DE3034108A1 - Gasanalysator - Google Patents

Gasanalysator

Info

Publication number
DE3034108A1
DE3034108A1 DE19803034108 DE3034108A DE3034108A1 DE 3034108 A1 DE3034108 A1 DE 3034108A1 DE 19803034108 DE19803034108 DE 19803034108 DE 3034108 A DE3034108 A DE 3034108A DE 3034108 A1 DE3034108 A1 DE 3034108A1
Authority
DE
Germany
Prior art keywords
bridge
gas
resistance
gas analyzer
wheatstone
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.)
Ceased
Application number
DE19803034108
Other languages
German (de)
English (en)
Inventor
Johannes Gerardus Theodorus Bunnik Luijpers
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 Bilthoven Nl
Original Assignee
Gould Godart Bilthoven BV
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 Bilthoven BV, Gould Godart BV filed Critical Gould Godart Bilthoven BV
Publication of DE3034108A1 publication Critical patent/DE3034108A1/de
Ceased 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)
DE19803034108 1979-09-14 1980-09-11 Gasanalysator Ceased DE3034108A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3034108A1 true DE3034108A1 (de) 1981-04-02

Family

ID=19833844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803034108 Ceased DE3034108A1 (de) 1979-09-14 1980-09-11 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837951A1 (de) * 1988-11-09 1990-05-10 Winter Gaswarnanlagen Gmbh U Vorrichtung zur konzentrationsmessung eines unerwuenschten gases in luft
DE10121610A1 (de) * 2001-05-04 2002-11-07 Abb Research Ltd Detektor

Families Citing this family (17)

* 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
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
US20090291199A1 (en) * 2008-05-22 2009-11-26 Paul Andrew Chludzinski Apparatus and methods of control for coolant recycling
TW201227753A (en) * 2010-12-28 2012-07-01 British Virgin Islands Central Digital Inc Sensor temperature compensation circuit and method thereof
US8878598B2 (en) 2010-12-28 2014-11-04 British Virgin Islands Central Digital Inc. Sensing module
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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Jentzsch, Dietrich *
Jentzsch, Dietrich Otte, Eginhard: Detektoren in der Gaschromatographie, Frnakfurt/M 1970, Akademische Verlagsgesellschaft, S. 110-121
Otte, Eginhard: Detektoren in der Gaschromatographie, Frnakfurt/M 1970, Akademische Verlagsgesellschaft,S. 110-121 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837951A1 (de) * 1988-11-09 1990-05-10 Winter Gaswarnanlagen Gmbh U Vorrichtung zur konzentrationsmessung eines unerwuenschten gases in luft
DE10121610A1 (de) * 2001-05-04 2002-11-07 Abb Research Ltd Detektor

Also Published As

Publication number Publication date
JPS5647748A (en) 1981-04-30
US4361802A (en) 1982-11-30
FR2465223B1 (enExample) 1985-02-01
GB2059069A (en) 1981-04-15
NL7906868A (nl) 1981-03-17
GB2059069B (en) 1983-11-16
FR2465223A1 (fr) 1981-03-20

Similar Documents

Publication Publication Date Title
DE3034108A1 (de) Gasanalysator
DE3227242C2 (enExample)
DE3001552C2 (enExample)
DE2917237C2 (enExample)
DE3836338A1 (de) Temperaturkompensierte stromquellenschaltung mit zwei anschluessen
DE1020816B (de) Vorrichtung zur quantitativen Bestimmung mindestens einer Komponente eines Gasgemisches
EP0003617B1 (de) Umschalteinrichtung mit einem Verzweigungsstück zwischen zwei gaschromatographischen Trennsäulen
DE69100320T2 (de) Massen-Strömungssensor mit breitem dynamischen Bereich.
DE1498653A1 (de) Verfahren und Vorrichtung zur Oberflaechenmessung von Feststoffen
DE3309404A1 (de) Einrichtung zur messung des massendurchsatzes eines stroemenden mediums
DE3106575A1 (de) "verstaerkerstufe mit regelbarem verstaerkungsfaktor, die mit feldeffekttransistoren ausgefuehrt ist"
DE3306462C2 (enExample)
DE3843397C2 (enExample)
DE1498361A1 (de) Verfahren und Vorrichtung zur Herstellung von Gasgemischen
DE68910869T2 (de) Stromteilerschaltung.
DE1276733B (de) Logarithmischer Stromverstaerker zur Anzeige einer Groesse auf einem Messinstrument
DE3026741C2 (de) Spannungsteilerschaltung
DE425518C (de) Verfahren und Einrichtungen zur Bestimmung der Bestandteile eines Gasgemisches von mindestens drei Gasen unter Ausnutzung der verschiedenen Temperaturabhaengigkeiten irgendeiner physikalischen Eigenschaft der Gase des Gemisches
DE2445550A1 (de) Brenngasfuehler
DE3902408A1 (de) Verfahren zur messung der hysterese von weichmagnetischem material
DE2340158C2 (de) Schaltungsanordnung zur Fernmessung von Widerständen
AT266256B (de) Gleichstromkompensatoranordnung
DE1598073B1 (de) Tragbares Messgeraet zur Bestimmung des Sauerstoffgehaltes eines Gases,insbesondere von Wettergemischen im Bergbau
DE2615106A1 (de) Verfahren und vorrichtung zum ueberwachen, anzeigen oder steuern des volumenverhaeltnisses zwischen miteinander gemischten gasen
DE2508801B2 (de) Schaltungsanordnung zur selektiven Abgabe von Konstantströmen wahlweise der einen oder der anderen Polarität

Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: GOULD MEDICAL B.V., BILTHOVEN, NL

8110 Request for examination paragraph 44
8131 Rejection