, Inc. | Passive infrared analysis gas sensor |
| FI101749B (fi) * | 1996-12-30 | 1998-08-14 | Instrumentarium Oy | Kaasukomponentin pitoisuuden tarkka mittaaminen kaasuseoksessa, jossa muut komponentit vaikuttavat pitoisuusmääritykseen |
| US6326620B1 (en) * | 1999-05-07 | 2001-12-04 | Leco Corporation | Switched mode NDIR system |
| US6469303B1 (en) | 2000-05-17 | 2002-10-22 | Rae Systems, Inc. | Non-dispersive infrared gas sensor |
| DE10036948A1 (de) * | 2000-07-28 | 2002-02-21 | Abb Patent Gmbh | Verfahren zur MO¶x¶-Messung |
| US6357279B1 (en) | 2001-01-29 | 2002-03-19 | Leco Corporation | Control circuit for thermal conductivity cell |
| US7214939B1 (en) | 2005-11-21 | 2007-05-08 | Airware, Inc. | Ultra low power NDIR carbon dioxide sensor fire detector |
| GB2429279B (en) * | 2005-11-23 | 2008-08-06 | Servomex Group Ltd | Method for cross interference correction for correlation spectroscopy |
| JP2010512503A (ja) * | 2006-08-31 | 2010-04-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光パワーエンハンスメントキャビティをもつ安定な光音響希ガス検出器 |
| US8097856B2 (en) * | 2009-08-21 | 2012-01-17 | Airware, Inc. | Super-miniaturized NDIR gas sensor |
| EP2478345A4 (en) * | 2009-08-21 | 2013-02-13 | Airware Inc | NON DISPERSIVE INFRARED GAS SENSORS WITH ABSORPTIONAL ORIENTATION |
| CN104111233B (zh) | 2010-02-16 | 2017-09-15 | 浜松光子学株式会社 | 气体浓度计算装置及气体浓度测量模块 |
| JP2011169645A (ja) * | 2010-02-16 | 2011-09-01 | Hamamatsu Photonics Kk | ガス濃度算出装置及びガス濃度計測モジュール |
| CN110462377A (zh) | 2016-12-09 | 2019-11-15 | 新加坡国立大学 | 气体传感器mems结构及其制造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3488491A (en) * | 1967-07-31 | 1970-01-06 | Melpar Inc | Filter techniques for gas analyzers employing an inert gas to pressure broaden the absorption spectrum of gas being detected |
| US3588496A (en) * | 1968-12-26 | 1971-06-28 | Gen Electric | Radiation analysis apparatus having an absorption chamber with partially reflective mirror surfaces |
-
1973
- 1973-01-02 US US00320137A patent/US3793525A/en not_active Expired - Lifetime
- 1973-10-02 CA CA182,498A patent/CA990970A/en not_active Expired
- 1973-12-14 JP JP48143883A patent/JPS5220358B2/ja not_active Expired
- 1973-12-17 GB GB5825073A patent/GB1451381A/en not_active Expired
- 1973-12-27 DE DE19732364775 patent/DE2364775B2/de not_active Ceased
-
1974
- 1974-01-02 IT IT47515/74A patent/IT1008645B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4999083A (OSRAM) | 1974-09-19 |
| GB1451381A (en) | 1976-09-29 |
| CA990970A (en) | 1976-06-15 |
| IT1008645B (it) | 1976-11-30 |
| JPS5220358B2 (OSRAM) | 1977-06-02 |
| US3793525A (en) | 1974-02-19 |
| DE2364775A1 (de) | 1974-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHV | Refusal |