ATE389171T1 - Verfahren und vorrichtung zur messung von gaskonzentrationen - Google Patents
Verfahren und vorrichtung zur messung von gaskonzentrationenInfo
- Publication number
- ATE389171T1 ATE389171T1 AT98200225T AT98200225T ATE389171T1 AT E389171 T1 ATE389171 T1 AT E389171T1 AT 98200225 T AT98200225 T AT 98200225T AT 98200225 T AT98200225 T AT 98200225T AT E389171 T1 ATE389171 T1 AT E389171T1
- Authority
- AT
- Austria
- Prior art keywords
- eac
- edc
- signal
- time
- isolated
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000005855 radiation Effects 0.000 abstract 3
- 230000005670 electromagnetic radiation Effects 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000000411 transmission spectrum Methods 0.000 abstract 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
- G01N21/27—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9701198A FR2759167B1 (fr) | 1997-01-31 | 1997-01-31 | Procede et dispositif de determination d'une concentration d'un volume de gaz |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE389171T1 true ATE389171T1 (de) | 2008-03-15 |
Family
ID=9503270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98200225T ATE389171T1 (de) | 1997-01-31 | 1998-01-27 | Verfahren und vorrichtung zur messung von gaskonzentrationen |
Country Status (6)
Country | Link |
---|---|
US (1) | US6133573A (de) |
EP (1) | EP0857964B1 (de) |
AT (1) | ATE389171T1 (de) |
DE (1) | DE69839236T2 (de) |
ES (1) | ES2302344T3 (de) |
FR (1) | FR2759167B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004028360B3 (de) * | 2004-06-11 | 2005-12-01 | Drägerwerk AG | Vorrichtung und Verfahren zur Bestimmung des Anteils einer Substanz in einer Gasprobe mit einem Infrarot-Messgerät |
RU2529755C1 (ru) * | 2013-05-07 | 2014-09-27 | Общество с ограниченной ответственностью Фирма "Тритон-ЭлектроникС" | Способ получения инфракрасного излучения |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4914720A (en) * | 1986-12-04 | 1990-04-03 | Cascadia Technology Corporation | Gas analyzers |
US4755665A (en) * | 1987-07-22 | 1988-07-05 | Square D Company | Light detector and signal processing circuit |
DE3812334A1 (de) * | 1988-04-14 | 1989-10-26 | Hartmann & Braun Ag | Interferometrische einrichtung |
US4998017A (en) * | 1989-05-01 | 1991-03-05 | Ryan Fredrick M | Method and arrangement for measuring the optical absorptions of gaseous mixtures |
GB9015800D0 (en) * | 1990-07-18 | 1990-09-05 | Secretary Trade Ind Brit | Optical long-path monitoring apparatus |
SE9202402L (sv) * | 1992-08-21 | 1993-08-23 | Siemens Elema Ab | Spektrofotometrisk metod och spektrofotometer foer att utfoera metoden |
US5429805A (en) * | 1993-01-08 | 1995-07-04 | Fuji Electric Co., Ltd. | Non-dispersive infrared gas analyzer including gas-filled radiation source |
FI96450C (fi) * | 1993-01-13 | 1996-06-25 | Vaisala Oy | Yksikanavainen kaasun pitoisuuden mittausmenetelmä ja -laitteisto |
FR2716973B1 (fr) * | 1994-03-03 | 1996-06-07 | Schlumberger Ind Sa | Procédé et dispositif de détermination de l'absorption d'un rayonnement électromagnétique par un gaz. |
-
1997
- 1997-01-31 FR FR9701198A patent/FR2759167B1/fr not_active Expired - Fee Related
-
1998
- 1998-01-22 US US09/012,086 patent/US6133573A/en not_active Expired - Fee Related
- 1998-01-27 DE DE69839236T patent/DE69839236T2/de not_active Expired - Lifetime
- 1998-01-27 ES ES98200225T patent/ES2302344T3/es not_active Expired - Lifetime
- 1998-01-27 EP EP98200225A patent/EP0857964B1/de not_active Expired - Lifetime
- 1998-01-27 AT AT98200225T patent/ATE389171T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6133573A (en) | 2000-10-17 |
FR2759167B1 (fr) | 1999-04-02 |
EP0857964B1 (de) | 2008-03-12 |
FR2759167A1 (fr) | 1998-08-07 |
DE69839236D1 (de) | 2008-04-24 |
ES2302344T3 (es) | 2008-07-01 |
DE69839236T2 (de) | 2009-03-05 |
EP0857964A1 (de) | 1998-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |