FR1279781A - Appareil détecteur de gaz - Google Patents

Appareil détecteur de gaz

Info

Publication number
FR1279781A
FR1279781A FR851204A FR851204A FR1279781A FR 1279781 A FR1279781 A FR 1279781A FR 851204 A FR851204 A FR 851204A FR 851204 A FR851204 A FR 851204A FR 1279781 A FR1279781 A FR 1279781A
Authority
FR
France
Prior art keywords
gas detector
detector device
gas
detector
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
Application number
FR851204A
Other languages
English (en)
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.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
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
Priority claimed from GB4242/60A external-priority patent/GB980169A/en
Application filed by English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to FR851204A priority Critical patent/FR1279781A/fr
Application granted granted Critical
Publication of FR1279781A publication Critical patent/FR1279781A/fr
Expired 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
    • G01N27/16—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)
  • 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)
FR851204A 1960-02-05 1961-01-31 Appareil détecteur de gaz Expired FR1279781A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR851204A FR1279781A (fr) 1960-02-05 1961-01-31 Appareil détecteur de gaz

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4242/60A GB980169A (en) 1960-02-05 1960-02-05 Improvements in and relating to gas detecting apparatus
FR851204A FR1279781A (fr) 1960-02-05 1961-01-31 Appareil détecteur de gaz

Publications (1)

Publication Number Publication Date
FR1279781A true FR1279781A (fr) 1961-12-22

Family

ID=26189121

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851204A Expired FR1279781A (fr) 1960-02-05 1961-01-31 Appareil détecteur de gaz

Country Status (1)

Country Link
FR (1) FR1279781A (fr)

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