FR540783A - Improvements to humidity indicators - Google Patents

Improvements to humidity indicators

Info

Publication number
FR540783A
FR540783A FR540783DA FR540783A FR 540783 A FR540783 A FR 540783A FR 540783D A FR540783D A FR 540783DA FR 540783 A FR540783 A FR 540783A
Authority
FR
France
Prior art keywords
humidity indicators
indicators
humidity
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR540783A publication Critical patent/FR540783A/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
    • G01N27/12—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)
FR540783D 1920-03-20 1921-03-19 Improvements to humidity indicators Expired FR540783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US540783XA 1920-03-20 1920-03-20

Publications (1)

Publication Number Publication Date
FR540783A true FR540783A (en) 1922-07-18

Family

ID=21988641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540783D Expired FR540783A (en) 1920-03-20 1921-03-19 Improvements to humidity indicators

Country Status (1)

Country Link
FR (1) FR540783A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936480C (en) * 1952-12-13 1955-12-15 Karl Zaengl Hand-held device for the detection of moisture shards enclosed in materials
US2729099A (en) * 1952-06-18 1956-01-03 Ind Instr Inc Apparatus for measuring moisture of soil
US2752586A (en) * 1954-01-20 1956-06-26 Ohio Ferro Alloys Corp Device for detection of water in oil
US2793527A (en) * 1955-02-04 1957-05-28 Rayturn Machine Corp Soil moisture testing apparatus
US2834201A (en) * 1948-11-03 1958-05-13 American Instr Company Apparatus for measuring humidity conditions in materials
US3059814A (en) * 1959-11-09 1962-10-23 Eugene E Poncel Actuator for emergency water equipment
US3110005A (en) * 1959-11-27 1963-11-05 Gen Motors Corp Humidity sensor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834201A (en) * 1948-11-03 1958-05-13 American Instr Company Apparatus for measuring humidity conditions in materials
US2729099A (en) * 1952-06-18 1956-01-03 Ind Instr Inc Apparatus for measuring moisture of soil
DE936480C (en) * 1952-12-13 1955-12-15 Karl Zaengl Hand-held device for the detection of moisture shards enclosed in materials
US2752586A (en) * 1954-01-20 1956-06-26 Ohio Ferro Alloys Corp Device for detection of water in oil
US2793527A (en) * 1955-02-04 1957-05-28 Rayturn Machine Corp Soil moisture testing apparatus
US3059814A (en) * 1959-11-09 1962-10-23 Eugene E Poncel Actuator for emergency water equipment
US3110005A (en) * 1959-11-27 1963-11-05 Gen Motors Corp Humidity sensor

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