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GB8918280D0 - Combustible gas monitors - Google Patents

Combustible gas monitors

Info

Publication number
GB8918280D0
GB8918280D0 GB898918280A GB8918280A GB8918280D0 GB 8918280 D0 GB8918280 D0 GB 8918280D0 GB 898918280 A GB898918280 A GB 898918280A GB 8918280 A GB8918280 A GB 8918280A GB 8918280 D0 GB8918280 D0 GB 8918280D0
Authority
GB
United Kingdom
Prior art keywords
combustible gas
gas monitors
monitors
combustible
gas
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.)
Pending
Application number
GB898918280A
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.)
Neotronics Technology PLC
Original Assignee
Neotronics Technology PLC
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 Neotronics Technology PLC filed Critical Neotronics Technology PLC
Priority to GB898918280A priority Critical patent/GB8918280D0/en
Publication of GB8918280D0 publication Critical patent/GB8918280D0/en
Priority to PCT/GB1990/001238 priority patent/WO1991002243A1/en
Priority to AU61657/90A priority patent/AU6165790A/en
Priority to ZA906353A priority patent/ZA906353B/en
Pending legal-status Critical Current

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
    • G01N27/18—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
    • G01N27/185—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 using a catharometer

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 Using Thermal Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB898918280A 1989-08-10 1989-08-10 Combustible gas monitors Pending GB8918280D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB898918280A GB8918280D0 (en) 1989-08-10 1989-08-10 Combustible gas monitors
PCT/GB1990/001238 WO1991002243A1 (en) 1989-08-10 1990-08-08 A method and a monitor for detecting combustible gases
AU61657/90A AU6165790A (en) 1989-08-10 1990-08-08 A method and a monitor for detecting combustible gases
ZA906353A ZA906353B (en) 1989-08-10 1990-08-10 Gas monitors for combustible gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898918280A GB8918280D0 (en) 1989-08-10 1989-08-10 Combustible gas monitors

Publications (1)

Publication Number Publication Date
GB8918280D0 true GB8918280D0 (en) 1989-09-20

Family

ID=10661444

Family Applications (1)

Application Number Title Priority Date Filing Date
GB898918280A Pending GB8918280D0 (en) 1989-08-10 1989-08-10 Combustible gas monitors

Country Status (4)

Country Link
AU (1) AU6165790A (en)
GB (1) GB8918280D0 (en)
WO (1) WO1991002243A1 (en)
ZA (1) ZA906353B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108717073A (en) * 2018-07-02 2018-10-30 常州机电职业技术学院 Combustible gas detection circuit, monitoring system and working method thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6357279B1 (en) * 2001-01-29 2002-03-19 Leco Corporation Control circuit for thermal conductivity cell
DE102005022471B4 (en) * 2005-05-14 2007-06-28 Dräger Safety AG & Co. KGaA Circuit arrangement with at least one designed as a pellistor catalytic measuring element
US20150377813A1 (en) * 2014-06-30 2015-12-31 Stmicroelectronics S.R.L. Semiconductor gas sensor device and manufacturing method thereof
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1143002A (en) * 1965-09-08 1969-02-19 Servomex Controls Ltd Improvements in or relating to wheatstone bridge circuit arrangements
US3480397A (en) * 1965-09-27 1969-11-25 Bailey Meter Co Gas analysis method for determining the oxygen content of a gas containing carbon dioxide
GB2091882B (en) * 1981-01-26 1985-05-01 Nat Res Dev Electrical catalytic gas detection systems
US4829810A (en) * 1988-01-04 1989-05-16 Aluminum Company Of America Filament drive circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108717073A (en) * 2018-07-02 2018-10-30 常州机电职业技术学院 Combustible gas detection circuit, monitoring system and working method thereof

Also Published As

Publication number Publication date
AU6165790A (en) 1991-03-11
WO1991002243A1 (en) 1991-02-21
ZA906353B (en) 1991-06-26

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