ZA786573B - A procedure for minimizing the non-desired properties of a humidity sensor - Google Patents

A procedure for minimizing the non-desired properties of a humidity sensor

Info

Publication number
ZA786573B
ZA786573B ZA786573A ZA786573A ZA786573B ZA 786573 B ZA786573 B ZA 786573B ZA 786573 A ZA786573 A ZA 786573A ZA 786573 A ZA786573 A ZA 786573A ZA 786573 B ZA786573 B ZA 786573B
Authority
ZA
South Africa
Prior art keywords
minimizing
procedure
humidity sensor
desired properties
properties
Prior art date
Application number
ZA786573A
Other languages
English (en)
Inventor
V Antikainen
E Salasmaa
J Jalava
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 ZA786573B publication Critical patent/ZA786573B/xx

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)
ZA786573A 1977-12-02 1978-11-22 A procedure for minimizing the non-desired properties of a humidity sensor ZA786573B (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
ZA786573B true ZA786573B (en) 1980-03-26

Family

ID=8511289

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA786573A ZA786573B (en) 1977-12-02 1978-11-22 A procedure for minimizing the non-desired properties of a humidity sensor

Country Status (9)

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

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 Vdo Schindling 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
CN105209935A (zh) * 2013-02-22 2015-12-30 维萨拉公司 无线电探空仪以及用于在高温下实施大气探测的方法
WO2014191619A1 (en) 2013-05-30 2014-12-04 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 (xx) * 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
IT7830461A0 (it) 1978-12-01
DE2851686A1 (de) 1979-06-07
FI58402B (fi) 1980-09-30
GB2011093A (en) 1979-07-04
AU4203378A (en) 1979-06-07
DE2851686C2 (de) 1981-10-01
JPS6263852A (ja) 1987-03-20
JPH0340334B2 (xx) 1991-06-18
JPH0151771B2 (xx) 1989-11-06
BR7807935A (pt) 1979-07-31
FR2410821B1 (xx) 1984-04-20
IT1100442B (it) 1985-09-28
FR2410821A1 (fr) 1979-06-29
JPS5494090A (en) 1979-07-25
FI58402C (fi) 1981-01-12
FI773680A (fi) 1979-06-03

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