FI58402C - Foerfarande foer nedsaettning av icke oenskvaerda egenskaper hos en elektrisk fuktighetsgivare - Google Patents

Foerfarande foer nedsaettning av icke oenskvaerda egenskaper hos en elektrisk fuktighetsgivare Download PDF

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Publication number
FI58402C
FI58402C FI773680A FI773680A FI58402C FI 58402 C FI58402 C FI 58402C FI 773680 A FI773680 A FI 773680A FI 773680 A FI773680 A FI 773680A FI 58402 C FI58402 C FI 58402C
Authority
FI
Finland
Prior art keywords
sensor
humidity
equipment
heating
electrical
Prior art date
Application number
FI773680A
Other languages
English (en)
Finnish (fi)
Other versions
FI58402B (fi
FI773680A (fi
Inventor
Veijo Antikainen
Jouko Jalava
Eero Salasmaa
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
Priority to FI773680A priority Critical patent/FI58402C/fi
Priority to ZA786573A priority patent/ZA786573B/xx
Priority to FR7833753A priority patent/FR2410821A1/fr
Priority to DE2851686A priority patent/DE2851686C2/de
Priority to GB7846486A priority patent/GB2011093A/en
Priority to AU42033/78A priority patent/AU4203378A/en
Priority to JP14730878A priority patent/JPS5494090A/ja
Priority to IT30461/78A priority patent/IT1100442B/it
Priority to BR7807935A priority patent/BR7807935A/pt
Publication of FI773680A publication Critical patent/FI773680A/fi
Application granted granted Critical
Publication of FI58402B publication Critical patent/FI58402B/fi
Publication of FI58402C publication Critical patent/FI58402C/fi
Priority to JP61165684A priority patent/JPS6263852A/ja

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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

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  • 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)
FI773680A 1977-12-02 1977-12-02 Foerfarande foer nedsaettning av icke oenskvaerda egenskaper hos en elektrisk fuktighetsgivare FI58402C (fi)

Priority Applications (10)

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
ZA786573A ZA786573B (en) 1977-12-02 1978-11-22 A procedure for minimizing the non-desired properties of a humidity sensor
DE2851686A DE2851686C2 (de) 1977-12-02 1978-11-29 Verfahren zum Bestimmen der relativen Feuchte von Gasen
GB7846486A GB2011093A (en) 1977-12-02 1978-11-29 A humidity sensor
FR7833753A FR2410821A1 (fr) 1977-12-02 1978-11-29 Procede pour minimiser les proprietes indesirables d'un detecteur d'humidite
AU42033/78A AU4203378A (en) 1977-12-02 1978-11-29 Minimizing the non-desired properties of a humidity sensor
JP14730878A JPS5494090A (en) 1977-12-02 1978-11-30 Method of minimizing undesirable characteristics of humidity sensor
IT30461/78A IT1100442B (it) 1977-12-02 1978-12-01 Procedimento per ridurre al minimo le proprieta' non desiderate di un rivelatore di umidita'
BR7807935A BR7807935A (pt) 1977-12-02 1978-12-01 Processo para minimizacao das propriedades indesejaveis de um sensor de unidade
JP61165684A JPS6263852A (ja) 1977-12-02 1986-07-16 温度補償の容量型湿度センサ

Applications Claiming Priority (2)

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
FI773680 1977-12-02

Publications (3)

Publication Number Publication Date
FI773680A FI773680A (fi) 1979-06-03
FI58402B FI58402B (fi) 1980-09-30
FI58402C true FI58402C (fi) 1981-01-12

Family

ID=8511289

Family Applications (1)

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

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)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI58403C (fi) * 1979-03-29 1981-01-12 Vaisala Oy Regleranordning i fuktighetsgivare
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
DE3513065C1 (de) * 1985-04-12 1986-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Sonde zur hystereselosen Messung der relativen Feuchte der Luft
EP0317871A3 (de) * 1987-11-24 1991-03-06 Siemens Aktiengesellschaft Sensor zum Nachweis gasförmiger Stoffe
FI82554C (fi) * 1988-11-02 1991-03-11 Vaisala Oy Kalibreringsfoerfarande foer maetning av den relativa halten av gas eller aonga.
FI95626C (fi) * 1993-09-29 1996-02-26 Vaisala Oy Menetelmä ja järjestely kosteuden mittauksessa, etenkin radiosondeissa
FI99164C (fi) * 1994-04-15 1997-10-10 Vaisala Oy Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten
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
DE19729697C1 (de) * 1997-07-11 1999-02-11 Mannesmann Vdo Ag Anordnung zum Bestimmen der relativen Luftfeuchte
DE19953195A1 (de) * 1999-11-05 2001-05-23 Preh Elektro Feinmechanik Sensor zur Ermittlung von Feuchtigkeit und/oder Nässe, insbesondere in Bremssystemen von Nutzfahrzeugen
DE10019551A1 (de) * 2000-04-20 2001-10-25 Elk Ges Fuer Erstellung Layout Verfahren und Vorrichtung zur Ermittlung der relativen Feuchte in Luft-/Gasgemischen
DE10051558C2 (de) 2000-10-18 2003-04-17 Sitronic Elektrotech Ausruest Sensoreinheit mit einem Luftfeuchte-Sensor und mit einem Lufttemperatur-Sensor
DE10141408B4 (de) * 2001-08-23 2005-03-24 Knick Elektronische Meßgeräte GmbH & Co. Verfahren zur Bestimmung der Kalibrier-Intervallzeit von elektrochemischen Messsensoren
DE10335553A1 (de) * 2003-08-02 2005-02-17 E + E Elektronik Ges.M.B.H. Verfahren und Anordnung zur Feuchtemessung
US20160003975A1 (en) * 2013-02-22 2016-01-07 Vaisala Oyj A radiosonde and a method for atmospheric measurements performed at an elevated temperature
EP3004868B1 (en) 2013-05-30 2022-12-28 Vaisala Oyj A dual gas sensor structure and measurement method
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

Also Published As

Publication number Publication date
FI58402B (fi) 1980-09-30
DE2851686A1 (de) 1979-06-07
BR7807935A (pt) 1979-07-31
JPS6263852A (ja) 1987-03-20
FR2410821B1 (ja) 1984-04-20
AU4203378A (en) 1979-06-07
DE2851686C2 (de) 1981-10-01
IT1100442B (it) 1985-09-28
FR2410821A1 (fr) 1979-06-29
JPH0151771B2 (ja) 1989-11-06
FI773680A (fi) 1979-06-03
GB2011093A (en) 1979-07-04
JPH0340334B2 (ja) 1991-06-18
ZA786573B (en) 1980-03-26
JPS5494090A (en) 1979-07-25
IT7830461A0 (it) 1978-12-01

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MM Patent lapsed

Owner name: VAISALA OY