GB1352977A - Detection devices for use in infra-red gas analysis - Google Patents
Detection devices for use in infra-red gas analysisInfo
- Publication number
- GB1352977A GB1352977A GB940672A GB940672A GB1352977A GB 1352977 A GB1352977 A GB 1352977A GB 940672 A GB940672 A GB 940672A GB 940672 A GB940672 A GB 940672A GB 1352977 A GB1352977 A GB 1352977A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- volumes
- detecting
- infrared
- gas analysis
- 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.)
- Expired
Links
- 238000004868 gas analysis Methods 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 title 1
- 230000005484 gravity Effects 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000005855 radiation Effects 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
- G01N21/31—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712109568 DE2109568A1 (de) | 1971-03-01 | 1971-03-01 | Nachweissystem für ein Ultrarot-Gasanalysegerät |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1352977A true GB1352977A (en) | 1974-05-15 |
Family
ID=5800128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB940672A Expired GB1352977A (en) | 1971-03-01 | 1972-02-29 | Detection devices for use in infra-red gas analysis |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5129837B1 (enrdf_load_stackoverflow) |
BE (1) | BE780056A (enrdf_load_stackoverflow) |
DE (1) | DE2109568A1 (enrdf_load_stackoverflow) |
FR (1) | FR2127853A5 (enrdf_load_stackoverflow) |
GB (1) | GB1352977A (enrdf_load_stackoverflow) |
IT (1) | IT947898B (enrdf_load_stackoverflow) |
LU (1) | LU64854A1 (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5852308A (en) * | 1997-06-30 | 1998-12-22 | Honeywell Inc. | Micromachined inferential opto-thermal gas sensor |
US5869749A (en) * | 1997-04-30 | 1999-02-09 | Honeywell Inc. | Micromachined integrated opto-flow gas/liquid sensor |
US5892140A (en) * | 1997-04-30 | 1999-04-06 | Honeywell Inc. | Micromachined inferential opto-thermal gas sensor |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2702978A1 (de) * | 1976-01-26 | 1977-08-04 | Fuji Electric Co Ltd | Einrichtung zur kompensation pneumatischer stoereffekte bei infrarot-gasanalysegeraeten |
DE7640723U1 (de) * | 1976-12-27 | 1977-06-16 | Hartmann & Braun Ag, 6000 Frankfurt | Pneumatischer strahlungsdetektor |
JPS54143151A (en) * | 1978-04-28 | 1979-11-08 | Hitachi Ltd | Heat-sensitive recorder |
JPS5976351U (ja) * | 1982-11-17 | 1984-05-23 | 株式会社リコー | サ−マルヘツドの位置決め装置 |
DE9014162U1 (de) * | 1990-10-11 | 1990-12-20 | Siemens AG, 8000 München | Pneumatischer Zweischichtdetektor für NDIR-Gasanalysatoren |
DE10104556A1 (de) * | 2001-02-01 | 2002-02-07 | Siemens Ag | Nichtdispersiver Infrarot-Gasanalysator |
-
1971
- 1971-03-01 DE DE19712109568 patent/DE2109568A1/de active Pending
-
1972
- 1972-02-25 IT IT2102872A patent/IT947898B/it active
- 1972-02-28 LU LU64854D patent/LU64854A1/xx unknown
- 1972-02-29 GB GB940672A patent/GB1352977A/en not_active Expired
- 1972-02-29 FR FR7206778A patent/FR2127853A5/fr not_active Expired
- 1972-03-01 JP JP47021405A patent/JPS5129837B1/ja active Pending
- 1972-03-01 BE BE780056A patent/BE780056A/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5869749A (en) * | 1997-04-30 | 1999-02-09 | Honeywell Inc. | Micromachined integrated opto-flow gas/liquid sensor |
US5892140A (en) * | 1997-04-30 | 1999-04-06 | Honeywell Inc. | Micromachined inferential opto-thermal gas sensor |
US5852308A (en) * | 1997-06-30 | 1998-12-22 | Honeywell Inc. | Micromachined inferential opto-thermal gas sensor |
Also Published As
Publication number | Publication date |
---|---|
IT947898B (it) | 1973-05-30 |
JPS5129837B1 (enrdf_load_stackoverflow) | 1976-08-27 |
LU64854A1 (enrdf_load_stackoverflow) | 1972-07-05 |
FR2127853A5 (enrdf_load_stackoverflow) | 1972-10-13 |
BE780056A (fr) | 1972-09-01 |
DE2109568A1 (de) | 1972-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES403465A1 (es) | Perfeccionamientos en dispositivos medidores de la opacidadde fluidos, particularmente de humos. | |
GB1223453A (en) | Apparatus for sensing the turbidity of a fluid | |
GB1352977A (en) | Detection devices for use in infra-red gas analysis | |
GB1156090A (en) | A Method for Objectively Testing Ampoules for the Presence of Extraneous Particles in the Ampoule Liquid. | |
GB1276194A (en) | Non-dispersive infrared gas analyzer with unbalanced operation | |
GB1330101A (en) | Method of nondestructive measurement of the state of a surface | |
IT973442B (it) | Analizzatore non dispersivo all infrarosso avente fasci di analisi e di riferimento che impiega un rivelatore sensibile al flusso e a funzionamento sbilanciato | |
GB1337076A (en) | Differential refractometer | |
GB645576A (en) | Improvements in or relating to infra-red gas analysing apparatus | |
GB1173415A (en) | Non-dispersive Selective Infrared Gas Analysis | |
JPS5510534A (en) | Photo-acoustic analyzer | |
JPS5421896A (en) | No2 densitometer | |
JPS5547437A (en) | Light-sound analyzer | |
FR2413661A1 (fr) | Dispositif de mesure de la vitesse de sedimentation d'echantillons de sang | |
JPS52124388A (en) | Measurement of exhaust gas | |
JPS5238955A (en) | Measuring device of gas leakage | |
JPS5558438A (en) | Device for measuring concentration by infrared ray | |
GB1348233A (en) | Adjustment of optical radiation transmission in optical apparatus | |
GB1164775A (en) | Improvements in or relating to a selective twin-beam infra-red gas analyser | |
GB1402095A (en) | Analysis of moving fluids | |
JPS5548637A (en) | Photoacoustic detector | |
CA974596A (en) | Method and apparatus for testing welded pipe for anomalies with means to change the sensitivity when testing the welded area | |
JPS52127280A (en) | Gas analyzer | |
GB661990A (en) | Apparatus for continuous gas analysis | |
GB1391858A (en) | Detector apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |