IT1393473B1 - Metodo di taratura per apparecchiature per la determinazione del grado di umidità di prodotti sulla base di misure capacitive, e dispositivo per la simulazione delle proprietà dielettriche di prodotti, quali legname, da utilizzare in tale metodo. - Google Patents

Metodo di taratura per apparecchiature per la determinazione del grado di umidità di prodotti sulla base di misure capacitive, e dispositivo per la simulazione delle proprietà dielettriche di prodotti, quali legname, da utilizzare in tale metodo.

Info

Publication number
IT1393473B1
IT1393473B1 ITVR2009A000028A ITVR20090028A IT1393473B1 IT 1393473 B1 IT1393473 B1 IT 1393473B1 IT VR2009A000028 A ITVR2009A000028 A IT VR2009A000028A IT VR20090028 A ITVR20090028 A IT VR20090028A IT 1393473 B1 IT1393473 B1 IT 1393473B1
Authority
IT
Italy
Prior art keywords
products
wood
calibration
simulation
humidity
Prior art date
Application number
ITVR2009A000028A
Other languages
English (en)
Inventor
Marco Boschetti
Andrea Gottardo
Original Assignee
Microtec Srl
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 Microtec Srl filed Critical Microtec Srl
Priority to ITVR2009A000028A priority Critical patent/IT1393473B1/it
Priority to EP10155464A priority patent/EP2228641B1/en
Priority to CA2695338A priority patent/CA2695338C/en
Priority to AT10155464T priority patent/ATE538374T1/de
Priority to US12/720,267 priority patent/US8410796B2/en
Publication of ITVR20090028A1 publication Critical patent/ITVR20090028A1/it
Application granted granted Critical
Publication of IT1393473B1 publication Critical patent/IT1393473B1/it

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
    • 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
    • G01N33/46—Wood

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
ITVR2009A000028A 2009-03-10 2009-03-10 Metodo di taratura per apparecchiature per la determinazione del grado di umidità di prodotti sulla base di misure capacitive, e dispositivo per la simulazione delle proprietà dielettriche di prodotti, quali legname, da utilizzare in tale metodo. IT1393473B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITVR2009A000028A IT1393473B1 (it) 2009-03-10 2009-03-10 Metodo di taratura per apparecchiature per la determinazione del grado di umidità di prodotti sulla base di misure capacitive, e dispositivo per la simulazione delle proprietà dielettriche di prodotti, quali legname, da utilizzare in tale metodo.
EP10155464A EP2228641B1 (en) 2009-03-10 2010-03-04 Method for calibrating a capacitive moisture content measurement apparatus
CA2695338A CA2695338C (en) 2009-03-10 2010-03-04 Method for calibrating apparatuses for determining the moisture content of products based on capacitive measurements, and device for simulating the dielectric properties of products, such as wood, for use in this method
AT10155464T ATE538374T1 (de) 2009-03-10 2010-03-04 Verfahren um ein kapazitives feuchtegehaltsmessgerät zu kalibrieren
US12/720,267 US8410796B2 (en) 2009-03-10 2010-03-09 Method for calibrating apparatuses for determining the moisture content of products based on capacitive measurements, and device for stimulating the dielectric properties of products, such as wood, for use in this method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVR2009A000028A IT1393473B1 (it) 2009-03-10 2009-03-10 Metodo di taratura per apparecchiature per la determinazione del grado di umidità di prodotti sulla base di misure capacitive, e dispositivo per la simulazione delle proprietà dielettriche di prodotti, quali legname, da utilizzare in tale metodo.

Publications (2)

Publication Number Publication Date
ITVR20090028A1 ITVR20090028A1 (it) 2010-09-11
IT1393473B1 true IT1393473B1 (it) 2012-04-20

Family

ID=41258940

Family Applications (1)

Application Number Title Priority Date Filing Date
ITVR2009A000028A IT1393473B1 (it) 2009-03-10 2009-03-10 Metodo di taratura per apparecchiature per la determinazione del grado di umidità di prodotti sulla base di misure capacitive, e dispositivo per la simulazione delle proprietà dielettriche di prodotti, quali legname, da utilizzare in tale metodo.

Country Status (5)

Country Link
US (1) US8410796B2 (it)
EP (1) EP2228641B1 (it)
AT (1) ATE538374T1 (it)
CA (1) CA2695338C (it)
IT (1) IT1393473B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011078369B4 (de) * 2011-06-29 2013-02-28 Ident Technology Ag Kapazitive Sensoreinrichtung sowie Verfahren zum Kalibrieren einer kapazitiven Sensoreinrichtung

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB507181A (it) *
US2076441A (en) * 1930-09-02 1937-04-06 Albert L Berry Moisture tester and method
BE567800A (it) * 1957-10-21
US3241062A (en) * 1963-02-18 1966-03-15 Industrial Nucleonics Corp Computer system for two-frequency dielectric materials gauge with standardization and temperature sensor input
US3290588A (en) * 1963-03-27 1966-12-06 Industrial Nucleonics Corp Dielectric measuring system including phase inverting means
US3323046A (en) * 1963-10-21 1967-05-30 Industrial Nucleonics Corp Dielectric measuring system including phase inverting means and a summing amplifier
US3253458A (en) * 1963-12-09 1966-05-31 Gen Motors Corp Method and apparatus for measuring moisture
GB1082805A (en) * 1964-03-27 1967-09-13 Forte Engineering Corp Improvements in or relating to the measurement of selective capacitivity related to characteristics of materials
US3339137A (en) * 1964-07-03 1967-08-29 Weyerhaeuser Co Moisture determining apparatus having adjacent electrode pairs driven outof-phase
US3430140A (en) * 1966-03-02 1969-02-25 Laucks Lab Inc Moisture detection with sequentially switched balanced electrode pairs
US3504280A (en) * 1968-04-29 1970-03-31 Industrial Nucleonics Corp Dual frequency admittance gauge having improved frequency response unrelated to feedback response time
US3593128A (en) * 1969-05-21 1971-07-13 Weyerhaeuser Co Moisture-content-measuring system employing a separate bridge circuit for each sensing electrode thereof
US3646434A (en) * 1969-11-12 1972-02-29 Industrial Nucleonics Corp Standardization of dielectric materials gauges having capacitive probes with remotely controlled balancing circuits using varactors
US3794911A (en) * 1972-08-23 1974-02-26 Dickey John Corp Weight responsive moisture tester having time delay means and temperature compensation
US4066951A (en) * 1976-10-04 1978-01-03 Wang Robert O Apparatus for calibrating moisture measuring instrument
US4147976A (en) * 1977-10-13 1979-04-03 Wang Robert O Device for testing and calibrating moisture measuring instrument
US4433286A (en) * 1979-04-09 1984-02-21 Georgetown University Identification of materials using their complex dielectric response
US4540936A (en) * 1982-09-07 1985-09-10 Dartmouth College Soil moisture sensor
US4924173A (en) * 1989-02-06 1990-05-08 Troxler Electronic Laboratories, Inc. Shielded capacitance standard
US5521515A (en) * 1995-02-17 1996-05-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Frequency scanning capaciflector for capacitively determining the material properties
US6147503A (en) 1998-05-08 2000-11-14 The United States Of America As Represented By The Secretary Of Agriculture Method for the simultaneous and independent determination of moisture content and density of particulate materials from radio-frequency permittivity measurements
US6388453B1 (en) 1999-01-25 2002-05-14 Bryan D. Greer Swept-frequency dielectric moisture and density sensor
US6784671B2 (en) 2002-02-04 2004-08-31 Mississippi State University Moisture and density detector (MDD)
CA2430204C (en) * 2003-05-28 2005-01-04 William D. Fraser Grain moisture sensor
US7222526B2 (en) * 2004-06-17 2007-05-29 Ortho-Clinical Diagnostics, Inc Liquid measurements using capacitive monitoring
DE102004063228B4 (de) * 2004-12-22 2007-06-28 Hauni Maschinenbau Ag Meßvorrichtung und -verfahren zur Bestimmung einer dielektrischen Eigenschaft, insbesondere der Feuchte und/oder Dichte, eines Produkts
WO2006102083A2 (en) * 2005-03-18 2006-09-28 Troxler Electronic Laboratories, Inc. Apparatuses and systems for density gauge reference emulation
US7911213B2 (en) * 2007-10-05 2011-03-22 Lam Research Corporation Methods for measuring dielectric properties of parts

Also Published As

Publication number Publication date
US8410796B2 (en) 2013-04-02
ATE538374T1 (de) 2012-01-15
EP2228641A1 (en) 2010-09-15
CA2695338C (en) 2018-07-31
CA2695338A1 (en) 2010-09-10
ITVR20090028A1 (it) 2010-09-11
US20100231231A1 (en) 2010-09-16
EP2228641B1 (en) 2011-12-21

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