GB1162783A - Water Vapour Sensor - Google Patents

Water Vapour Sensor

Info

Publication number
GB1162783A
GB1162783A GB1018768A GB1018768A GB1162783A GB 1162783 A GB1162783 A GB 1162783A GB 1018768 A GB1018768 A GB 1018768A GB 1018768 A GB1018768 A GB 1018768A GB 1162783 A GB1162783 A GB 1162783A
Authority
GB
United Kingdom
Prior art keywords
water vapour
march
vapour sensor
humidity
layer
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
GB1018768A
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.)
Panametrics LLC
Original Assignee
Panametrics LLC
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 Panametrics LLC filed Critical Panametrics LLC
Publication of GB1162783A publication Critical patent/GB1162783A/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
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G01N27/225—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity by using hygroscopic materials

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)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

1,162,783. Humidity transducers. PANAMETRICS Inc. March 1, 1968 [March 17, 1967; Nov.1, 1967], No. 10187/68. Heading G1N. A transducer for measuring the absolute humidity of an atmosphere comprises a variable capacitance and resistance formed by a layer of aluminium oxide or an aluminium base, and covered by a thin conductive layer. Constructional and material details of different embodiments are given.
GB1018768A 1967-03-17 1968-03-01 Water Vapour Sensor Expired GB1162783A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62405667A 1967-03-17 1967-03-17
US68308467A 1967-11-01 1967-11-01

Publications (1)

Publication Number Publication Date
GB1162783A true GB1162783A (en) 1969-08-27

Family

ID=27089589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1018768A Expired GB1162783A (en) 1967-03-17 1968-03-01 Water Vapour Sensor

Country Status (3)

Country Link
DE (1) DE1698096C3 (en)
FR (1) FR1556194A (en)
GB (1) GB1162783A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000292A (en) * 1977-06-06 1979-01-04 Matsushita Electric Ind Co Ltd Humidity sensor of capacitance change type

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938434C2 (en) * 1979-09-22 1981-07-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Capacitive humidity sensor and method of making the sensor
DE3440351A1 (en) * 1983-12-12 1985-06-20 Voest-Alpine Ag, Linz Humidity sensor and method of producing it
DE8707954U1 (en) * 1987-06-04 1988-10-06 Kohler, Hans-Michael, 8022 Zürich Capacitive sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000292A (en) * 1977-06-06 1979-01-04 Matsushita Electric Ind Co Ltd Humidity sensor of capacitance change type
GB2000292B (en) * 1977-06-06 1982-03-17 Matsushita Electric Ind Co Ltd Humidity sensor of capacitance change type

Also Published As

Publication number Publication date
DE1698096A1 (en) 1972-03-23
DE1698096B2 (en) 1975-03-06
FR1556194A (en) 1969-01-31
DE1698096C3 (en) 1980-11-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PE20 Patent expired after termination of 20 years