FR2465223B1 - - Google Patents

Info

Publication number
FR2465223B1
FR2465223B1 FR8019744A FR8019744A FR2465223B1 FR 2465223 B1 FR2465223 B1 FR 2465223B1 FR 8019744 A FR8019744 A FR 8019744A FR 8019744 A FR8019744 A FR 8019744A FR 2465223 B1 FR2465223 B1 FR 2465223B1
Authority
FR
France
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
Application number
FR8019744A
Other languages
French (fr)
Other versions
FR2465223A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gould Medical BV
Original Assignee
Gould Medical BV
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 Gould Medical BV filed Critical Gould Medical BV
Publication of FR2465223A1 publication Critical patent/FR2465223A1/fr
Application granted granted Critical
Publication of FR2465223B1 publication Critical patent/FR2465223B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
FR8019744A 1979-09-14 1980-09-12 Appareil d'analyse de gaz Granted FR2465223A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7906868A NL7906868A (nl) 1979-09-14 1979-09-14 Gasanalysator.

Publications (2)

Publication Number Publication Date
FR2465223A1 FR2465223A1 (fr) 1981-03-20
FR2465223B1 true FR2465223B1 (enExample) 1985-02-01

Family

ID=19833844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019744A Granted FR2465223A1 (fr) 1979-09-14 1980-09-12 Appareil d'analyse de gaz

Country Status (6)

Country Link
US (1) US4361802A (enExample)
JP (1) JPS5647748A (enExample)
DE (1) DE3034108A1 (enExample)
FR (1) FR2465223A1 (enExample)
GB (1) GB2059069B (enExample)
NL (1) NL7906868A (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572900A (en) * 1984-04-25 1986-02-25 The United States Of America As Represented By The Secretary Of The Navy Organic semiconductor vapor sensing method
FR2611907B1 (fr) * 1987-03-05 1989-06-16 Tolectromed Sarl Identificateur de fluides medicaux
JPS63271992A (ja) * 1987-04-28 1988-11-09 Sharp Corp 半導体レ−ザ素子
US4893495A (en) * 1988-10-03 1990-01-16 Panametrics, Inc. Oxygen sensing method and apparatus
DE3837951C3 (de) * 1988-11-09 1995-06-14 Winter Gaswarnanlagen Gmbh U Vorrichtung zur Konzentrationsmessung eines unerwünschten Gases in Luft
GB8909440D0 (en) * 1989-04-25 1989-06-14 Brewing Res Found Measurement of alcohol
DE9109034U1 (de) * 1991-07-22 1992-08-27 Siemens AG, 8000 München Vorrichtung zur Analyse von Gasen nach dem Wärmeleitfähigkeitsverfahren
US5448071A (en) * 1993-04-16 1995-09-05 Bruce W. McCaul Gas spectroscopy
US5625189A (en) * 1993-04-16 1997-04-29 Bruce W. McCaul Gas spectroscopy
WO1995004995A1 (en) * 1993-08-10 1995-02-16 Electric Power Research Institute, Inc. Dissolved gas sensing in a fluid under pressure
US5494826A (en) * 1994-04-18 1996-02-27 Gas Research Institute, Inc. Microcalorimeter sensor for the measurement of heat content of natural gas
US5621161A (en) * 1995-04-11 1997-04-15 Leyse; Robert H. Method for monitoring for the presence of dissolved gas in a fluid under pressure
DE10121610A1 (de) * 2001-05-04 2002-11-07 Abb Research Ltd Detektor
US20090291199A1 (en) * 2008-05-22 2009-11-26 Paul Andrew Chludzinski Apparatus and methods of control for coolant recycling
US8878598B2 (en) 2010-12-28 2014-11-04 British Virgin Islands Central Digital Inc. Sensing module
TW201227753A (en) * 2010-12-28 2012-07-01 British Virgin Islands Central Digital Inc Sensor temperature compensation circuit and method thereof
DE102014016712B4 (de) * 2014-11-13 2022-12-01 Dräger Safety AG & Co. KGaA Transportables Chipmesssystem und Verfahren zum Betrieb eines transportablen Chipmesssystems
JP6658862B2 (ja) * 2016-03-07 2020-03-04 株式会社島津製作所 熱伝導度検出器
DE102016205776A1 (de) * 2016-04-07 2017-10-12 Robert Bosch Gmbh Kalorimetrische Bestimmung einer Gaskonzentration

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565230A (en) * 1946-01-26 1951-08-21 William O Hebler Gas analysis apparatus
US3470355A (en) 1966-07-29 1969-09-30 Perkin Elmer Corp Filament protection for hot wire detectors
GB1372695A (en) 1971-12-07 1974-11-06 Pye Ltd Thermal conductivity detector apparatus
US3868846A (en) * 1973-07-02 1975-03-04 Ford Motor Co Circuit for converting a temperature dependent input signal to a temperature independent output signal
US3913379A (en) * 1973-10-18 1975-10-21 Tibor Rusz Dynamic gas analyzer
DE2627916C3 (de) * 1976-06-22 1978-12-21 Auergesellschaft Gmbh, 1000 Berlin Schaltungsanordnung für eine Meßbrücke eines Gasspürgerätes
US4057755A (en) * 1976-09-10 1977-11-08 Bodenseewerk Perkin-Elmer & Co., Gmbh Thermal conductivity detector circuit
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

Also Published As

Publication number Publication date
JPS5647748A (en) 1981-04-30
GB2059069B (en) 1983-11-16
GB2059069A (en) 1981-04-15
NL7906868A (nl) 1981-03-17
FR2465223A1 (fr) 1981-03-20
DE3034108A1 (de) 1981-04-02
US4361802A (en) 1982-11-30

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse