FI814150L - Maethuvud foer infraroedhygrometer - Google Patents

Maethuvud foer infraroedhygrometer

Info

Publication number
FI814150L
FI814150L FI814150A FI814150A FI814150L FI 814150 L FI814150 L FI 814150L FI 814150 A FI814150 A FI 814150A FI 814150 A FI814150 A FI 814150A FI 814150 L FI814150 L FI 814150L
Authority
FI
Finland
Prior art keywords
maethuvud
infraroedhygrometer
foer
maethuvud foer
foer infraroedhygrometer
Prior art date
Application number
FI814150A
Other languages
English (en)
Other versions
FI65143C (fi
FI65143B (fi
Inventor
Paavo Huttunen
Timo Hyvaerinen
Jorma Lammasniemi
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI814150A priority Critical patent/FI65143C/fi
Priority to FI823667A priority patent/FI72603C/fi
Priority to DE8383900190T priority patent/DE3275870D1/de
Priority to EP83900190A priority patent/EP0096696B1/en
Priority to PCT/FI1982/000067 priority patent/WO1983002326A1/en
Priority to IE307482A priority patent/IE53682B1/en
Priority to CA000418484A priority patent/CA1216760A/en
Publication of FI814150L publication Critical patent/FI814150L/fi
Application granted granted Critical
Publication of FI65143B publication Critical patent/FI65143B/fi
Publication of FI65143C publication Critical patent/FI65143C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
FI814150A 1981-12-23 1981-12-23 Maethuvud foer infraroedhygrometer FI65143C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI814150A FI65143C (fi) 1981-12-23 1981-12-23 Maethuvud foer infraroedhygrometer
FI823667A FI72603C (fi) 1981-12-23 1982-10-27 Maethuvud foer infraroed fuktmaetare.
DE8383900190T DE3275870D1 (en) 1981-12-23 1982-12-22 Method and apparatus for measuring moisture content
EP83900190A EP0096696B1 (en) 1981-12-23 1982-12-22 Method and apparatus for measuring moisture content
PCT/FI1982/000067 WO1983002326A1 (en) 1981-12-23 1982-12-22 Method and apparatus for measuring moisture content
IE307482A IE53682B1 (en) 1981-12-23 1982-12-23 Method and apparatus for measuring moisture content
CA000418484A CA1216760A (en) 1981-12-23 1982-12-23 Method and apparatus for measuring moisture content

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI814150 1981-12-23
FI814150A FI65143C (fi) 1981-12-23 1981-12-23 Maethuvud foer infraroedhygrometer

Publications (3)

Publication Number Publication Date
FI814150L true FI814150L (fi) 1983-06-24
FI65143B FI65143B (fi) 1983-11-30
FI65143C FI65143C (fi) 1984-03-12

Family

ID=8514970

Family Applications (2)

Application Number Title Priority Date Filing Date
FI814150A FI65143C (fi) 1981-12-23 1981-12-23 Maethuvud foer infraroedhygrometer
FI823667A FI72603C (fi) 1981-12-23 1982-10-27 Maethuvud foer infraroed fuktmaetare.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI823667A FI72603C (fi) 1981-12-23 1982-10-27 Maethuvud foer infraroed fuktmaetare.

Country Status (6)

Country Link
EP (1) EP0096696B1 (fi)
CA (1) CA1216760A (fi)
DE (1) DE3275870D1 (fi)
FI (2) FI65143C (fi)
IE (1) IE53682B1 (fi)
WO (1) WO1983002326A1 (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1201299A (en) * 1982-11-29 1986-03-04 Albert Brunsting Optical readhead
JPS622138A (ja) * 1985-06-25 1987-01-08 ザ　ダウ　ケミカル　カンパニ− 流体媒質の光吸収を測定する方法と装置
US5128882A (en) * 1990-08-22 1992-07-07 The United States Of America As Represented By The Secretary Of The Army Device for measuring reflectance and fluorescence of in-situ soil
DE4040101A1 (de) * 1990-12-14 1992-06-17 Siemens Ag Materialfeuchte-messverfahren, verwendung und messeinrichtung zur durchfuehrung des verfahrens
WO1994007127A1 (en) * 1992-09-14 1994-03-31 Sippican, Inc. Apparatus and method for measuring chemical concentrations
SE502148C2 (sv) * 1993-12-03 1995-08-28 Bexelius Anordning för mätning av mängden fast substans i ett fluidum med ljus
CN1036679C (zh) * 1994-01-31 1997-12-10 浙江大学 电斩光近红外水分仪
US5739536A (en) * 1995-12-14 1998-04-14 The United States Of America As Represented By The Secretary Of The Navy Fiber optic infrared cone penetrometer system
WO2007000018A1 (en) * 2005-06-27 2007-01-04 Colin Jeffress Spectroscopic lance for bulk sampling
AU2006264210B2 (en) * 2005-06-27 2010-07-22 Colin Jeffress Spectroscopic lance for bulk sampling
FR2918458B1 (fr) 2007-07-06 2012-07-20 Univ Toulouse Le Mirail Dispositif de mesure non destructive de l'hydratation d'un vegetal dans son environnement naturel
SE532397C2 (sv) * 2008-10-09 2010-01-12 Microfluid Ab Vätskefilmmätare
DE102010030131B4 (de) * 2010-06-15 2011-12-29 Dow Deutschland Anlagengesellschaft Mbh Handgerät sowie Verfahren zum Untersuchen eines korrosionsanfälligen metallischen Gegenstands auf Korrosion

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141094A (en) * 1960-10-27 1964-07-14 Beckman Instruments Inc Photoelectric immersion probe
US3263553A (en) * 1961-12-12 1966-08-02 Warner Lambert Pharmaceutical Photoelectric immersion probe
US3557619A (en) * 1969-03-17 1971-01-26 Phys Chemical Research Corp Humidity measuring method and apparatus
FR2050928A5 (fi) * 1969-06-30 1971-04-02 Thomson Csf
DE2034344A1 (de) * 1970-07-10 1972-01-13 Ulrich H Einrichtung zur Messung physikalischer Großen durch Messung der Intensität eines Lichtstrahlenbundels
CA1089252A (en) * 1976-10-18 1980-11-11 John M. Sperinde Optical catheter not requiring individual calibration

Also Published As

Publication number Publication date
IE823074L (en) 1983-06-23
FI823667L (fi) 1983-06-24
EP0096696A1 (en) 1983-12-28
FI65143C (fi) 1984-03-12
EP0096696B1 (en) 1987-03-25
CA1216760A (en) 1987-01-20
FI72603C (fi) 1987-06-08
FI72603B (fi) 1987-02-27
DE3275870D1 (en) 1987-04-30
FI823667A0 (fi) 1982-10-27
IE53682B1 (en) 1989-01-04
FI65143B (fi) 1983-11-30
WO1983002326A1 (en) 1983-07-07

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS