NL7906551A - Gasanalyse-inrichting. - Google Patents
Gasanalyse-inrichting. Download PDFInfo
- Publication number
- NL7906551A NL7906551A NL7906551A NL7906551A NL7906551A NL 7906551 A NL7906551 A NL 7906551A NL 7906551 A NL7906551 A NL 7906551A NL 7906551 A NL7906551 A NL 7906551A NL 7906551 A NL7906551 A NL 7906551A
- Authority
- NL
- Netherlands
- Prior art keywords
- reference cell
- gas
- attenuator
- measuring
- signal
- Prior art date
Links
- 238000004868 gas analysis Methods 0.000 title description 3
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 19
- 239000007789 gas Substances 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising 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
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
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)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI782692A FI56902C (fi) | 1978-09-01 | 1978-09-01 | Gasanalysator |
| FI782692 | 1978-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7906551A true NL7906551A (nl) | 1980-03-04 |
Family
ID=8511976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7906551A NL7906551A (nl) | 1978-09-01 | 1979-08-31 | Gasanalyse-inrichting. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4266131A (fi) |
| JP (1) | JPS5554432A (fi) |
| DE (1) | DE2935509A1 (fi) |
| FI (1) | FI56902C (fi) |
| FR (1) | FR2435030A1 (fi) |
| GB (1) | GB2031146B (fi) |
| NL (1) | NL7906551A (fi) |
| SE (1) | SE440407B (fi) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370553A (en) * | 1980-07-02 | 1983-01-25 | Sensors, Inc. | Contaminated sample gas analyzer and gas cell therefor |
| US4413427A (en) * | 1981-07-29 | 1983-11-08 | Aer Corporation | Fuel control system for dryer |
| US4499377A (en) * | 1982-09-29 | 1985-02-12 | Acme Engineering Products Ltd. | Detection and control system based on ambient air quality |
| FI67625C (fi) * | 1983-04-06 | 1985-04-10 | Instrumentarium Oy | Foerfarande foer eliminering av maetningsfel vid fotometeranalys |
| JPH0432601Y2 (fi) * | 1985-12-20 | 1992-08-05 | ||
| DE3627232C2 (de) * | 1986-08-11 | 1995-11-16 | Leybold Ag | Fotometer |
| US4907166A (en) * | 1986-10-17 | 1990-03-06 | Nellcor, Inc. | Multichannel gas analyzer and method of use |
| US4817013A (en) * | 1986-10-17 | 1989-03-28 | Nellcor, Inc. | Multichannel gas analyzer and method of use |
| US5510269A (en) * | 1992-11-20 | 1996-04-23 | Sensors, Inc. | Infrared method and apparatus for measuring gas concentration including electronic calibration |
| DE4342246C2 (de) * | 1993-12-10 | 1997-03-20 | Karl Stefan Riener | Charakteristische Absorption |
| US5464983A (en) * | 1994-04-05 | 1995-11-07 | Industrial Scientific Corporation | Method and apparatus for determining the concentration of a gas |
| US5870185A (en) * | 1996-10-21 | 1999-02-09 | C.F.C. Technology, Inc. | Apparatus and method for fluid analysis |
| US5925831A (en) | 1997-10-18 | 1999-07-20 | Cardiopulmonary Technologies, Inc. | Respiratory air flow sensor |
| US6809807B1 (en) | 1999-03-09 | 2004-10-26 | Integ, Inc. | Body fluid analyte measurement |
| US7321424B2 (en) * | 2004-08-05 | 2008-01-22 | Acton Research Corp. | Self-referencing instrument and method thereof for measuring electromagnetic properties |
| US11204378B2 (en) * | 2019-12-30 | 2021-12-21 | Texas Instruments Incorporated | Background suppression for MM-wave spectroscopy |
| US11652455B2 (en) * | 2021-02-11 | 2023-05-16 | Cirrus Logic, Inc. | Chop tone management for a current sensor or a voltage sensor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116413A (en) * | 1959-07-04 | 1963-12-31 | Hartmann & Braun Ag | Apparatus for the analysis of gas mixtures by absorption of radiation |
| US3193676A (en) * | 1961-12-15 | 1965-07-06 | Parsons & Co Sir Howard G | Infra-red gas analysers |
| US3560736A (en) * | 1968-10-09 | 1971-02-02 | Mine Safety Appliances Co | Non-dispersive infrared gas analyzer with unbalanced operation |
| US3790797A (en) * | 1971-09-07 | 1974-02-05 | S Sternberg | Method and system for the infrared analysis of gases |
| US4008394A (en) * | 1973-06-28 | 1977-02-15 | Sensors, Inc. | Gas analyzing |
| US4087690A (en) * | 1976-06-22 | 1978-05-02 | E. I. Du Pont De Nemours And Company | Spurious radiation compensation in infrared analyzers |
| GB1560613A (en) * | 1977-03-24 | 1980-02-06 | Yokogawa Electric Works Ltd | Infrared gas analyzer |
-
1978
- 1978-09-01 FI FI782692A patent/FI56902C/fi not_active IP Right Cessation
-
1979
- 1979-08-31 SE SE7907265A patent/SE440407B/sv not_active IP Right Cessation
- 1979-08-31 GB GB7930187A patent/GB2031146B/en not_active Expired
- 1979-08-31 FR FR7921949A patent/FR2435030A1/fr active Granted
- 1979-08-31 US US06/071,564 patent/US4266131A/en not_active Expired - Lifetime
- 1979-08-31 NL NL7906551A patent/NL7906551A/nl active Search and Examination
- 1979-09-01 JP JP11233779A patent/JPS5554432A/ja active Pending
- 1979-09-03 DE DE19792935509 patent/DE2935509A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| SE7907265L (sv) | 1980-03-02 |
| FI56902B (fi) | 1979-12-31 |
| US4266131A (en) | 1981-05-05 |
| DE2935509A1 (de) | 1980-03-13 |
| GB2031146B (en) | 1983-01-06 |
| FI56902C (fi) | 1980-04-10 |
| SE440407B (sv) | 1985-07-29 |
| JPS5554432A (en) | 1980-04-21 |
| FR2435030A1 (fr) | 1980-03-28 |
| FR2435030B1 (fi) | 1984-06-29 |
| GB2031146A (en) | 1980-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BN | A decision not to publish the application has become irrevocable |