ATE120859T1 - 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
ATE120859T1
ATE120859T1 AT89911449T AT89911449T ATE120859T1 AT E120859 T1 ATE120859 T1 AT E120859T1 AT 89911449 T AT89911449 T AT 89911449T AT 89911449 T AT89911449 T AT 89911449T AT E120859 T1 ATE120859 T1 AT E120859T1
Authority
AT
Austria
Prior art keywords
thermistors
magnetic field
pair
thermistor
temperature
Prior art date
Application number
AT89911449T
Other languages
English (en)
Inventor
Emilio Meyer
Original Assignee
Panametrics
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 filed Critical Panametrics
Application granted granted Critical
Publication of ATE120859T1 publication Critical patent/ATE120859T1/de

Links

Classifications

    • 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
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
AT89911449T 1988-10-03 1989-09-29 Verfarhren und vorrichtung zur messung der konzentration eines paramagnetischen gases. ATE120859T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/252,812 US4893495A (en) 1988-10-03 1988-10-03 Oxygen sensing method and apparatus

Publications (1)

Publication Number Publication Date
ATE120859T1 true ATE120859T1 (de) 1995-04-15

Family

ID=22957658

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89911449T ATE120859T1 (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
DE68922098T2 (de) 1995-09-07
EP0407491B1 (de) 1995-04-05
JP2814000B2 (ja) 1998-10-22
CA2000001A1 (en) 1990-04-03
EP0407491A1 (de) 1991-01-16
US4893495A (en) 1990-01-16
DE68922098D1 (de) 1995-05-11
EP0407491A4 (en) 1993-07-07
CA2000001C (en) 1995-03-14
JPH03501891A (ja) 1991-04-25
WO1990004170A1 (en) 1990-04-19

Similar Documents

Publication Publication Date Title
ATE203819T1 (de) Vorrichtung zur verbrennungslosen messung der qualität von gasförmigem brennstoff
KR850002303A (ko) 액체레벨을 측정하기 위한 열 시스템
ES2005406A6 (es) Un metodo y un sistema para indicar el cambio en la relacion de coeficientes de disipacion.
DK24183A (da) Apparat til bestemmelse af blodets haematokritvaerdi
DK465084D0 (da) Fremgangsmaade til bestemmelse af temperaturfoelsomheden i et omraade hos et individ og apparat til udoevelse af fremgangsmaaden
DE69005884D1 (de) Massenströmungsmesser mit Temperaturmesssonden.
ATE100581T1 (de) Sonde zur thermischen massenstrommessung von gasen und fluessigkeiten.
BR9000506A (pt) Processo e aparelho para a medicao de condutividade termica de gas,processo de operar um catarometro para determinar a proporcao de gas de teste retido em gas transportador e para a condutividade termica km de um gas e processo para a operacao de circuito eletrico de catarometro
ATE120859T1 (de) Verfarhren und vorrichtung zur messung der konzentration eines paramagnetischen gases.
DE3785659D1 (de) Einrichtung zur temperaturkompensation in einem thermischen massenstrommesser.
JP2947904B2 (ja) 酸素感知方法およびその装置
DE60328130D1 (de) Verfahren und vorrichtung zum messen der temperatur vonthermischen abstimmelementen in abstimmbaren optischen einrichtungen
US3471776A (en) Fluid bridge method and means of detecting gases having magnetic susceptibility
ATE82801T1 (de) Vorrichtung zur feststellung von gasfoermigen kohlenwasserstoffen.
FR2260796A1 (en) Measuring instrument for combustible gas concentrations in air - is unaffected by changes in gas mixture conductivity or ambient temp.
JPS6413446A (en) Differential type measurement method for specific heat by alternating current
US3187559A (en) Combustion gas analyzer
US3055207A (en) Gas analyser
FI91330C (fi) Menetelmä nestemäisen tai hyytyneen väliaineen tilanmuutosten tutkimiseksi ja tarkistamiseksi mainitun väliaineen lämpöominaisuuksien differentiaalimittauksella ja laite tämän menetelmän toteuttamiseksi
SU146908A1 (ru) Способ контрол концентрации вдыхаемых наркотиков при ингал ционном наркозе
RU1796839C (ru) Способ контрол продуктов сгорани
SU579569A1 (ru) Газосигнализатор
SU847074A1 (ru) Устройство дл измерени температуры
SU127474A1 (ru) Устройство дл определени количества парамагнитного газа (кислорода) в газовоздушной смеси
SU1529052A1 (ru) Устройство дл измерени температуры

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties