NL7906868A - Gasanalysator. - Google Patents

Gasanalysator. Download PDF

Info

Publication number
NL7906868A
NL7906868A NL7906868A NL7906868A NL7906868A NL 7906868 A NL7906868 A NL 7906868A NL 7906868 A NL7906868 A NL 7906868A NL 7906868 A NL7906868 A NL 7906868A NL 7906868 A NL7906868 A NL 7906868A
Authority
NL
Netherlands
Prior art keywords
bridge
gas
resistance
gas analyzer
resistance wires
Prior art date
Application number
NL7906868A
Other languages
English (en)
Dutch (nl)
Original Assignee
Gould Godart 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 Godart Bv filed Critical Gould Godart Bv
Priority to NL7906868A priority Critical patent/NL7906868A/nl
Priority to US06/185,541 priority patent/US4361802A/en
Priority to DE19803034108 priority patent/DE3034108A1/de
Priority to FR8019744A priority patent/FR2465223A1/fr
Priority to JP12617980A priority patent/JPS5647748A/ja
Priority to GB8029493A priority patent/GB2059069B/en
Publication of NL7906868A publication Critical patent/NL7906868A/nl

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)
NL7906868A 1979-09-14 1979-09-14 Gasanalysator. NL7906868A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL7906868A NL7906868A (nl) 1979-09-14 1979-09-14 Gasanalysator.
US06/185,541 US4361802A (en) 1979-09-14 1980-09-09 Gas analyzer
DE19803034108 DE3034108A1 (de) 1979-09-14 1980-09-11 Gasanalysator
FR8019744A FR2465223A1 (fr) 1979-09-14 1980-09-12 Appareil d'analyse de gaz
JP12617980A JPS5647748A (en) 1979-09-14 1980-09-12 Gas analyzer
GB8029493A GB2059069B (en) 1979-09-14 1980-09-12 Gas analyser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7906868A NL7906868A (nl) 1979-09-14 1979-09-14 Gasanalysator.
NL7906868 1979-09-14

Publications (1)

Publication Number Publication Date
NL7906868A true NL7906868A (nl) 1981-03-17

Family

ID=19833844

Family Applications (1)

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

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
FR2465223B1 (enExample) 1985-02-01
GB2059069B (en) 1983-11-16
GB2059069A (en) 1981-04-15
FR2465223A1 (fr) 1981-03-20
DE3034108A1 (de) 1981-04-02
US4361802A (en) 1982-11-30

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A85 Still pending on 85-01-01
BC A request for examination has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

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DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

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CNR Transfer of rights (patent application after its laying open for public inspection)

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