NO119034B - - Google Patents

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Publication number
NO119034B
NO119034B NO3345/68A NO334568A NO119034B NO 119034 B NO119034 B NO 119034B NO 3345/68 A NO3345/68 A NO 3345/68A NO 334568 A NO334568 A NO 334568A NO 119034 B NO119034 B NO 119034B
Authority
NO
Norway
Prior art keywords
sens
current
bridge
wire
gas
Prior art date
Application number
NO3345/68A
Other languages
English (en)
Norwegian (no)
Inventor
M Oppegaard
Original Assignee
Oppegaard A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oppegaard A filed Critical Oppegaard A
Priority to NO3345/68A priority Critical patent/NO119034B/no
Priority to DE19691942205 priority patent/DE1942205A1/de
Priority to GB1252304D priority patent/GB1252304A/en
Priority to US853664A priority patent/US3616677A/en
Publication of NO119034B publication Critical patent/NO119034B/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G01N30/66—Thermal conductivity detectors
    • 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
    • G01N27/185—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 using a catharometer
NO3345/68A 1968-08-28 1968-08-28 NO119034B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NO3345/68A NO119034B (sv) 1968-08-28 1968-08-28
DE19691942205 DE1942205A1 (de) 1968-08-28 1969-08-19 Elektrische Brueckenschaltung zur Messung des Waermewegleitvermoegens der Umgebung eines Fuehlers
GB1252304D GB1252304A (sv) 1968-08-28 1969-08-22
US853664A US3616677A (en) 1968-08-28 1969-08-28 Electrical resistance bridge with a heat sensitive resistor for the measurement of the thermal dispersion within the ambience of the resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO3345/68A NO119034B (sv) 1968-08-28 1968-08-28

Publications (1)

Publication Number Publication Date
NO119034B true NO119034B (sv) 1970-03-16

Family

ID=19879546

Family Applications (1)

Application Number Title Priority Date Filing Date
NO3345/68A NO119034B (sv) 1968-08-28 1968-08-28

Country Status (4)

Country Link
US (1) US3616677A (sv)
DE (1) DE1942205A1 (sv)
GB (1) GB1252304A (sv)
NO (1) NO119034B (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864959A (en) * 1971-12-16 1975-02-11 Pye Ltd Thermal conductivity detector apparatus
LU76937A1 (sv) * 1977-03-11 1978-10-18
US4741198A (en) * 1986-10-06 1988-05-03 Beckman Industrial Corporation Thermal conductivity detector assembly
DE3711511C1 (de) * 1987-04-04 1988-06-30 Hartmann & Braun Ag Verfahren zur Bestimmung der Gaskonzentrationen in einem Gasgemisch und Sensor zur Messung der Waermeleitfaehigkeit
DE4034962C1 (en) * 1990-11-02 1992-06-04 Rainer 8027 Neuried De Pippig Quality control testing procedure for incandescent lamps - subjecting bulb to acceleration and measuring resultant change in resistance of filament
US5535614A (en) * 1993-11-11 1996-07-16 Nok Corporation Thermal conductivity gas sensor for measuring fuel vapor content
US5831146A (en) * 1996-05-09 1998-11-03 Cts Corporation Gas sensor with multiple exposed active elements
GB9612096D0 (en) * 1996-06-10 1996-08-14 Secr Defence Temperature probe
US20040163445A1 (en) * 2002-10-17 2004-08-26 Dimeo Frank Apparatus and process for sensing fluoro species in semiconductor processing systems
US7080545B2 (en) * 2002-10-17 2006-07-25 Advanced Technology Materials, Inc. Apparatus and process for sensing fluoro species in semiconductor processing systems
SE0300848D0 (sv) * 2003-03-26 2003-03-26 Siemens Elema Ab Acoustic Analysis of Gas Mixtures
US7191645B2 (en) * 2003-08-14 2007-03-20 Fluid Components International Llc Dynamic mixed gas flowmeter
US20060211253A1 (en) * 2005-03-16 2006-09-21 Ing-Shin Chen Method and apparatus for monitoring plasma conditions in an etching plasma processing facility
US7398681B2 (en) * 2005-09-22 2008-07-15 The Regents Of The University Of California Gas sensor based on dynamic thermal conductivity and molecular velocity
JP4790405B2 (ja) * 2005-12-16 2011-10-12 三菱電機株式会社 熱式流量センサ
WO2011064310A1 (de) * 2009-11-25 2011-06-03 Siemens Aktiengesellschaft Verfahren und anordnung zur gaschromatographischen analyse einer gasprobe

Also Published As

Publication number Publication date
US3616677A (en) 1971-11-02
DE1942205A1 (de) 1970-05-27
GB1252304A (sv) 1971-11-03

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