DE60044877D1 - Verfahren zur messung des wassergehaltes - Google Patents

Verfahren zur messung des wassergehaltes

Info

Publication number
DE60044877D1
DE60044877D1 DE60044877T DE60044877T DE60044877D1 DE 60044877 D1 DE60044877 D1 DE 60044877D1 DE 60044877 T DE60044877 T DE 60044877T DE 60044877 T DE60044877 T DE 60044877T DE 60044877 D1 DE60044877 D1 DE 60044877D1
Authority
DE
Germany
Prior art keywords
measuring
water content
content
water
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 - Lifetime
Application number
DE60044877T
Other languages
English (en)
Inventor
Lars Stormbom
Matti Lyyra
Jukka Leppaenen
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
Application granted granted Critical
Publication of DE60044877D1 publication Critical patent/DE60044877D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; viscous liquids; paints; inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
    • G01N33/2847—Water in oil
DE60044877T 1999-06-17 2000-06-15 Verfahren zur messung des wassergehaltes Expired - Lifetime DE60044877D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991391A FI110287B (fi) 1999-06-17 1999-06-17 Menetelmä ja laitteisto nesteen vesipitoisuuden mittausta varten
PCT/FI2000/000542 WO2000079256A1 (en) 1999-06-17 2000-06-15 Method and apparatus for measuring water content

Publications (1)

Publication Number Publication Date
DE60044877D1 true DE60044877D1 (de) 2010-10-07

Family

ID=8554904

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60044877T Expired - Lifetime DE60044877D1 (de) 1999-06-17 2000-06-15 Verfahren zur messung des wassergehaltes

Country Status (6)

Country Link
US (1) US6809528B1 (de)
EP (1) EP1212607B1 (de)
JP (1) JP4676119B2 (de)
DE (1) DE60044877D1 (de)
FI (1) FI110287B (de)
WO (1) WO2000079256A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI114339B (fi) * 2001-05-16 2004-09-30 Vaisala Oyj Menetelmä ja laite nesteen vesipitoisuuden määrittämiseksi
JP4455286B2 (ja) * 2004-11-09 2010-04-21 株式会社日本自動車部品総合研究所 静電容量式湿度センサ
FI122007B (fi) * 2007-02-12 2011-07-15 Vaisala Oyj Menetelmä ja laite lämpötilariippuvuuksien mittaamiseksi ja menetelmän käyttö mittausvirheiden kompensoimiseen
US8024970B2 (en) * 2008-06-12 2011-09-27 Honeywell International Inc. Passive humidity sensors and methods for temperature adjusted humidity sensing
FI20136281L (fi) * 2013-11-06 2015-05-06 Vaisala Oyj Menetelmä ja laite nesteen kosteusparametrien jatkuvaa valvontaa varten
CN105251784B (zh) * 2014-09-09 2017-04-26 马鞍山马钢华阳设备诊断工程有限公司 一种轧机润滑油含水率和污染度在线监测方法
CN104209346B (zh) * 2014-09-09 2016-04-13 马鞍山马钢华阳设备诊断工程有限公司 一种无需温度补偿的轧机润滑油在线监测装置及其监测方法
CN105974098B (zh) * 2016-07-15 2018-04-06 西安石油大学 一种高含水油井井口含水率在线检测装置
DE112018006829A5 (de) * 2018-01-13 2020-09-17 ZIP - Dres. K. Zirk und H. Pötzschke GbR (vertretungsberechtigter Gesellschafter: Harald Pötzschke, 65191 Wiesbaden) Verfahren zur detektion matrix-gebundenen wassers
EP3587203B1 (de) * 2018-06-29 2021-08-11 Volvo Car Corporation Verfahren und system zur schätzung des wassergehaltes von bremsflüssigkeit in einem bremssystem
US11674838B2 (en) * 2019-04-04 2023-06-13 Poseidon Systems Llc Capacitive fringe field oil level sensor with integrated humidity and temperature sensing
EP4158330A1 (de) * 2020-06-01 2023-04-05 The Lubrizol Corporation Prüfsystem und verfahren für die kompatibilität eines oberflächenisolationswiderstands

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129501A (en) * 1977-09-07 1978-12-12 Haynes Edward M Method and apparatus for detecting water in oil
GB2149117A (en) 1983-11-04 1985-06-05 Anderson Strathclyde Plc Detection of water in oil
JPS6172667U (de) * 1984-10-18 1986-05-17
JPS62156551A (ja) * 1985-12-28 1987-07-11 Sharp Corp 温度／湿度センサ
JPH0814556B2 (ja) * 1987-03-31 1996-02-14 エヌオーケー株式会社 温度センサ内蔵型感湿素子
JPH0599877A (ja) * 1991-06-25 1993-04-23 Yamatake Honeywell Co Ltd 感湿装置
US5331287A (en) * 1992-07-31 1994-07-19 Hughes Aircraft Company Device and method for sensing water and/or acid in the presence of water in non-aqueous media
FI96640C (fi) * 1993-08-23 1996-07-25 Vaisala Oy Menetelmä suhteellisen kosteuden mittaamiseksi, etenkin radiosondeissa
US5644239A (en) 1994-04-15 1997-07-01 American Systems Technology, Inc. Method and apparatus for sensing the condition of a fluid
US5656767A (en) 1996-03-08 1997-08-12 Computational Systems, Inc. Automatic determination of moisture content and lubricant type
US5642098A (en) 1996-04-18 1997-06-24 Oems Corporation Capacitive oil water emulsion sensor system
DE19647201C1 (de) 1996-11-15 1998-02-12 Hydac Filtertechnik Gmbh Vorrichtung zur Messung des Wasseranteils in einem Fluid
DE19710358C2 (de) * 1997-03-13 2000-11-30 Bosch Gmbh Robert Mikrostrukturierter Sensor
JP2002514303A (ja) 1997-04-14 2002-05-14 ポール・コーポレーション 液体中の水を検出する方法およびシステム
US6182504B1 (en) 1997-11-03 2001-02-06 Roxar, Inc. Emulsion composition monitor

Also Published As

Publication number Publication date
EP1212607B1 (de) 2010-08-25
FI110287B (fi) 2002-12-31
FI991391A0 (fi) 1999-06-17
WO2000079256A1 (en) 2000-12-28
EP1212607A1 (de) 2002-06-12
JP2003502663A (ja) 2003-01-21
FI991391A (fi) 2000-12-18
US6809528B1 (en) 2004-10-26
JP4676119B2 (ja) 2011-04-27

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