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 sensorInfo
- 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
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)
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 (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) |
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 (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 |
WO2014128348A1 (en) * | 2013-02-22 | 2014-08-28 | 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)
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 |
-
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 AU AU42033/78A patent/AU4203378A/en active Pending
- 1978-11-29 FR FR7833753A patent/FR2410821A1/fr active Granted
- 1978-11-29 GB GB7846486A patent/GB2011093A/en not_active Withdrawn
- 1978-11-30 JP JP14730878A patent/JPS5494090A/ja active Granted
- 1978-12-01 IT IT30461/78A patent/IT1100442B/it active
- 1978-12-01 BR BR7807935A patent/BR7807935A/pt unknown
-
1986
- 1986-07-16 JP JP61165684A patent/JPS6263852A/ja active Granted
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 |
JPH0151771B2 (fi) | 1989-11-06 |
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 |
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