FR914458A - Method and device for measuring the hygrometric state, based on the fact that the thermal conductivity of air is a function of its relative humidity - Google Patents

Method and device for measuring the hygrometric state, based on the fact that the thermal conductivity of air is a function of its relative humidity

Info

Publication number
FR914458A
FR914458A FR914458DA FR914458A FR 914458 A FR914458 A FR 914458A FR 914458D A FR914458D A FR 914458DA FR 914458 A FR914458 A FR 914458A
Authority
FR
France
Prior art keywords
fact
measuring
air
function
thermal conductivity
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
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.)
BROWN
BBC Brown Boveri AG Germany
Original Assignee
BROWN
Brown Boveri und Cie AG Germany
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 BROWN, Brown Boveri und Cie AG Germany filed Critical BROWN
Application granted granted Critical
Publication of FR914458A publication Critical patent/FR914458A/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)
FR914458D 1944-03-20 1945-09-13 Method and device for measuring the hygrometric state, based on the fact that the thermal conductivity of air is a function of its relative humidity Expired FR914458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH914458X 1944-03-20

Publications (1)

Publication Number Publication Date
FR914458A true FR914458A (en) 1946-10-09

Family

ID=4547720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914458D Expired FR914458A (en) 1944-03-20 1945-09-13 Method and device for measuring the hygrometric state, based on the fact that the thermal conductivity of air is a function of its relative humidity

Country Status (1)

Country Link
FR (1) FR914458A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637199A (en) * 1947-12-11 1953-05-05 Svenska Flaektfabriken Ab Apparatus for comparative indication of the moisture contents in two gaseous mediums
US2836057A (en) * 1954-04-08 1958-05-27 British Insulated Callenders Apparatus for measuring high degrees of dryness
US3029628A (en) * 1958-10-28 1962-04-17 Clarke C Minter Leak detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637199A (en) * 1947-12-11 1953-05-05 Svenska Flaektfabriken Ab Apparatus for comparative indication of the moisture contents in two gaseous mediums
US2836057A (en) * 1954-04-08 1958-05-27 British Insulated Callenders Apparatus for measuring high degrees of dryness
US3029628A (en) * 1958-10-28 1962-04-17 Clarke C Minter Leak detector

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