DE68922098D1 - Verfarhren und Vorrichtung zur Messung der Konzentration eines paramagnetischen Gases. - Google Patents

Verfarhren und Vorrichtung zur Messung der Konzentration eines paramagnetischen Gases.

Info

Publication number
DE68922098D1
DE68922098D1 DE68922098T DE68922098T DE68922098D1 DE 68922098 D1 DE68922098 D1 DE 68922098D1 DE 68922098 T DE68922098 T DE 68922098T DE 68922098 T DE68922098 T DE 68922098T DE 68922098 D1 DE68922098 D1 DE 68922098D1
Authority
DE
Germany
Prior art keywords
thermistors
magnetic field
pair
thermistor
temperature
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 - Lifetime
Application number
DE68922098T
Other languages
English (en)
Other versions
DE68922098T2 (de
Inventor
Emilio Meyer
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.)
Panametrics LLC
Original Assignee
Panametrics LLC
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 Panametrics LLC filed Critical Panametrics LLC
Application granted granted Critical
Publication of DE68922098D1 publication Critical patent/DE68922098D1/de
Publication of DE68922098T2 publication Critical patent/DE68922098T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids

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 Magnetic Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE68922098T 1988-10-03 1989-09-29 Verfarhren und Vorrichtung zur Messung der Konzentration eines paramagnetischen Gases. Expired - Lifetime DE68922098T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/252,812 US4893495A (en) 1988-10-03 1988-10-03 Oxygen sensing method and apparatus
PCT/US1989/004273 WO1990004170A1 (en) 1988-10-03 1989-09-29 Oxygen sensing method and apparatus

Publications (2)

Publication Number Publication Date
DE68922098D1 true DE68922098D1 (de) 1995-05-11
DE68922098T2 DE68922098T2 (de) 1995-09-07

Family

ID=22957658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922098T Expired - Lifetime DE68922098T2 (de) 1988-10-03 1989-09-29 Verfarhren und Vorrichtung zur Messung der Konzentration eines paramagnetischen Gases.

Country Status (7)

Country Link
US (1) US4893495A (de)
EP (1) EP0407491B1 (de)
JP (1) JP2814000B2 (de)
AT (1) ATE120859T1 (de)
CA (1) CA2000001C (de)
DE (1) DE68922098T2 (de)
WO (1) WO1990004170A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269170A (en) * 1992-11-25 1993-12-14 Panametrics, Inc. Measuring system and process using zero shift compensation circuit
US6112576A (en) * 1998-10-05 2000-09-05 Panametrics, Inc. Gas analyzer with background gas compensation
DE10037380B4 (de) * 1999-10-30 2005-03-31 Dräger Medical AG & Co. KGaA Vorrichtung und Verfahren zum Messen der Konzentration eines paramagnetischen Gases
US6389880B1 (en) * 2001-03-13 2002-05-21 Panametrics, Inc. Zero shift compensation oxygen sensor
EP3943929A1 (de) * 2020-07-23 2022-01-26 TE Connectivity Germany GmbH Vorrichtung zur messung des partialdrucks eines paramagnetischen oder diamagnetischen gases

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693103A (en) * 1950-07-25 1954-11-02 Hartmann & Braun Ag Magnetic gas measuring instrument
US2951359A (en) * 1954-04-17 1960-09-06 Hartmann & Braun Ag Method for compensating the influence of the carrier-gas in magnetic gasanalysers
US2883857A (en) * 1955-01-31 1959-04-28 Beckman Instruments Inc Apparatus for measuring oxygen content
US2944418A (en) * 1955-04-06 1960-07-12 Hartmann & Braun Ag Instrument for gas analysis
US3064465A (en) * 1958-06-30 1962-11-20 Robert D Richardson Gas analyzing apparatus
DE1079353B (de) * 1958-12-17 1960-04-07 Siemens Ag Magnetischer Sauerstoffmesser nach dem Hitzdrahtverfahren
DE1078789B (de) * 1959-01-22 1960-03-31 Siemens Ag Magnetischer Sauerstoffmesser
US3276244A (en) * 1963-09-09 1966-10-04 Hays Corp Paramagnetic oxygen analyzer measuring cell
US3292421A (en) * 1965-04-23 1966-12-20 Mine Safety Appliances Co Paramagnetic gas analyzer
US3435662A (en) * 1965-07-27 1969-04-01 Mine Safety Appliances Co Measuring circuit for a paramagnetic gas analyzer
US3616679A (en) * 1969-11-06 1971-11-02 Mine Safety Appliances Co Paramagnetic oxygen detector
US3646803A (en) * 1969-12-01 1972-03-07 Mine Safety Appliances Co Paramagnetic gas-measuring device
JPS537756U (de) * 1976-07-07 1978-01-23
NL7906868A (nl) * 1979-09-14 1981-03-17 Gould Godart Bv Gasanalysator.
JPS5847414U (ja) * 1981-09-26 1983-03-30 双葉工具株式会社 ベンチドリル

Also Published As

Publication number Publication date
JP2814000B2 (ja) 1998-10-22
CA2000001C (en) 1995-03-14
CA2000001A1 (en) 1990-04-03
EP0407491A4 (en) 1993-07-07
DE68922098T2 (de) 1995-09-07
JPH03501891A (ja) 1991-04-25
EP0407491A1 (de) 1991-01-16
US4893495A (en) 1990-01-16
EP0407491B1 (de) 1995-04-05
WO1990004170A1 (en) 1990-04-19
ATE120859T1 (de) 1995-04-15

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