FR1513592A - Improvements to devices for indicating thermal conduction of gas - Google Patents

Improvements to devices for indicating thermal conduction of gas

Info

Publication number
FR1513592A
FR1513592A FR90474A FR90474A FR1513592A FR 1513592 A FR1513592 A FR 1513592A FR 90474 A FR90474 A FR 90474A FR 90474 A FR90474 A FR 90474A FR 1513592 A FR1513592 A FR 1513592A
Authority
FR
France
Prior art keywords
gas
devices
thermal conduction
indicating thermal
indicating
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
FR90474A
Other languages
French (fr)
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of FR1513592A publication Critical patent/FR1513592A/en
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
    • G01N27/18—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)
FR90474A 1966-01-10 1967-01-10 Improvements to devices for indicating thermal conduction of gas Expired FR1513592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB109366 1966-01-10

Publications (1)

Publication Number Publication Date
FR1513592A true FR1513592A (en) 1968-02-16

Family

ID=9716036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR90474A Expired FR1513592A (en) 1966-01-10 1967-01-10 Improvements to devices for indicating thermal conduction of gas

Country Status (1)

Country Link
FR (1) FR1513592A (en)

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