DE2457521A1 - Einrichtung fuer einen nichtdispersiven, kontinuierlich arbeitenden wechsellicht-infrarot-gasanalysator ohne mechanisch bewegte teile - Google Patents
Einrichtung fuer einen nichtdispersiven, kontinuierlich arbeitenden wechsellicht-infrarot-gasanalysator ohne mechanisch bewegte teileInfo
- Publication number
- DE2457521A1 DE2457521A1 DE19742457521 DE2457521A DE2457521A1 DE 2457521 A1 DE2457521 A1 DE 2457521A1 DE 19742457521 DE19742457521 DE 19742457521 DE 2457521 A DE2457521 A DE 2457521A DE 2457521 A1 DE2457521 A1 DE 2457521A1
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- detectors
- emission
- light
- emitters
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims abstract description 38
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 23
- 230000035945 sensitivity Effects 0.000 claims description 13
- 230000003595 spectral effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 230000006399 behavior Effects 0.000 description 4
- 206010070834 Sensitisation Diseases 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000004868 gas analysis Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008313 sensitization Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241000283903 Ovis aries Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000003313 weakening effect 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
- G01N21/35—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
- G01N21/59—Transmissivity
- G01N21/61—Non-dispersive gas analysers
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 |
|---|---|---|---|
| DD178551A DD112174A1 (enrdf_load_stackoverflow) | 1974-05-16 | 1974-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2457521A1 true DE2457521A1 (de) | 1975-12-04 |
Family
ID=5495787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742457521 Pending DE2457521A1 (de) | 1974-05-16 | 1974-12-05 | Einrichtung fuer einen nichtdispersiven, kontinuierlich arbeitenden wechsellicht-infrarot-gasanalysator ohne mechanisch bewegte teile |
Country Status (2)
| Country | Link |
|---|---|
| DD (1) | DD112174A1 (enrdf_load_stackoverflow) |
| DE (1) | DE2457521A1 (enrdf_load_stackoverflow) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3507572A1 (de) * | 1985-03-04 | 1986-09-04 | Hartmann & Braun Ag, 6000 Frankfurt | Fotometer |
| DE3509532A1 (de) * | 1985-03-16 | 1986-09-18 | Hartmann & Braun Ag, 6000 Frankfurt | Fotometer |
| DE3525148A1 (de) * | 1985-07-13 | 1987-04-02 | Hartmann & Braun Ag | Gasanalysator mit grossflaechigem pyroelektrischem detektor |
| DE19628310A1 (de) * | 1995-10-25 | 1997-04-30 | Draegerwerk Ag | Optischer Gasanalysator |
| DE19605054A1 (de) * | 1996-02-12 | 1997-09-18 | Palocz Andresen Michael Dr Ing | Low-cost-Mehrkanal-Gasanalysator |
| DE10221708A1 (de) * | 2002-05-16 | 2003-12-04 | Infratec Gmbh Infrarotsensorik | Verfahren und NDIR-Gasanalysator zur Bestimmung der Konzentration von Gasen und Dämpfen |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902896A (en) * | 1987-05-08 | 1990-02-20 | Mine Safety Appliances Company | Infrared fluid analyzer |
-
1974
- 1974-05-16 DD DD178551A patent/DD112174A1/xx unknown
- 1974-12-05 DE DE19742457521 patent/DE2457521A1/de active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3507572A1 (de) * | 1985-03-04 | 1986-09-04 | Hartmann & Braun Ag, 6000 Frankfurt | Fotometer |
| DE3509532A1 (de) * | 1985-03-16 | 1986-09-18 | Hartmann & Braun Ag, 6000 Frankfurt | Fotometer |
| DE3525148A1 (de) * | 1985-07-13 | 1987-04-02 | Hartmann & Braun Ag | Gasanalysator mit grossflaechigem pyroelektrischem detektor |
| DE19628310A1 (de) * | 1995-10-25 | 1997-04-30 | Draegerwerk Ag | Optischer Gasanalysator |
| DE19628310C2 (de) * | 1995-10-25 | 1998-05-14 | Draegerwerk Ag | Optischer Gasanalysator |
| DE19605054A1 (de) * | 1996-02-12 | 1997-09-18 | Palocz Andresen Michael Dr Ing | Low-cost-Mehrkanal-Gasanalysator |
| DE19605054C2 (de) * | 1996-02-12 | 1999-09-02 | Palocz Andresen | Mehrkanalgasanalysator zur Bestimmung von Gaskomponenten eines Gases in Kompaktform |
| DE10221708A1 (de) * | 2002-05-16 | 2003-12-04 | Infratec Gmbh Infrarotsensorik | Verfahren und NDIR-Gasanalysator zur Bestimmung der Konzentration von Gasen und Dämpfen |
| DE10221708B4 (de) * | 2002-05-16 | 2004-09-30 | Infratec Gmbh Infrarotsensorik Und Messtechnik | Verfahren zur Bestimmung der Konzentration von Gasen und Dämpfen und nichtdispersiver Infrarot-Gasanalysator zur Durchführung des Verfahrens |
Also Published As
| Publication number | Publication date |
|---|---|
| DD112174A1 (enrdf_load_stackoverflow) | 1975-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHW | Rejection |