IN165935B - - Google Patents
Info
- Publication number
- IN165935B IN165935B IN251/DEL/86A IN251DE1986A IN165935B IN 165935 B IN165935 B IN 165935B IN 251DE1986 A IN251DE1986 A IN 251DE1986A IN 165935 B IN165935 B IN 165935B
- Authority
- IN
- India
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
- 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
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
- G01J2001/1652—Arrangements with two photodetectors, the signals of which are compared one detector being transparent before the other one
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3507572A DE3507572C2 (de) | 1985-03-04 | 1985-03-04 | Nichtdispersiver Infrarot-Gasanalysator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN165935B true IN165935B (es) | 1990-02-10 |
Family
ID=6264135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN251/DEL/86A IN165935B (es) | 1985-03-04 | 1986-03-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4700073A (es) |
| EP (1) | EP0196428B1 (es) |
| JP (1) | JPS61205847A (es) |
| CN (1) | CN86101338A (es) |
| DE (2) | DE3507572C2 (es) |
| IN (1) | IN165935B (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3561487B1 (de) * | 2018-04-25 | 2023-01-18 | ABB Schweiz AG | Messvorrichtung zur analyse einer zusammensetzung eines brenngases mit einer vor einem detektor angeordneten filterkammer |
| WO2022090106A1 (en) | 2020-10-26 | 2022-05-05 | Trinamix Gmbh | Optical detector and method for determining at least one property of at least one substance |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057794A (en) * | 1964-04-07 | 1967-02-08 | Ustav Pro Vyzkum A Vyuziti Tuh | Improvements in and relating to non-dispersive infra-red analysers |
| DD112174A1 (es) * | 1974-05-16 | 1975-03-20 | ||
| DE2524430A1 (de) * | 1975-06-03 | 1976-12-16 | Heinz Dr Rer Nat Hummel | Betriebsphotometer mit zwei empfaengerschichten |
| US4027972A (en) * | 1976-03-31 | 1977-06-07 | Andros Incorporated | Gas analyzer method and apparatus |
| DE2646580A1 (de) * | 1976-10-15 | 1978-04-20 | Hartmann & Braun Ag | Photometer fuer die stoffanalyse |
| US4425503A (en) * | 1980-08-05 | 1984-01-10 | The United States Of America As Represented By The Secretary Of The Army | Method for detecting the presence of a gas in an atmosphere |
| US4491730A (en) * | 1980-08-14 | 1985-01-01 | Panametrics, Inc. | Method and apparatus for feedback stabilized photometric detection in fluids |
| US4467435A (en) * | 1981-10-05 | 1984-08-21 | Beckman Instruments, Inc. | Infrared gas analyzer having detector elements of differing types |
| DE3426472C2 (de) * | 1984-07-18 | 1987-05-14 | Hartmann & Braun Ag, 6000 Frankfurt | Nichtdispersiver Infrarot-Analysator zur Gas- oder Flüssigkeitsanalyse |
| EP0168611B1 (de) * | 1984-07-18 | 1990-03-14 | Hartmann & Braun Aktiengesellschaft | Fotometer |
| US4605313A (en) * | 1985-04-10 | 1986-08-12 | Environmental Research & Technology, Inc. | Infrared detector for NDIR gas analysis |
-
1985
- 1985-03-04 DE DE3507572A patent/DE3507572C2/de not_active Expired
-
1986
- 1986-02-13 DE DE8686101843T patent/DE3662471D1/de not_active Expired
- 1986-02-13 EP EP86101843A patent/EP0196428B1/de not_active Expired
- 1986-03-03 CN CN198686101338A patent/CN86101338A/zh active Pending
- 1986-03-04 JP JP61045525A patent/JPS61205847A/ja active Pending
- 1986-03-04 US US06/836,102 patent/US4700073A/en not_active Expired - Fee Related
- 1986-03-18 IN IN251/DEL/86A patent/IN165935B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3662471D1 (en) | 1989-04-20 |
| CN86101338A (zh) | 1986-12-03 |
| JPS61205847A (ja) | 1986-09-12 |
| DE3507572C2 (de) | 1987-05-14 |
| EP0196428B1 (de) | 1989-03-15 |
| US4700073A (en) | 1987-10-13 |
| EP0196428A1 (de) | 1986-10-08 |
| DE3507572A1 (de) | 1986-09-04 |