FR2410821A1 - Procede pour minimiser les proprietes indesirables d'un detecteur d'humidite - Google Patents

Procede pour minimiser les proprietes indesirables d'un detecteur d'humidite

Info

Publication number
FR2410821A1
FR2410821A1 FR7833753A FR7833753A FR2410821A1 FR 2410821 A1 FR2410821 A1 FR 2410821A1 FR 7833753 A FR7833753 A FR 7833753A FR 7833753 A FR7833753 A FR 7833753A FR 2410821 A1 FR2410821 A1 FR 2410821A1
Authority
FR
France
Prior art keywords
humidity
minimizing
humidity detector
adverse properties
adverse
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.)
Granted
Application number
FR7833753A
Other languages
English (en)
Other versions
FR2410821B1 (fr
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 FR2410821A1 publication Critical patent/FR2410821A1/fr
Application granted granted Critical
Publication of FR2410821B1 publication Critical patent/FR2410821B1/fr
Granted 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)
  • 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)

Abstract

L'INVENTION CONCERNE UN PROCEDE POUR MINIMISER LES PROPRIETES INDESIRABLES D'UN DETECTEUR D'HUMIDITE ELECTRIQUE DONT LE FONCTIONNEMENT EST BASE SUR UNE MODIFICATION D'IMPEDANCE. UN AGENT SENSIBLE A L'HUMIDITE EST REALISE PAR UN POLYMERE ORGANIQUE. CE MATERIAU SENSIBLE A L'HUMIDITE EST CHAUFFE A UNE TEMPERATURE T SUPERIEURE A LA TEMPERATURE AMBIANTE EN FONCTION DE L'HUMIDITE A MESURER. APPLICATION AUX DETECTEURS D'HUMIDITE.
FR7833753A 1977-12-02 1978-11-29 Procede pour minimiser les proprietes indesirables d'un detecteur d'humidite Granted FR2410821A1 (fr)

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
FR2410821A1 true FR2410821A1 (fr) 1979-06-29
FR2410821B1 FR2410821B1 (fr) 1984-04-20

Family

ID=8511289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7833753A Granted FR2410821A1 (fr) 1977-12-02 1978-11-29 Procede pour minimiser les proprietes indesirables d'un detecteur d'humidite

Country Status (9)

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

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 (fr) * 1987-11-24 1991-03-06 Siemens Aktiengesellschaft Capteur pour détecter des gaz
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
EP2959328A4 (fr) * 2013-02-22 2016-10-19 Vaisala Oyj Radiosonde et procédé de mesures atmosphériques réalisées à une température élevée
CN105229463B (zh) 2013-05-30 2019-08-02 维萨拉公司 双气体传感器结构及测量方法
DE102017210064A1 (de) 2017-06-14 2018-12-20 E + E Elektronik Ges.M.B.H. Verfahren zum Betrieb einer Sensoranordnung und hierzu geeignete Sensoranordnung

Citations (4)

* 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
FR2203520A5 (fr) * 1972-10-12 1974-05-10 Vaisala Oy
GB1464605A (en) * 1973-08-14 1977-02-16 Nippon Sheet Glass Co Ltd Humidity-sensitive sensor
GB1481441A (en) * 1974-02-11 1977-07-27 Anthony S Mfg Co Door with electrical heating means

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350941A (en) * 1965-05-20 1967-11-07 Johnson Service Co Humidity sensing element
JPS5434628Y2 (fr) * 1973-06-06 1979-10-23

Patent Citations (4)

* 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
FR2203520A5 (fr) * 1972-10-12 1974-05-10 Vaisala Oy
GB1464605A (en) * 1973-08-14 1977-02-16 Nippon Sheet Glass Co Ltd Humidity-sensitive sensor
GB1481441A (en) * 1974-02-11 1977-07-27 Anthony S Mfg Co Door with electrical heating means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXRV/71 *

Also Published As

Publication number Publication date
FI773680A7 (fi) 1979-06-03
IT1100442B (it) 1985-09-28
IT7830461A0 (it) 1978-12-01
GB2011093A (en) 1979-07-04
FI58402C (fi) 1981-01-12
JPH0340334B2 (fr) 1991-06-18
ZA786573B (en) 1980-03-26
DE2851686A1 (de) 1979-06-07
JPH0151771B2 (fr) 1989-11-06
AU4203378A (en) 1979-06-07
DE2851686C2 (de) 1981-10-01
JPS5494090A (en) 1979-07-25
JPS6263852A (ja) 1987-03-20
BR7807935A (pt) 1979-07-31
FI58402B (fi) 1980-09-30
FR2410821B1 (fr) 1984-04-20

Similar Documents

Publication Publication Date Title
FR2410821A1 (fr) Procede pour minimiser les proprietes indesirables d'un detecteur d'humidite
FR2328508A1 (fr) Gels poreux, leur procede d'obtention et applications
ES435841A1 (es) Metodo para la fabricacion de un filtro fibroso cargado e- lectricamente.
SE7901830L (sv) Andedrekttestanordning
GB1425204A (en) Moisture-measuring devices
JPS5633535A (en) Selective gas sensor
FR2650891B1 (fr) Capteur a filament en couche mince autoporte, son procede de fabrication et ses applications dans la detection de gaz et en chromatographie gazeuse
DE69123973D1 (de) Analytisches verfahren
IT1112607B (it) Polimeri ad alta conduttivita
SE7608944L (sv) Forfarande och anordning for bearbetning av elektriskt ledande material medelst elektrokemiskt angrepp
DK240876A (da) Varmerude med fugtdetektor med hoj impedans
SE7608274L (sv) Suppositoriebas och forfarande for dess framstellning
FR2296592A1 (fr) Procede de fabrication d'objets en carbone, et objets ainsi obtenus
BE878632A (fr) Appareil de detection d'une matiere filamentaire continue
FR2311524A1 (fr) Lave-vaisselle et son procede de fonctionnement
ES425301A1 (es) Un aparato para determinar el area superficial de una mues-tra.
ES446002A1 (es) Un aparato sensor de gases mejorado.
ES450563A1 (es) Procedimiento para la obtencion de polimeros y copolimeros reticulables.
NO772533L (no) Nye celluloseoppl¦sninger og fremgangsm}te for fremstilling av disse
US3736546A (en) Illumination platter on a mobile vehicle
JPS5647724A (en) Radiation sensor of polometer and method of producing thereof
FR2308268A1 (fr) Capteur phonographique
SU646220A1 (ru) Устройство дл определени плотности укладки волокнистых материалов
JPS56163409A (en) Dial gauge
SU619839A1 (ru) Способ определени коэффициента температуропроводности электропровод щих пленок

Legal Events

Date Code Title Description
ST Notification of lapse