FR2262801A1 - Hygrometric measuring device using impedance change - uses filters at detector probe in polluted atmosphere - Google Patents

Hygrometric measuring device using impedance change - uses filters at detector probe in polluted atmosphere

Info

Publication number
FR2262801A1
FR2262801A1 FR7406812A FR7406812A FR2262801A1 FR 2262801 A1 FR2262801 A1 FR 2262801A1 FR 7406812 A FR7406812 A FR 7406812A FR 7406812 A FR7406812 A FR 7406812A FR 2262801 A1 FR2262801 A1 FR 2262801A1
Authority
FR
France
Prior art keywords
probe
hygrometric
measuring device
detector probe
impedance change
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.)
Granted
Application number
FR7406812A
Other languages
English (en)
French (fr)
Other versions
FR2262801B1 (online.php
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.)
JULES ETS RICHARD
Original Assignee
JULES ETS RICHARD
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 JULES ETS RICHARD filed Critical JULES ETS RICHARD
Priority to FR7406812A priority Critical patent/FR2262801A1/fr
Publication of FR2262801A1 publication Critical patent/FR2262801A1/fr
Application granted granted Critical
Publication of FR2262801B1 publication Critical patent/FR2262801B1/fr
Granted 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
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid

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 By The Use Of Electric Means (AREA)
FR7406812A 1974-02-28 1974-02-28 Hygrometric measuring device using impedance change - uses filters at detector probe in polluted atmosphere Granted FR2262801A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7406812A FR2262801A1 (en) 1974-02-28 1974-02-28 Hygrometric measuring device using impedance change - uses filters at detector probe in polluted atmosphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7406812A FR2262801A1 (en) 1974-02-28 1974-02-28 Hygrometric measuring device using impedance change - uses filters at detector probe in polluted atmosphere

Publications (2)

Publication Number Publication Date
FR2262801A1 true FR2262801A1 (en) 1975-09-26
FR2262801B1 FR2262801B1 (online.php) 1976-06-25

Family

ID=9135579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7406812A Granted FR2262801A1 (en) 1974-02-28 1974-02-28 Hygrometric measuring device using impedance change - uses filters at detector probe in polluted atmosphere

Country Status (1)

Country Link
FR (1) FR2262801A1 (online.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433744A1 (fr) * 1978-08-16 1980-03-14 Alliance Tech Ind Dispositif de detection de presence ou d'absence d'un fluide et sonde pour un tel dispositif

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433744A1 (fr) * 1978-08-16 1980-03-14 Alliance Tech Ind Dispositif de detection de presence ou d'absence d'un fluide et sonde pour un tel dispositif

Also Published As

Publication number Publication date
FR2262801B1 (online.php) 1976-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse