JPH0151771B2 - - Google Patents

Info

Publication number
JPH0151771B2
JPH0151771B2 JP53147308A JP14730878A JPH0151771B2 JP H0151771 B2 JPH0151771 B2 JP H0151771B2 JP 53147308 A JP53147308 A JP 53147308A JP 14730878 A JP14730878 A JP 14730878A JP H0151771 B2 JPH0151771 B2 JP H0151771B2
Authority
JP
Japan
Prior art keywords
humidity
sensor
sensitive material
humidity sensor
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.)
Expired
Application number
JP53147308A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5494090A (en
Inventor
Anchikainen Beiyo
Yaraba Yoko
Sarasumaa Eeroo
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 JPS5494090A publication Critical patent/JPS5494090A/ja
Publication of JPH0151771B2 publication Critical patent/JPH0151771B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223Investigating 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
    • G01N27/225Investigating 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)
JP14730878A 1977-12-02 1978-11-30 Method of minimizing undesirable characteristics of humidity sensor Granted JPS5494090A (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 (2)

Publication Number Publication Date
JPS5494090A JPS5494090A (en) 1979-07-25
JPH0151771B2 true JPH0151771B2 (fi) 1989-11-06

Family

ID=8511289

Family Applications (2)

Application Number Title Priority Date Filing Date
JP14730878A Granted JPS5494090A (en) 1977-12-02 1978-11-30 Method of minimizing undesirable characteristics of humidity sensor
JP61165684A Granted JPS6263852A (ja) 1977-12-02 1986-07-16 温度補償の容量型湿度センサ

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP61165684A Granted JPS6263852A (ja) 1977-12-02 1986-07-16 温度補償の容量型湿度センサ

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (18)

* 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
DE4426736C2 (de) * 1994-07-28 1999-12-23 Mannesmann Vdo Ag Feuchtesensor für eine Fensterscheibe eines Kraftfahrzeugs
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
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 (fi) * 1973-06-06 1979-10-23
GB1464605A (en) * 1973-08-14 1977-02-16 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
GB2011093A (en) 1979-07-04
FI58402B (fi) 1980-09-30
JPH0340334B2 (fi) 1991-06-18
DE2851686A1 (de) 1979-06-07
FR2410821A1 (fr) 1979-06-29
FI773680A (fi) 1979-06-03
FR2410821B1 (fi) 1984-04-20
FI58402C (fi) 1981-01-12
JPS6263852A (ja) 1987-03-20
BR7807935A (pt) 1979-07-31
ZA786573B (en) 1980-03-26
AU4203378A (en) 1979-06-07
DE2851686C2 (de) 1981-10-01
IT1100442B (it) 1985-09-28
IT7830461A0 (it) 1978-12-01
JPS5494090A (en) 1979-07-25

Similar Documents

Publication Publication Date Title
JPH0151771B2 (fi)
US5050434A (en) Capacitive humidity sensor
EP0640831B1 (en) Method for measurement of relative humidity, in particular in radiosondes
US7635091B2 (en) Humidity sensor formed on a ceramic substrate in association with heating components
US4603372A (en) Method of fabricating a temperature or humidity sensor of the thin film type, and sensors obtained thereby
JP2004061305A (ja) 静電容量センサ
US5814726A (en) Method for determining the absolute humidity of air
GB2288465A (en) Method of measuring dewpoint or gas concentration and apparatus for prediction of icing
AU2007292328A1 (en) Method and apparatus for controlling the sensitivity and value of a capacitive humidity sensor
US5069069A (en) Moisture-sensitive element for moisture sensors
US4635027A (en) Resistance-variation type moisture sensor
Lee et al. Resistive humidity sensor using phosphonium salt-containing polyelectrolytes based on the mutually cross-linkable copolymers
JPH0781974B2 (ja) セラミックス湿度センサ
RU2096777C1 (ru) Датчик влажности
Enfield et al. Conductivity instrumentation for in situ measurement of soil salinity
KR102499009B1 (ko) 센서 어셈블리 작동 방법 및 이에 적합한 센서 어셈블리
JP2813423B2 (ja) 電気化学式ガスセンサ
SU1651180A1 (ru) Способ изготовлени подогревного электролитического датчика влажности
JP3421192B2 (ja) 限界電流式ガスセンサによる水蒸気濃度測定方法とその方法を利用した水蒸気濃度測定装置
CN218212746U (zh) 双向立体加热型湿度传感器和具有湿度采集功能的设备
JP2813424B2 (ja) 電気化学式ガスセンサ装置
JP3047138B2 (ja) 湿度センサの製造方法
KR100331809B1 (ko) 박막형 절대습도 센서
Salasmaa et al. Humicap® thin film humidity sensor
JP2719830B2 (ja) 感湿素子