ZA902448B - Pseudo-continuous process for interrogating a combustible gas detector - Google Patents

Pseudo-continuous process for interrogating a combustible gas detector

Info

Publication number
ZA902448B
ZA902448B ZA902448A ZA902448A ZA902448B ZA 902448 B ZA902448 B ZA 902448B ZA 902448 A ZA902448 A ZA 902448A ZA 902448 A ZA902448 A ZA 902448A ZA 902448 B ZA902448 B ZA 902448B
Authority
ZA
South Africa
Prior art keywords
pct
phase
concentration
combustible gas
gaseous medium
Prior art date
Application number
ZA902448A
Other languages
English (en)
Inventor
Antoinette Accorsi
Accorsi Antoinette
Andree Wattier
Wattier Andree
Marc Kazmierczak
Kazmierczak Marc
Original Assignee
Charbonnages De France
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 Charbonnages De France filed Critical Charbonnages De France
Publication of ZA902448B publication Critical patent/ZA902448B/xx

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
    • G01N27/02—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
    • G01N27/16—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 burning or catalytic oxidation of surrounding material to be tested, e.g. of gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Emergency Alarm Devices (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
ZA902448A 1989-04-06 1990-03-29 Pseudo-continuous process for interrogating a combustible gas detector ZA902448B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8904547A FR2645646B1 (fr) 1989-04-06 1989-04-06 Procede pseudo-continu d'interrogation d'un detecteur de gaz oxydable

Publications (1)

Publication Number Publication Date
ZA902448B true ZA902448B (en) 1991-01-30

Family

ID=9380455

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA902448A ZA902448B (en) 1989-04-06 1990-03-29 Pseudo-continuous process for interrogating a combustible gas detector

Country Status (15)

Country Link
US (1) US5234837A (pl)
EP (1) EP0466831B1 (pl)
JP (1) JP2942624B2 (pl)
AT (1) ATE124139T1 (pl)
AU (1) AU5535390A (pl)
CA (1) CA2049330C (pl)
CS (1) CS173890A2 (pl)
DE (1) DE69020343T2 (pl)
ES (1) ES2073570T3 (pl)
FR (1) FR2645646B1 (pl)
PL (1) PL164008B1 (pl)
RO (1) RO107036B1 (pl)
WO (1) WO1990012313A1 (pl)
YU (1) YU67390A (pl)
ZA (1) ZA902448B (pl)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8924889D0 (en) * 1989-11-03 1989-12-20 Neotronics Technology Plc Combustible gas detection
DE4311605C1 (de) * 1993-04-08 1994-12-01 Draegerwerk Ag Verfahren zur Bestimmung des Anteils brennbarer Gase in einem Gasgemisch sowie ihre Klassifizierung nach Gasklassenfaktoren
FR2718240B1 (fr) * 1994-03-31 1996-06-21 Inst Nat Environnement Ind Procédé de caractérisation d'un mélange gazeux par oxydation catalytique.
US5780715A (en) * 1996-10-23 1998-07-14 Mine Safety Appliances Company Combustible gas measuring sensor circuit
JP2003535332A (ja) * 2000-06-02 2003-11-25 オーステック インストゥルメンツ ピーティーワイ エルティーディー フィラメント制御装置
AU746609B2 (en) * 2000-06-02 2002-05-02 Austech Instruments Pty Limited A filament controller
US6742382B2 (en) * 2002-02-28 2004-06-01 Industrial Scientific Corporation Combustible gas detector and method for its operation
US6888467B2 (en) * 2002-12-10 2005-05-03 Industrial Scientific Corporation Gas detection instrument and method for its operation
JP2006017681A (ja) * 2004-07-05 2006-01-19 Noritz Corp 湿度検出装置
DE102005024394B4 (de) 2005-05-27 2015-08-27 Dräger Safety AG & Co. KGaA Verfahren zur Konzentrationsmessung von Gasen
DE102007057500A1 (de) * 2007-11-29 2009-06-10 Siemens Ag Gassensorelement
DE102013008425B3 (de) * 2013-05-16 2014-05-22 Dräger Safety AG & Co. KGaA Verfahren zur Erkennung von Sensorvergiftungen und Teststation zur Durchführung des Verfahrens
JP6153804B2 (ja) * 2013-07-29 2017-06-28 新コスモス電機株式会社 接触燃焼式ガスセンサ
RU2552604C1 (ru) * 2014-03-03 2015-06-10 Российская Федерация, от имени которой выступает государственный заказчик-Государственная корпорация по атомной энергии "Росатом" Способ определения воздействия факторов газовой среды на работоспособность электромеханических приборов и устройство для его реализации
RU2558650C1 (ru) * 2014-03-28 2015-08-10 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом"-Госкорпорация"Росатом" Способ определения параметров газовой среды в герметизированном контейнере с электромеханическими приборами и устройство для его реализации
US10234412B2 (en) 2016-11-04 2019-03-19 Msa Technology, Llc Identification of combustible gas species via pulsed operation of a combustible gas sensor
RU2663310C1 (ru) * 2017-10-03 2018-08-03 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Способ контроля и прогнозирования состояния электромеханических приборов в многокомпонентной газовой среде герметизированных контейнеров
US10900922B2 (en) 2018-07-17 2021-01-26 Msa Technology, Llc Power reduction in combustible gas sensors
US11703473B2 (en) 2019-12-11 2023-07-18 Msa Technology, Llc Operation of combustible gas sensor in a dynamic mode with a constant resistance setpoint
CN113888841B (zh) * 2021-12-08 2022-03-11 成都千嘉科技股份有限公司 燃气报警器系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1231045A (en) * 1916-01-27 1917-06-26 William A Mccutcheon Methane-detector.
US3200011A (en) * 1959-02-03 1965-08-10 Nat Res Dev Electrically heatable filaments
US3911386A (en) * 1975-01-15 1975-10-07 Ford Motor Co Exhaust gas air fuel ratio sensor
FR2517062A1 (fr) * 1981-11-20 1983-05-27 Charbonnages De France Procede d'interrogation d'un detecteur de teneur en gaz combustible, dispositif pour sa mise en oeuvre et application a la detection de la teneur en methane
FR2537722A1 (fr) * 1982-12-14 1984-06-15 Charbonnages De France Procede et dispositif de determination du taux d'explosivite d'un milieu gazeux
JPS6039542A (ja) * 1983-08-12 1985-03-01 Ngk Spark Plug Co Ltd スモ−ク濃度検知方法
US4870025A (en) * 1985-09-30 1989-09-26 Ford Motor Company Method of sensing methane gas-I
DE3729286A1 (de) * 1987-09-02 1989-03-16 Draegerwerk Ag Messgeraet zur analyse eines gasgemisches

Also Published As

Publication number Publication date
WO1990012313A1 (fr) 1990-10-18
FR2645646A1 (fr) 1990-10-12
RO107036B1 (ro) 1993-08-30
DE69020343D1 (de) 1995-07-27
ATE124139T1 (de) 1995-07-15
EP0466831A1 (fr) 1992-01-22
US5234837A (en) 1993-08-10
CS173890A2 (en) 1991-06-11
ES2073570T3 (es) 1995-08-16
DE69020343T2 (de) 1996-03-07
YU67390A (sh) 1994-05-10
PL164008B1 (pl) 1994-06-30
CA2049330A1 (fr) 1990-10-07
JPH04504618A (ja) 1992-08-13
CA2049330C (fr) 1999-01-05
FR2645646B1 (fr) 1991-07-19
JP2942624B2 (ja) 1999-08-30
EP0466831B1 (fr) 1995-06-21
AU5535390A (en) 1990-11-05

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