DK245378A - Apparat til at bestemme vandindholdet i isotropematerailer - Google Patents

Apparat til at bestemme vandindholdet i isotropematerailer

Info

Publication number
DK245378A
DK245378A DK245378A DK245378A DK245378A DK 245378 A DK245378 A DK 245378A DK 245378 A DK245378 A DK 245378A DK 245378 A DK245378 A DK 245378A DK 245378 A DK245378 A DK 245378A
Authority
DK
Denmark
Prior art keywords
isotrope
determining
materials
water content
content
Prior art date
Application number
DK245378A
Other languages
English (en)
Inventor
H G Fitzky
F Schmitt
N Bollongino
H Rehrmann
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of DK245378A publication Critical patent/DK245378A/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators
    • 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)
  • Measurement Of Resistance Or Impedance (AREA)
DK245378A 1977-06-02 1978-06-01 Apparat til at bestemme vandindholdet i isotropematerailer DK245378A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772724959 DE2724959A1 (de) 1977-06-02 1977-06-02 Vorrichtung zur bestimmung des wassergehaltes von isotropen materialien mit hilfe der mikrowellenabsorption

Publications (1)

Publication Number Publication Date
DK245378A true DK245378A (da) 1978-12-03

Family

ID=6010562

Family Applications (1)

Application Number Title Priority Date Filing Date
DK245378A DK245378A (da) 1977-06-02 1978-06-01 Apparat til at bestemme vandindholdet i isotropematerailer

Country Status (6)

Country Link
US (1) US4211970A (da)
EP (1) EP0000020A1 (da)
JP (1) JPS542794A (da)
DE (1) DE2724959A1 (da)
DK (1) DK245378A (da)
IT (1) IT7824083A0 (da)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319185A (en) * 1979-12-05 1982-03-09 Sentrol Systems Ltd. Delay line microwave moisture measuring apparatus
JPS59224547A (ja) * 1983-06-03 1984-12-17 Kanzaki Paper Mfg Co Ltd 繊維シ−トの繊維配向測定方法
US4634963A (en) * 1983-09-21 1987-01-06 The Boeing Company Method and apparatus for the testing of dielectric materials
US4629977A (en) * 1985-06-03 1986-12-16 Tektronix, Inc. Method and apparatus for measuring the resonant frequency of a high Q resonator
GB2182149B (en) * 1985-10-25 1989-12-20 Coal Ind Improved moisture meter
JPH0776777B2 (ja) * 1986-02-24 1995-08-16 新王子製紙株式会社 材料の３次元方向の誘電率測定方法
GB8719273D0 (en) * 1987-08-14 1987-09-23 Shell Int Research Detecting liquid contamination in oil drums
JPH0247553U (da) * 1988-09-28 1990-03-30
CA2027949C (en) * 1989-10-19 1999-08-24 Barry John Downing Particle classification
US5039947A (en) * 1990-06-01 1991-08-13 The United States Of America As Represented By The Secretary Of Agriculture Microwave technique for single kernel, seed, nut, or fruit moisture content determination
US5331284A (en) * 1992-04-21 1994-07-19 Baker Hughes Incorporated Meter and method for in situ measurement of the electromagnetic properties of various process materials using cutoff frequency characterization and analysis
US5455516A (en) * 1992-04-21 1995-10-03 Thermedics Inc. Meter and method for in situ measurement of the electromagnetic properties of various process materials using cutoff frequency characterization and analysis
US5838158A (en) * 1995-08-08 1998-11-17 Appleton Mills Measuring system for measuring the amount of dielectric in a web
US5714887A (en) * 1996-05-10 1998-02-03 New Holland North America, Inc. Fixture for use in microwave grain moisture measurement
WO1998001747A1 (en) * 1996-07-04 1998-01-15 Nicholas Adrian Reed Apparatus for measuring the water content with microwaves
EP1114299B1 (en) * 1998-08-31 2005-02-02 Malcam Ltd. Microwave resonator for continuous evaluation of fibrous materials
GB2359630A (en) * 2000-02-26 2001-08-29 Frank Thompson Measurement of moisture content using microwave radiation
SE527900C2 (sv) * 2004-12-22 2006-07-04 Astrazeneca Ab Spektroskopiskt förfarande
JP2008051712A (ja) * 2006-08-25 2008-03-06 Daio Paper Corp 細片集合物の水分率測定装置及び水分率測定方法
US8629681B1 (en) * 2009-05-18 2014-01-14 The United States Of America, As Represented By The Secretary Of Agriculture Microwave sensor and algorithm for moisture and density determination
US10352743B1 (en) 2013-09-26 2019-07-16 Sensors That Count, L.L.C. Flow sensor based on electrical capacity
RU2585169C1 (ru) * 2014-12-03 2016-05-27 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Омский государственный педагогический университет" Радиофизический способ определения состава почвы

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430139A (en) * 1964-06-09 1969-02-25 Siemens Ag Circuit arrangement for the measurement of the absolute delay of a quadrupole especially of a transmission line
US3426247A (en) * 1965-02-11 1969-02-04 France Armed Forces Photographic spark generator having a very high frequency bridge trigger
US3265967A (en) * 1965-06-08 1966-08-09 Mark A Heald Microwave plasma density measurement system
US3439266A (en) * 1965-10-01 1969-04-15 Western Electric Co Method of and system for heterodyning employing a single source of signals
US3482161A (en) * 1966-10-17 1969-12-02 Hewlett Packard Co Power-saturation spectrometer
BE759483R (fr) * 1969-12-08 1971-04-30 Commissariat Energie Atomique Procede de mesure d'un deplacement et dispositif en faisant applicatio
US3691454A (en) * 1970-10-19 1972-09-12 Lawrence W Hrubesh Microwave cavity gas analyzer
JPS5718136B2 (da) * 1973-11-27 1982-04-15
US4131845A (en) * 1977-10-03 1978-12-26 Kay-Ray, Inc. Microwave moisture sensor chute

Also Published As

Publication number Publication date
US4211970A (en) 1980-07-08
JPS542794A (en) 1979-01-10
DE2724959A1 (de) 1978-12-21
IT7824083A0 (it) 1978-05-31
EP0000020A1 (de) 1978-12-20

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