DE69226833T2 - Thermischer Leitfähigkeitsdetektor mit einem Element - Google Patents
Thermischer Leitfähigkeitsdetektor mit einem ElementInfo
- Publication number
- DE69226833T2 DE69226833T2 DE69226833T DE69226833T DE69226833T2 DE 69226833 T2 DE69226833 T2 DE 69226833T2 DE 69226833 T DE69226833 T DE 69226833T DE 69226833 T DE69226833 T DE 69226833T DE 69226833 T2 DE69226833 T2 DE 69226833T2
- Authority
- DE
- Germany
- Prior art keywords
- thermal conductivity
- single element
- conductivity detector
- element thermal
- detector
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/748,588 US5265459A (en) | 1991-08-22 | 1991-08-22 | Single-element thermal conductivity detector |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69226833D1 DE69226833D1 (de) | 1998-10-08 |
DE69226833T2 true DE69226833T2 (de) | 1999-01-14 |
Family
ID=25010088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69226833T Expired - Fee Related DE69226833T2 (de) | 1991-08-22 | 1992-07-20 | Thermischer Leitfähigkeitsdetektor mit einem Element |
Country Status (4)
Country | Link |
---|---|
US (1) | US5265459A (de) |
EP (1) | EP0529295B1 (de) |
JP (1) | JP3278672B2 (de) |
DE (1) | DE69226833T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5587520A (en) * | 1995-09-29 | 1996-12-24 | Hewlett-Packard Company | Thermal conductivity detector |
IT1312311B1 (it) * | 1999-05-07 | 2002-04-15 | Thermoquest Italia Spa | Dispositivo per la misurazione della conducibilita' termica di unfluido |
DE19949327A1 (de) * | 1999-10-13 | 2001-04-19 | Grunewald Axel Ulrich | Verfahren und Einrichtung zur Bestimmung der Gaskonzentrationen in einem Gasgemisch |
US7140232B2 (en) * | 2002-12-16 | 2006-11-28 | Radiodetection Limited | Method and apparatus for multiple gas sensor |
US7213439B2 (en) * | 2005-03-28 | 2007-05-08 | Wyatt Technology Corporation | Automatic bridge balancing means and method for a capillary bridge viscometer |
US7506533B2 (en) * | 2005-09-02 | 2009-03-24 | Abb Inc. | Gas chromatograph module with an electronic device |
US7670046B2 (en) * | 2007-06-18 | 2010-03-02 | Iliya Mitov | Filled hotwire elements and sensors for thermal conductivity detectors |
US8302459B2 (en) * | 2009-03-27 | 2012-11-06 | Horiba, Ltd. | Thermal conductivity sensor |
WO2010121222A1 (en) * | 2009-04-17 | 2010-10-21 | Ametek Ameron, Llc | Gas monitoring system for determining a concentration of gas |
US9116160B2 (en) * | 2009-11-25 | 2015-08-25 | Siemens Aktiengesellschaft | Method and arrangement for gas chromatographic analysis of a gas sample |
JP5779130B2 (ja) * | 2012-03-27 | 2015-09-16 | アズビル株式会社 | 発電システム及びガス測定システム |
US9168407B2 (en) | 2013-08-30 | 2015-10-27 | Ametek Ameron, Llc | Calibration module and remote test sequence unit |
JP2017166826A (ja) * | 2016-03-14 | 2017-09-21 | Tdk株式会社 | ガスセンサ |
JP6729197B2 (ja) * | 2016-09-01 | 2020-07-22 | Tdk株式会社 | ガスセンサ |
CN110426423B (zh) * | 2019-08-08 | 2022-05-27 | 李琦 | 一种检测氖气中单项常量杂质气体含量的装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR790464A (fr) * | 1934-08-24 | 1935-11-21 | Cfcmug | Perfectionnements aux analyseurs de mélanges gazeux à fil chaud |
US2279231A (en) * | 1939-09-15 | 1942-04-07 | Westinghouse Electric & Mfg Co | Method and apparatus for determining the carbon pressure of gases |
BE509798A (de) * | 1951-03-08 | |||
US2687342A (en) * | 1952-10-15 | 1954-08-24 | Mine Safety Appliances Co | Method and apparatus for testing gas |
US2876064A (en) * | 1954-02-02 | 1959-03-03 | Mine Safety Appliances Co | Prevention of catalyst poisoning |
US3305000A (en) * | 1965-02-08 | 1967-02-21 | Barber Colman Co | Temperature control system for chromatographs |
US3519391A (en) * | 1967-09-22 | 1970-07-07 | Karl Winter | Method of and apparatus for measuring combustible constituents of gas samples |
US3864959A (en) * | 1971-12-16 | 1975-02-11 | Pye Ltd | Thermal conductivity detector apparatus |
FR2193487A5 (de) * | 1972-07-21 | 1974-02-15 | Onera (Off Nat Aerospatiale) | |
US4254654A (en) * | 1976-10-07 | 1981-03-10 | Hewlett-Packard Company | Modulated fluid detector |
NO148689C (no) * | 1976-12-20 | 1983-11-30 | Bronson M Potter | Detektorapparat for aa detektere naervaer av en ikke-blandbar fremmedvaeske paa overflaten av en annen vaeske |
DE2849033A1 (de) * | 1978-11-11 | 1980-05-22 | Hartmann & Braun Ag | Waermeleitfaehigkeitsmesszelle zur bestimmung der konzentration von uf tief 6 in h tief 2 |
US4419888A (en) * | 1979-06-14 | 1983-12-13 | Kabushikikaisha Shibaura Denshi Seisakusho | Humidity measuring method |
US4443793A (en) * | 1981-11-02 | 1984-04-17 | Calnor Of El Paso | Gas detection system |
US4813267A (en) * | 1987-03-05 | 1989-03-21 | The Perkin-Elmer Corporation | Thermal conductivity detector |
US4854155A (en) * | 1988-10-19 | 1989-08-08 | Mine Safety Appliances Company | Combustible gas detector having catalytic sensor stabilizing network |
-
1991
- 1991-08-22 US US07/748,588 patent/US5265459A/en not_active Expired - Lifetime
-
1992
- 1992-07-20 DE DE69226833T patent/DE69226833T2/de not_active Expired - Fee Related
- 1992-07-20 EP EP92112375A patent/EP0529295B1/de not_active Expired - Lifetime
- 1992-08-19 JP JP24144792A patent/JP3278672B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5265459A (en) | 1993-11-30 |
JPH05223771A (ja) | 1993-08-31 |
DE69226833D1 (de) | 1998-10-08 |
EP0529295B1 (de) | 1998-09-02 |
EP0529295A1 (de) | 1993-03-03 |
JP3278672B2 (ja) | 2002-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: APPLERA CORP., FOSTER CITY, CALIF., US |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: THE PERKIN-ELMER CORP., NORWALK, CONN., US |
|
8339 | Ceased/non-payment of the annual fee |