GB2011093A - A humidity sensor - Google Patents

A humidity sensor

Info

Publication number
GB2011093A
GB2011093A GB7846486A GB7846486A GB2011093A GB 2011093 A GB2011093 A GB 2011093A GB 7846486 A GB7846486 A GB 7846486A GB 7846486 A GB7846486 A GB 7846486A GB 2011093 A GB2011093 A GB 2011093A
Authority
GB
United Kingdom
Prior art keywords
sensor
temperature
humidity sensor
polymer film
ambient temperature
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.)
Withdrawn
Application number
GB7846486A
Other languages
English (en)
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.)
Vaisala Oy
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Publication of GB2011093A publication Critical patent/GB2011093A/en
Withdrawn legal-status Critical Current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)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
GB7846486A 1977-12-02 1978-11-29 A humidity sensor Withdrawn GB2011093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI773680A FI58402C (fi) 1977-12-02 1977-12-02 Foerfarande foer nedsaettning av icke oenskvaerda egenskaper hos en elektrisk fuktighetsgivare

Publications (1)

Publication Number Publication Date
GB2011093A true GB2011093A (en) 1979-07-04

Family

ID=8511289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7846486A Withdrawn GB2011093A (en) 1977-12-02 1978-11-29 A humidity sensor

Country Status (9)

Country Link
JP (2) JPS5494090A (ja)
AU (1) AU4203378A (ja)
BR (1) BR7807935A (ja)
DE (1) DE2851686C2 (ja)
FI (1) FI58402C (ja)
FR (1) FR2410821A1 (ja)
GB (1) GB2011093A (ja)
IT (1) IT1100442B (ja)
ZA (1) ZA786573B (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452709A1 (fr) * 1979-03-29 1980-10-24 Vaisala Oy Moyens de commande d'un detecteur d'humidite
WO1986006167A1 (en) * 1985-04-12 1986-10-23 Fraunhofer-Gesellschaft Zur Förderung Der Angewand Relative air humidity measurement device
EP0317871A2 (de) * 1987-11-24 1989-05-31 Siemens Aktiengesellschaft Sensor zum Nachweis gasförmiger Stoffe
DE3936138A1 (de) * 1988-11-02 1990-05-03 Vaisala Oy Kalibrierverfahren und kalibrierbare sensorvorrichtung zur messung der relativen konzentration von gas oder dampf
GB2288465A (en) * 1994-04-15 1995-10-18 Vaisala Oy Method of measuring dewpoint or gas concentration and apparatus for prediction of icing
WO1999002980A1 (de) * 1997-07-11 1999-01-21 Mannesmann Vdo Ag Anordnung zum bestimmen der relativen luftfeuchte
EP1148334A1 (de) * 2000-04-20 2001-10-24 ELK Gesellschaft für Erstellung, Layout und Konzeption elektonischer Systeme mit beschränkter Haftung Verfahren und Vorrichtung zur Ermittlung der relativen Feuchte in Luft-/Gasgemischen
DE10141408A1 (de) * 2001-08-23 2003-03-13 Knick Elektronische Mesgeraete Verfahren zur Bestimmung der Kalibrier-Intervallzeit von elektrochemischen Messsensoren
EP1505387A1 (de) * 2003-08-02 2005-02-09 E+E Elektronik Ges. Mbh Verfahren und Anordnung zur Feuchtemessung
WO2014191619A1 (en) 2013-05-30 2014-12-04 Vaisala Oyj A dual gas sensor structure and measurement method

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667742A (en) * 1979-10-26 1981-06-08 Kaelle Eur Control Apparatus for and method of separately providing conductivity* dielectric coefficient and measured value of water content of granular material
US4352059A (en) * 1980-06-13 1982-09-28 Massachusetts Institute Of Technology Determination of moisture level in materials
FI95626C (fi) * 1993-09-29 1996-02-26 Vaisala Oy Menetelmä ja järjestely kosteuden mittauksessa, etenkin radiosondeissa
DE9421962U1 (de) * 1994-07-28 1997-05-28 Mannesmann VDO AG, 60388 Frankfurt Feuchtesensor für eine Fensterscheibe eines Kraftfahrzeuges
AT1469U1 (de) * 1996-04-10 1997-05-26 E & E Elektronik Gmbh Verfahren zum ermitteln der absoluten luftfeuchtigkeit
DE19953195A1 (de) * 1999-11-05 2001-05-23 Preh Elektro Feinmechanik Sensor zur Ermittlung von Feuchtigkeit und/oder Nässe, insbesondere in Bremssystemen von Nutzfahrzeugen
DE10051558C2 (de) * 2000-10-18 2003-04-17 Sitronic Elektrotech Ausruest Sensoreinheit mit einem Luftfeuchte-Sensor und mit einem Lufttemperatur-Sensor
JP2016509226A (ja) * 2013-02-22 2016-03-24 ヴァイサラ オーワイジェー ラジオゾンデおよび高温で実施される大気測定方法
DE102017210064A1 (de) * 2017-06-14 2018-12-20 E + E Elektronik Ges.M.B.H. Verfahren zum Betrieb einer Sensoranordnung und hierzu geeignete Sensoranordnung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB557613A (en) * 1940-05-03 1943-11-29 British Thomson Houston Co Ltd Improved arrangement for the indication of atmospheric moisture
US3350941A (en) * 1965-05-20 1967-11-07 Johnson Service Co Humidity sensing element
FI48229C (fi) * 1972-10-12 1974-07-10 Vaisala Oy Kapasitiivinen kosteusanturi ja sen valmistumenetelmä.
JPS5434628Y2 (ja) * 1973-06-06 1979-10-23
US3983527A (en) * 1973-08-14 1976-09-28 Nippon Sheet Glass Co., Ltd. Humidity-sensitive sensor
US3859502A (en) * 1974-02-11 1975-01-07 Anthony S Mfg Co Defrosting system for refrigerator doors

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452709A1 (fr) * 1979-03-29 1980-10-24 Vaisala Oy Moyens de commande d'un detecteur d'humidite
WO1986006167A1 (en) * 1985-04-12 1986-10-23 Fraunhofer-Gesellschaft Zur Förderung Der Angewand Relative air humidity measurement device
EP0317871A3 (de) * 1987-11-24 1991-03-06 Siemens Aktiengesellschaft Sensor zum Nachweis gasförmiger Stoffe
EP0317871A2 (de) * 1987-11-24 1989-05-31 Siemens Aktiengesellschaft Sensor zum Nachweis gasförmiger Stoffe
DE3936138C2 (de) * 1988-11-02 1998-09-10 Vaisala Oy Kalibrierverfahren zur Messung der relativen Konzentration von Gas oder Dampf
GB2224578B (en) * 1988-11-02 1993-01-06 Vaisala Oy Calibrating the measurement of relative gas or vapour concentration.
DE3936138A1 (de) * 1988-11-02 1990-05-03 Vaisala Oy Kalibrierverfahren und kalibrierbare sensorvorrichtung zur messung der relativen konzentration von gas oder dampf
GB2224578A (en) * 1988-11-02 1990-05-09 Vaisala Oy Calibrating measurement of relative concentration of gas or vapour
GB2288465A (en) * 1994-04-15 1995-10-18 Vaisala Oy Method of measuring dewpoint or gas concentration and apparatus for prediction of icing
GB2288465B (en) * 1994-04-15 1998-11-18 Vaisala Oy Method of measuring dewpoint or gas concentration
US6356087B1 (en) 1997-07-11 2002-03-12 Mannesmann Vdo Ag System for determining relative air humidity
WO1999002980A1 (de) * 1997-07-11 1999-01-21 Mannesmann Vdo Ag Anordnung zum bestimmen der relativen luftfeuchte
EP1148334A1 (de) * 2000-04-20 2001-10-24 ELK Gesellschaft für Erstellung, Layout und Konzeption elektonischer Systeme mit beschränkter Haftung Verfahren und Vorrichtung zur Ermittlung der relativen Feuchte in Luft-/Gasgemischen
DE10141408A1 (de) * 2001-08-23 2003-03-13 Knick Elektronische Mesgeraete Verfahren zur Bestimmung der Kalibrier-Intervallzeit von elektrochemischen Messsensoren
DE10141408B4 (de) * 2001-08-23 2005-03-24 Knick Elektronische Meßgeräte GmbH & Co. Verfahren zur Bestimmung der Kalibrier-Intervallzeit von elektrochemischen Messsensoren
EP1505387A1 (de) * 2003-08-02 2005-02-09 E+E Elektronik Ges. Mbh Verfahren und Anordnung zur Feuchtemessung
US7077004B2 (en) 2003-08-02 2006-07-18 E+E Elektronik Ges.M.B.H Method and device for measuring humidity
WO2014191619A1 (en) 2013-05-30 2014-12-04 Vaisala Oyj A dual gas sensor structure and measurement method
US9927412B2 (en) 2013-05-30 2018-03-27 Vaisala Oyj Dual gas sensor structure and measurement method

Also Published As

Publication number Publication date
JPS5494090A (en) 1979-07-25
JPH0151771B2 (ja) 1989-11-06
FR2410821B1 (ja) 1984-04-20
ZA786573B (en) 1980-03-26
BR7807935A (pt) 1979-07-31
DE2851686C2 (de) 1981-10-01
JPH0340334B2 (ja) 1991-06-18
JPS6263852A (ja) 1987-03-20
FI773680A (fi) 1979-06-03
DE2851686A1 (de) 1979-06-07
FR2410821A1 (fr) 1979-06-29
AU4203378A (en) 1979-06-07
IT1100442B (it) 1985-09-28
FI58402B (fi) 1980-09-30
FI58402C (fi) 1981-01-12
IT7830461A0 (it) 1978-12-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)