DE2438294B2 - Infrarotgasanalysator - Google Patents
InfrarotgasanalysatorInfo
- Publication number
- DE2438294B2 DE2438294B2 DE19742438294 DE2438294A DE2438294B2 DE 2438294 B2 DE2438294 B2 DE 2438294B2 DE 19742438294 DE19742438294 DE 19742438294 DE 2438294 A DE2438294 A DE 2438294A DE 2438294 B2 DE2438294 B2 DE 2438294B2
- Authority
- DE
- Germany
- Prior art keywords
- laser
- gas analyzer
- sample
- infrared gas
- 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.)
- Granted
Links
- 238000010521 absorption reaction Methods 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 26
- 230000005855 radiation Effects 0.000 claims description 19
- 238000011156 evaluation Methods 0.000 claims description 14
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 27
- 230000005540 biological transmission Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 201000000761 achromatopsia Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742438294 DE2438294B2 (de) | 1974-08-09 | 1974-08-09 | Infrarotgasanalysator |
| NLAANVRAGE7509470,A NL175228C (nl) | 1974-08-09 | 1975-08-08 | Infrarode gasanalysator. |
| JP50096591A JPS5142588A (enExample) | 1974-08-09 | 1975-08-08 | |
| FR7524867A FR2281564A1 (fr) | 1974-08-09 | 1975-08-08 | Procede de mesure de faibles concentrations de gaz |
| GB33238/75A GB1523605A (en) | 1974-08-09 | 1975-08-08 | Method and arrangement for measuring small gas concentrations |
| US05/603,701 US4061918A (en) | 1974-08-09 | 1975-08-11 | Measurement of low concentration gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742438294 DE2438294B2 (de) | 1974-08-09 | 1974-08-09 | Infrarotgasanalysator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2438294A1 DE2438294A1 (de) | 1976-02-26 |
| DE2438294B2 true DE2438294B2 (de) | 1977-05-18 |
Family
ID=5922793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742438294 Granted DE2438294B2 (de) | 1974-08-09 | 1974-08-09 | Infrarotgasanalysator |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4061918A (enExample) |
| JP (1) | JPS5142588A (enExample) |
| DE (1) | DE2438294B2 (enExample) |
| FR (1) | FR2281564A1 (enExample) |
| GB (1) | GB1523605A (enExample) |
| NL (1) | NL175228C (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2822739C3 (de) * | 1978-05-24 | 1981-07-30 | Kaiser, Wolfgang, Prof.Dr.rer.nat., 8011 Baldham | Meßvorrichtung zur spektroskopischen Untersuchung von polyatomaren Molekülen |
| JPS5633498A (en) * | 1979-08-25 | 1981-04-03 | Toyo Sash Kk | Coloring method for anodic oxidation coating of aluminum or aluminum alloy |
| US4310762A (en) * | 1980-01-28 | 1982-01-12 | University Of Utah | Calorimetric trace analysis by laser induced thermal lens method |
| US4442349A (en) * | 1980-09-15 | 1984-04-10 | Baird Corporation | Circuitry for the generation and synchronous detection of optical pulsed signals |
| US4410273A (en) * | 1981-03-09 | 1983-10-18 | Laser Analytics, Inc. | Scanning laser spectrometer |
| CA1179861A (en) * | 1981-04-13 | 1984-12-27 | Australian Atomic Energy Commission | Method and apparatus for measuring the concentration of gaseous hydrogen fluoride |
| JPS5810631A (ja) * | 1981-07-13 | 1983-01-21 | Ushio Inc | 光照射装置 |
| GB2110818B (en) * | 1981-11-14 | 1985-05-15 | Ferranti Ltd | Non-dispersive gas analyser |
| GB2127537B (en) * | 1982-09-09 | 1986-09-10 | Laser Applic Limited | Gas detection apparatus |
| JPS5988645A (ja) * | 1982-11-12 | 1984-05-22 | Fujitsu Ltd | 赤外線透過率測定装置 |
| US4591718A (en) * | 1983-10-25 | 1986-05-27 | The United States Of America As Represented By The United States Department Of Energy | Photothermal method for in situ microanalysis of the chemical composition of coal samples |
| US4586026A (en) * | 1983-11-07 | 1986-04-29 | Liston Edwards, Inc. | Infrared gas analyzer using count quadrature sampling |
| US5331409A (en) * | 1992-06-12 | 1994-07-19 | George Thurtell | Tunable diode laser gas analyzer |
| US5797682A (en) * | 1993-02-10 | 1998-08-25 | Envirotest Systems Corp. | Device and method for measuring temperture of vehicle exhaust |
| IL111809A (en) * | 1993-12-09 | 1998-12-06 | Hughes Aircraft Co | Integrated detector for laser sensors |
| US5770156A (en) * | 1996-06-04 | 1998-06-23 | In Usa, Inc. | Gas detection and measurement system |
| US6010665A (en) * | 1996-10-18 | 2000-01-04 | In Usa, Inc. | Multi-wavelength based ozone measurement method and apparatus |
| JP3343680B2 (ja) * | 1999-07-12 | 2002-11-11 | 日本酸素株式会社 | レーザー分光分析装置 |
| DE10005923C2 (de) * | 2000-02-10 | 2002-06-27 | Draeger Safety Ag & Co Kgaa | Infrarotoptische Gasmessvorrichtung und Gasmessverfahren |
| US7884937B2 (en) * | 2007-04-19 | 2011-02-08 | Science & Engineering Services, Inc. | Airborne tunable mid-IR laser gas-correlation sensor |
| DE102011075530A1 (de) * | 2011-05-09 | 2012-01-26 | WTW Wissenschaftlich-Technische Werkstätten GmbH | Fotometer zur In-situ-Messung in Fluiden |
| JP2013113664A (ja) * | 2011-11-28 | 2013-06-10 | Yokogawa Electric Corp | レーザガス分析装置 |
| JP2014206541A (ja) * | 2014-07-01 | 2014-10-30 | 横河電機株式会社 | レーザガス分析装置 |
| CN104458638A (zh) * | 2014-12-18 | 2015-03-25 | 武汉宇虹环保产业发展有限公司 | 一种红外光谱双路测量装置及方法 |
| JP6128150B2 (ja) * | 2015-03-12 | 2017-05-17 | 横河電機株式会社 | レーザガス分析装置 |
| JP5971389B2 (ja) * | 2015-07-14 | 2016-08-17 | 横河電機株式会社 | レーザガス分析装置 |
| EP3602008B1 (en) * | 2017-03-20 | 2021-12-29 | Koninklijke Philips N.V. | Respiration gas monitor with automated and nonobtrusive filter calibration |
| CN109115730A (zh) * | 2018-11-02 | 2019-01-01 | 天津津航技术物理研究所 | 基于可调谐激光的光谱透过率测试系统及方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2123035B1 (enExample) * | 1969-07-21 | 1973-03-16 | Cameca | |
| US3614431A (en) * | 1970-10-01 | 1971-10-19 | Nasa | Miniature carbon dioxide sensor and methods |
| US3887473A (en) * | 1971-09-07 | 1975-06-03 | Bergishagen & Associates | Method and system for the infrared analysis of gases |
| US3790797A (en) * | 1971-09-07 | 1974-02-05 | S Sternberg | Method and system for the infrared analysis of gases |
| US3783284A (en) * | 1971-10-28 | 1974-01-01 | Texas Instruments Inc | Method and apparatus for detection of petroleum products |
| US3805074A (en) * | 1973-01-02 | 1974-04-16 | Texas Instruments Inc | Spectral scan air monitor |
| US3820901A (en) * | 1973-03-06 | 1974-06-28 | Bell Telephone Labor Inc | Measurement of concentrations of components of a gaseous mixture |
| US3853407A (en) * | 1973-04-23 | 1974-12-10 | Sensores Corp | Multiple path spectrophotometer method and apparatus |
| US3893771A (en) * | 1974-08-22 | 1975-07-08 | Diax Corp | Laser absorption spectroscopy |
-
1974
- 1974-08-09 DE DE19742438294 patent/DE2438294B2/de active Granted
-
1975
- 1975-08-08 FR FR7524867A patent/FR2281564A1/fr active Granted
- 1975-08-08 NL NLAANVRAGE7509470,A patent/NL175228C/xx not_active IP Right Cessation
- 1975-08-08 GB GB33238/75A patent/GB1523605A/en not_active Expired
- 1975-08-08 JP JP50096591A patent/JPS5142588A/ja active Pending
- 1975-08-11 US US05/603,701 patent/US4061918A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4061918A (en) | 1977-12-06 |
| DE2438294A1 (de) | 1976-02-26 |
| NL175228B (nl) | 1984-05-01 |
| GB1523605A (en) | 1978-09-06 |
| NL175228C (nl) | 1984-10-01 |
| FR2281564B1 (enExample) | 1977-12-16 |
| JPS5142588A (enExample) | 1976-04-10 |
| NL7509470A (nl) | 1976-02-11 |
| FR2281564A1 (fr) | 1976-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: HARTMANN & BRAUN AG, 6000 FRANKFURT, DE |
|
| 8339 | Ceased/non-payment of the annual fee |