IT1170318B - Igrometro elettronico con circuito di compensazione di temperatura - Google Patents

Igrometro elettronico con circuito di compensazione di temperatura

Info

Publication number
IT1170318B
IT1170318B IT47864/83A IT4786483A IT1170318B IT 1170318 B IT1170318 B IT 1170318B IT 47864/83 A IT47864/83 A IT 47864/83A IT 4786483 A IT4786483 A IT 4786483A IT 1170318 B IT1170318 B IT 1170318B
Authority
IT
Italy
Prior art keywords
compensation circuit
temperature compensation
electronic hygrometer
hygrometer
electronic
Prior art date
Application number
IT47864/83A
Other languages
English (en)
Other versions
IT8347864A0 (it
Inventor
Barry Kendric Ward
Alexander Bendeli
Original Assignee
Commw Scient Ind Res Org
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 Commw Scient Ind Res Org filed Critical Commw Scient Ind Res Org
Publication of IT8347864A0 publication Critical patent/IT8347864A0/it
Application granted granted Critical
Publication of IT1170318B publication Critical patent/IT1170318B/it

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
    • 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
    • G01N27/045—Circuits
    • G01N27/046—Circuits provided with temperature compensation

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)
IT47864/83A 1982-03-08 1983-03-08 Igrometro elettronico con circuito di compensazione di temperatura IT1170318B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPF300882 1982-03-08

Publications (2)

Publication Number Publication Date
IT8347864A0 IT8347864A0 (it) 1983-03-08
IT1170318B true IT1170318B (it) 1987-06-03

Family

ID=3769386

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47864/83A IT1170318B (it) 1982-03-08 1983-03-08 Igrometro elettronico con circuito di compensazione di temperatura

Country Status (3)

Country Link
EP (1) EP0103587A1 (it)
IT (1) IT1170318B (it)
WO (1) WO1983003139A1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559493A (en) * 1984-06-01 1985-12-17 Rockwell International Corporation Meter for measuring the concentration of water in a water-ink mixture
US4662220A (en) * 1985-06-20 1987-05-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Water-absorbing capacitor system for measuring relative humidity
US5475181A (en) * 1994-04-18 1995-12-12 Mobil Oil Corporation Process for selectively converting ethene to isobutylene over selectivated ZSM-35
WO1996005506A1 (en) * 1994-08-16 1996-02-22 Industrial Research Limited A dew point sensor
US6079121A (en) * 1998-08-03 2000-06-27 Ther-O-Disc, Incorporated Humidity-modulated dual-setpoint temperature controller
GB2369682A (en) * 2000-12-01 2002-06-05 Business Lines Ltd Moisture sensor
US6469525B2 (en) * 2001-01-04 2002-10-22 Hewlett-Packard Company Method for sensing humidity in a tape library
ITMO20050159A1 (it) * 2005-06-22 2006-12-23 Angelo Grandi Cucine Societa P Sistema per il controllo dell'umidita'.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761810A (en) * 1971-02-08 1973-09-25 Burrows Equipment Co Digital reading moisture tester
HU174359B (hu) * 1977-02-15 1979-12-28 Mueszeripari Kutato Intezet Apparat dlja opredelenija sostava materiala - prezhde vsego vlazhnosti - vysokochastotnom metodom
GB2020434B (en) * 1978-05-02 1982-09-29 Matsushita Electric Ind Co Ltd Apparatus for humidity detection
DE2919230A1 (de) * 1979-05-12 1980-11-20 Basf Ag Messverfahren und messchaltung zur kontinuierlichen feuchtemessung

Also Published As

Publication number Publication date
WO1983003139A1 (en) 1983-09-15
EP0103587A1 (en) 1984-03-28
IT8347864A0 (it) 1983-03-08

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