DE69310180D1 - Apparat und verfahren zum messen von feuchtigkeit - Google Patents

Apparat und verfahren zum messen von feuchtigkeit

Info

Publication number
DE69310180D1
DE69310180D1 DE69310180T DE69310180T DE69310180D1 DE 69310180 D1 DE69310180 D1 DE 69310180D1 DE 69310180 T DE69310180 T DE 69310180T DE 69310180 T DE69310180 T DE 69310180T DE 69310180 D1 DE69310180 D1 DE 69310180D1
Authority
DE
Germany
Prior art keywords
measuring moisture
moisture
measuring
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 - Fee Related
Application number
DE69310180T
Other languages
English (en)
Other versions
DE69310180T2 (de
Inventor
Fali Dadachanji
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.)
GE Protimeter Ltd
Original Assignee
Protimeter PLC
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 Protimeter PLC filed Critical Protimeter PLC
Publication of DE69310180D1 publication Critical patent/DE69310180D1/de
Application granted granted Critical
Publication of DE69310180T2 publication Critical patent/DE69310180T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2617—Measuring dielectric properties, e.g. constants
    • G01R27/2635—Sample holders, electrodes or excitation arrangements, e.g. sensors or measuring cells
DE69310180T 1992-07-31 1993-07-14 Apparat und verfahren zum messen von feuchtigkeit Expired - Fee Related DE69310180T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929216308A GB9216308D0 (en) 1992-07-31 1992-07-31 Moisture sensing method and apparatus
PCT/GB1993/001475 WO1994003817A1 (en) 1992-07-31 1993-07-14 Moisture sensing method and apparatus

Publications (2)

Publication Number Publication Date
DE69310180D1 true DE69310180D1 (de) 1997-05-28
DE69310180T2 DE69310180T2 (de) 1997-07-31

Family

ID=10719618

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69310180T Expired - Fee Related DE69310180T2 (de) 1992-07-31 1993-07-14 Apparat und verfahren zum messen von feuchtigkeit

Country Status (5)

Country Link
EP (1) EP0653069B1 (de)
AU (1) AU4577193A (de)
DE (1) DE69310180T2 (de)
GB (1) GB9216308D0 (de)
WO (1) WO1994003817A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2347220B (en) * 1999-02-23 2003-12-31 Rynhart Res Ltd A moisture meter
US7332716B2 (en) 2005-06-06 2008-02-19 Flir Systems Ab IR camera
NL2003163C2 (en) 2009-07-09 2011-01-11 Salusion Ip B V A moisture detecting module and a receiving unit.
ITUA20162704A1 (it) * 2016-04-19 2017-10-19 Bitron Spa Dispositivo sensore per rilevare la presenza di una sostanza elettroconduttiva in una regione spaziale e sue applicazioni.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422035A (en) * 1981-12-11 1983-12-20 Extrude Hone Corporation Capacitance measurement probe
US4468610A (en) * 1982-04-14 1984-08-28 Penril Corp. Radio frequency apparatus for measuring moisture content of materials as a function of dielectric constant
GB2238622A (en) * 1989-11-15 1991-06-05 Electricity Council Sensing device

Also Published As

Publication number Publication date
EP0653069B1 (de) 1997-04-23
GB9216308D0 (en) 1992-09-16
AU4577193A (en) 1994-03-03
DE69310180T2 (de) 1997-07-31
WO1994003817A1 (en) 1994-02-17
EP0653069A1 (de) 1995-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee