JPS6120808B2 - - Google Patents
Info
- Publication number
- JPS6120808B2 JPS6120808B2 JP53132287A JP13228778A JPS6120808B2 JP S6120808 B2 JPS6120808 B2 JP S6120808B2 JP 53132287 A JP53132287 A JP 53132287A JP 13228778 A JP13228778 A JP 13228778A JP S6120808 B2 JPS6120808 B2 JP S6120808B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- infrared
- detector
- background object
- measured
- 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
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
-
- 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
- G01N21/25—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
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13228778A JPS5558438A (en) | 1978-10-25 | 1978-10-25 | Device for measuring concentration by infrared ray |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13228778A JPS5558438A (en) | 1978-10-25 | 1978-10-25 | Device for measuring concentration by infrared ray |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5558438A JPS5558438A (en) | 1980-05-01 |
JPS6120808B2 true JPS6120808B2 (enrdf_load_stackoverflow) | 1986-05-23 |
Family
ID=15077746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13228778A Granted JPS5558438A (en) | 1978-10-25 | 1978-10-25 | Device for measuring concentration by infrared ray |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5558438A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE398360B (sv) * | 1975-10-28 | 1977-12-19 | Avtex Fibers Inc | Rayonfiber bestaende av en grundmassa av cellulosa med deri dispergerad polyvinylpyrrolidon |
JPS56147045A (en) * | 1980-04-18 | 1981-11-14 | Toshiba Corp | Analytical apparatus for gas component |
JPS5872037A (ja) * | 1981-10-27 | 1983-04-28 | Sanyo Electric Co Ltd | ガスセンサ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5290982A (en) * | 1976-01-26 | 1977-07-30 | Hokushin Electric Works | Two color moisture meter |
-
1978
- 1978-10-25 JP JP13228778A patent/JPS5558438A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5558438A (en) | 1980-05-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4271124A (en) | Non-dispersive infrared gas analyzer for testing gases containing water-vapor | |
US5464983A (en) | Method and apparatus for determining the concentration of a gas | |
US7957001B2 (en) | Wavelength-modulation spectroscopy method and apparatus | |
US5026992A (en) | Spectral ratioing technique for NDIR gas analysis using a differential temperature source | |
CN101595375B (zh) | 泄漏检测系统和方法 | |
US6583417B2 (en) | Infrared optical gas-measuring device and gas-measuring process | |
CN103439232A (zh) | 一种减光式烟尘颗粒浓度测量方法及其装置 | |
US2951939A (en) | Devices for analyzing fluid mixtures by absorption of rays | |
US4596931A (en) | Method of eliminating measuring errors in photometric analysis | |
US3730627A (en) | Signal processor | |
US3091690A (en) | Two path infrared gas analyzer having one enclosed path | |
US4468561A (en) | Nondispersive infrared gas analyzer | |
JPH03221843A (ja) | 光による分析計 | |
US3180984A (en) | Stabilized comparison analyzer and method of analyzing | |
JPS56147034A (en) | Gas leakage detector | |
JPS6120808B2 (enrdf_load_stackoverflow) | ||
US5528039A (en) | Method and apparatus for linearization of non-dispersive infrared detector response | |
CN212964616U (zh) | 具有湿度自动补偿功能的三通道红外探测器及其传感器 | |
JPH0133775B2 (enrdf_load_stackoverflow) | ||
CN217084640U (zh) | 一种基于傅里叶光谱仪窄带光源气体浓度探测装置 | |
JPS62273436A (ja) | 混合ガスの成分ガス濃度の検知方法およびその装置 | |
JPS57111423A (en) | Measuring device for absorption intensity of infrared ray by atr method | |
GB2116316A (en) | Infrared radiation gas analyzer | |
US11828705B2 (en) | Apparatus and method for spectroscopically detecting a sample | |
JP2000249652A (ja) | 大気環境モニタリング装置 |