FR2410821A1 - Procede pour minimiser les proprietes indesirables d'un detecteur d'humidite - Google Patents
Procede pour minimiser les proprietes indesirables d'un detecteur d'humiditeInfo
- 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
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.
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)
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 |
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 (fr) | 2013-05-30 | 2022-12-28 | Vaisala Oyj | Structure à double capteur de gaz et procédé de mesure |
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)
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)
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 |
-
1977
- 1977-12-02 FI FI773680A patent/FI58402C/fi not_active IP Right Cessation
-
1978
- 1978-11-22 ZA ZA786573A patent/ZA786573B/xx unknown
- 1978-11-29 DE DE2851686A patent/DE2851686C2/de not_active Expired
- 1978-11-29 GB GB7846486A patent/GB2011093A/en not_active Withdrawn
- 1978-11-29 FR FR7833753A patent/FR2410821A1/fr active Granted
- 1978-11-29 AU AU42033/78A patent/AU4203378A/en active Pending
- 1978-11-30 JP JP14730878A patent/JPS5494090A/ja active Granted
- 1978-12-01 BR BR7807935A patent/BR7807935A/pt unknown
- 1978-12-01 IT IT30461/78A patent/IT1100442B/it active
-
1986
- 1986-07-16 JP JP61165684A patent/JPS6263852A/ja active Granted
Patent Citations (4)
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)
Title |
---|
EXRV/71 * |
Also Published As
Publication number | Publication date |
---|---|
FI58402C (fi) | 1981-01-12 |
FI58402B (fi) | 1980-09-30 |
DE2851686A1 (de) | 1979-06-07 |
BR7807935A (pt) | 1979-07-31 |
JPS6263852A (ja) | 1987-03-20 |
FR2410821B1 (fr) | 1984-04-20 |
AU4203378A (en) | 1979-06-07 |
DE2851686C2 (de) | 1981-10-01 |
IT1100442B (it) | 1985-09-28 |
JPH0151771B2 (fr) | 1989-11-06 |
FI773680A (fi) | 1979-06-03 |
GB2011093A (en) | 1979-07-04 |
JPH0340334B2 (fr) | 1991-06-18 |
ZA786573B (en) | 1980-03-26 |
JPS5494090A (en) | 1979-07-25 |
IT7830461A0 (it) | 1978-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |