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
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/en

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
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 (en) 1977-12-02 1977-12-02 FARING EQUIPMENT WITHOUT ELECTRICAL EQUIPMENT HOS EN ELECTRICAL FUNCTIONAL EQUIPMENT

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 (en)
AU (1) AU4203378A (en)
BR (1) BR7807935A (en)
DE (1) DE2851686C2 (en)
FI (1) FI58402C (en)
FR (1) FR2410821A1 (en)
GB (1) GB2011093A (en)
IT (1) IT1100442B (en)
ZA (1) ZA786573B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI58403C (en) * 1979-03-29 1981-01-12 Vaisala Oy ADJUSTMENT OF FUNCTIONS
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 (en) * 1985-04-12 1986-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Probe for measuring the relative humidity of the air without hysteresis
EP0317871A3 (en) * 1987-11-24 1991-03-06 Siemens Aktiengesellschaft Probe for detecting gases
FI82554C (en) * 1988-11-02 1991-03-11 Vaisala Oy Calibration procedure for measuring the relative content of gas or steam
FI95626C (en) * 1993-09-29 1996-02-26 Vaisala Oy Procedure and arrangement for measuring humidity, especially in radio probes
FI99164C (en) * 1994-04-15 1997-10-10 Vaisala Oy Method for measuring the dew point or gas content and equipment for predicting freezing
DE9421962U1 (en) * 1994-07-28 1997-05-28 Vdo Schindling Moisture sensor for a window pane of a motor vehicle
AT1469U1 (en) * 1996-04-10 1997-05-26 E & E Elektronik Gmbh METHOD FOR DETERMINING ABSOLUTE HUMIDITY
DE19729697C1 (en) * 1997-07-11 1999-02-11 Mannesmann Vdo Ag Arrangement for determining the relative humidity
DE19953195A1 (en) * 1999-11-05 2001-05-23 Preh Elektro Feinmechanik Sensor to detect moisture, for commercial vehicle brake system; has printed circuit board with two tracks at different voltages, which are connected, short-circuited or interrupted by moisture
DE10019551A1 (en) * 2000-04-20 2001-10-25 Elk Ges Fuer Erstellung Layout Method and device for determining the relative humidity in air / gas mixtures
DE10051558C2 (en) * 2000-10-18 2003-04-17 Sitronic Elektrotech Ausruest Sensor unit with an air humidity sensor and with an air temperature sensor
DE10141408B4 (en) * 2001-08-23 2005-03-24 Knick Elektronische Meßgeräte GmbH & Co. Method for determining the calibration interval time of electrochemical measuring sensors
DE10335553A1 (en) 2003-08-02 2005-02-17 E + E Elektronik Ges.M.B.H. Method and arrangement for moisture measurement
EP2959328A4 (en) * 2013-02-22 2016-10-19 Vaisala Oyj A radiosonde and a method for atmospheric measurements performed at an elevated temperature
US9927412B2 (en) 2013-05-30 2018-03-27 Vaisala Oyj Dual gas sensor structure and measurement method
DE102017210064A1 (en) 2017-06-14 2018-12-20 E + E Elektronik Ges.M.B.H. Method for operating a sensor arrangement and suitable sensor arrangement for this purpose

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 (en) * 1972-10-12 1974-07-10 Vaisala Oy Capacitive humidity sensor and manufacturing process for the same.
JPS5434628Y2 (en) * 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
DE2851686C2 (en) 1981-10-01
JPH0151771B2 (en) 1989-11-06
DE2851686A1 (en) 1979-06-07
IT1100442B (en) 1985-09-28
JPS5494090A (en) 1979-07-25
FI58402C (en) 1981-01-12
FR2410821B1 (en) 1984-04-20
BR7807935A (en) 1979-07-31
AU4203378A (en) 1979-06-07
FI773680A (en) 1979-06-03
JPH0340334B2 (en) 1991-06-18
FI58402B (en) 1980-09-30
FR2410821A1 (en) 1979-06-29
IT7830461A0 (en) 1978-12-01
GB2011093A (en) 1979-07-04
JPS6263852A (en) 1987-03-20

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