SE505241C2 - Metod och anordning för bestämning av fuktinnehållet i ett material - Google Patents

Metod och anordning för bestämning av fuktinnehållet i ett material

Info

Publication number
SE505241C2
SE505241C2 SE9000065A SE9000065A SE505241C2 SE 505241 C2 SE505241 C2 SE 505241C2 SE 9000065 A SE9000065 A SE 9000065A SE 9000065 A SE9000065 A SE 9000065A SE 505241 C2 SE505241 C2 SE 505241C2
Authority
SE
Sweden
Prior art keywords
signal
frequency
measured
component
moisture content
Prior art date
Application number
SE9000065A
Other languages
English (en)
Swedish (sv)
Other versions
SE9000065D0 (sv
SE9000065L (sv
Inventor
Pekka Jakkula
Esko Tahkola
Original Assignee
Kajaani Electronics
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 Kajaani Electronics filed Critical Kajaani Electronics
Publication of SE9000065D0 publication Critical patent/SE9000065D0/xx
Publication of SE9000065L publication Critical patent/SE9000065L/
Publication of SE505241C2 publication Critical patent/SE505241C2/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/04—Investigating moisture content

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
SE9000065A 1989-01-13 1990-01-09 Metod och anordning för bestämning av fuktinnehållet i ett material SE505241C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI890201A FI84402C (fi) 1989-01-13 1989-01-13 Foerfarande och anordning foer bestaemning av fukthalt i materialet.

Publications (3)

Publication Number Publication Date
SE9000065D0 SE9000065D0 (sv) 1990-01-09
SE9000065L SE9000065L (sv) 1990-07-14
SE505241C2 true SE505241C2 (sv) 1997-07-21

Family

ID=8527725

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9000065A SE505241C2 (sv) 1989-01-13 1990-01-09 Metod och anordning för bestämning av fuktinnehållet i ett material

Country Status (5)

Country Link
JP (1) JP3026223B2 (de)
CA (1) CA2007300C (de)
DE (1) DE4000925C2 (de)
FI (1) FI84402C (de)
SE (1) SE505241C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000003235A1 (en) * 1998-07-10 2000-01-20 Neles Field Controls Oy Method and measuring arrangement for measuring gas content of fluid

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3160474B2 (ja) * 1994-09-12 2001-04-25 株式会社東芝 マイクロ波濃度計
DE19725305A1 (de) * 1997-06-14 1998-12-17 Micas Elektronik Gmbh U Co Kg Verfahren und Vorrichtung zur Bestimmung des Feuchtigkeitsgehalts von Gegenständen
JP2000111499A (ja) 1998-10-02 2000-04-21 Toshiba Fa Syst Eng Corp マイクロ波濃度測定装置
US6854322B2 (en) * 2002-06-10 2005-02-15 The Procter & Gamble Company Directional coupler sensor
US7151380B2 (en) 2004-08-06 2006-12-19 Voith Paper Patent Gmbh Microwave water weight sensor and process
DE102004058641B4 (de) * 2004-12-01 2007-03-01 Agueeva, Olga, Dr. Verfahren zur kontinuierlichen oder diskontinuierlichen Bestimmung der Konzentration der enthaltenen Bestandteile in einem Medium mittels Auswertung der das Medium durchdringende Mikrowellen
DE102006052789B3 (de) * 2006-11-09 2008-07-10 Festo Ag & Co Verfahren und Positionsmessvorrichtung zur Bestimmung einer Position eines Messobjekts
CA3096950C (en) 2013-06-28 2024-04-02 Sensors & Software Inc. System and method for measurement of material property using variable reflector
DE102014216466A1 (de) * 2014-08-20 2016-02-25 Bayerische Motoren Werke Aktiengesellschaft Quantitative Bestimmung des Wassergehalts an Werkstoffen
CN104977312B (zh) * 2015-06-18 2017-10-13 四川莱源科技有限公司 雷达型微波测水仪器的测试方法
DE102017202214B4 (de) 2017-02-13 2019-06-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Anordnung zur Messung von Eigenschaften einer Materialbahn

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851244A (en) * 1973-12-18 1974-11-26 Electronic Ass Of Canada Ltd Microwave moisture measuring apparatus
NL8100250A (nl) * 1980-03-13 1981-10-01 Halliburton Co Akoestisch logstelsel met zwaai-energiebron.
DE3150202A1 (de) * 1981-12-18 1983-06-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur messung der feuchte
JPH0785062B2 (ja) * 1987-06-09 1995-09-13 建設省土木研究所長 電磁波による土の乾燥密度の測定方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000003235A1 (en) * 1998-07-10 2000-01-20 Neles Field Controls Oy Method and measuring arrangement for measuring gas content of fluid

Also Published As

Publication number Publication date
FI890201A (fi) 1990-07-14
JPH02238348A (ja) 1990-09-20
FI84402C (fi) 1991-11-25
DE4000925A1 (de) 1990-07-19
CA2007300C (en) 2000-09-26
JP3026223B2 (ja) 2000-03-27
CA2007300A1 (en) 1990-07-13
SE9000065D0 (sv) 1990-01-09
SE9000065L (sv) 1990-07-14
FI890201A0 (fi) 1989-01-13
DE4000925C2 (de) 1998-01-22
FI84402B (fi) 1991-08-15

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Legal Events

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NUG Patent has lapsed