DE69120462D1 - Infrarotfeuchtigkeitsmessgerät - Google Patents
InfrarotfeuchtigkeitsmessgerätInfo
- Publication number
- DE69120462D1 DE69120462D1 DE69120462T DE69120462T DE69120462D1 DE 69120462 D1 DE69120462 D1 DE 69120462D1 DE 69120462 T DE69120462 T DE 69120462T DE 69120462 T DE69120462 T DE 69120462T DE 69120462 D1 DE69120462 D1 DE 69120462D1
- Authority
- DE
- Germany
- Prior art keywords
- moisture meter
- infrared moisture
- infrared
- meter
- moisture
- 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
Links
Classifications
-
- 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
- G01N33/34—Paper
- G01N33/346—Paper sheets
-
- 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
- G01N21/3559—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 in sheets, e.g. in paper
-
- 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
- G01N21/86—Investigating moving sheets
-
- 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
- G01N21/86—Investigating moving sheets
- G01N2021/8609—Optical head specially adapted
-
- 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
- G01N21/86—Investigating moving sheets
- G01N2021/8609—Optical head specially adapted
- G01N2021/8627—Optical head specially adapted with an illuminator over the whole width
- G01N2021/8636—Detecting arrangement therefore, e.g. collimators, screens
-
- 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
- G01N21/86—Investigating moving sheets
- G01N2021/8663—Paper, e.g. gloss, moisture content
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2111539A JPH049644A (ja) | 1990-04-26 | 1990-04-26 | 紙質の影響を低減した赤外線水分計 |
JP454491 | 1991-01-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69120462D1 true DE69120462D1 (de) | 1996-08-01 |
DE69120462T2 DE69120462T2 (de) | 1996-11-28 |
Family
ID=26338351
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69120462T Expired - Fee Related DE69120462T2 (de) | 1990-04-26 | 1991-03-26 | Infrarotfeuchtigkeitsmessgerät |
DE199191104799T Pending DE453797T1 (de) | 1990-04-26 | 1991-03-26 | Infrarotfeuchtigkeitsmessgeraet. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE199191104799T Pending DE453797T1 (de) | 1990-04-26 | 1991-03-26 | Infrarotfeuchtigkeitsmessgeraet. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5087817A (de) |
EP (1) | EP0453797B1 (de) |
CA (1) | CA2038704C (de) |
DE (2) | DE69120462T2 (de) |
FI (1) | FI911634A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5457319A (en) * | 1993-06-02 | 1995-10-10 | Alliedsignal Inc. | Process for measurement of the degree of cure and percent resin of glass-fiber reinforced epoxy resin prepreg |
EP0701690B1 (de) * | 1993-06-02 | 2001-08-29 | Isola Laminate Systems Corporation | Verfahren zur messung des härtungsgrades und des harzgehaltes eines mit glasfaser verstärktem epoxydharzprepregs |
DE4441350C1 (de) * | 1994-11-21 | 1996-06-13 | Bohle L B Pharmatech Gmbh | Infrarotspektroskopische Meßvorrichtung für einen mit einem Rührwerk ausgerüsteten Mischgranulator und Vakuumtrockner zur Messung der Feuchtigkeit des Mischguts |
IT1275684B1 (it) * | 1994-12-06 | 1997-10-17 | Electronics Systems S P A | Sistema e relativa apparecchiatura per la taratura di un sensore per la misurazione dell'umidita' di materiali in fogli nastri, o film |
DE19701904C2 (de) * | 1997-01-21 | 2002-02-14 | Michael Tummuscheit | Vorrichtung zur quantitativen Bestimmung der Oberflächenfeuchte mit Hilfe eines kombinierten Verfahrens |
US6024740A (en) * | 1997-07-08 | 2000-02-15 | The Regents Of The University Of California | Circumferential ablation device assembly |
US6986279B2 (en) * | 2000-08-22 | 2006-01-17 | Barnstead Thermolyne Corporation | Method and apparatus for determining liquid absorption of aggregate |
US6486475B1 (en) | 2000-08-22 | 2002-11-26 | Barnstead-Thermolyne Corporation | Method and apparatus for determining liquid absorption of aggregate |
JP2002245511A (ja) | 2001-02-15 | 2002-08-30 | Hitachi Ltd | 紙質識別方法 |
US20050127925A1 (en) * | 2003-12-10 | 2005-06-16 | Staples Peter E. | Moisture sensor |
US8148690B2 (en) | 2009-09-24 | 2012-04-03 | ABB, Ltd. | Method and apparatus for on-line web property measurement |
GB2533589A (en) | 2014-12-22 | 2016-06-29 | Ndc Infrared Eng Ltd | Measurement of porous film |
CN112189133B (zh) * | 2018-05-31 | 2023-04-18 | 株式会社Psm国际 | 长尺寸片材的质量测量方法及质量测量装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4027161A (en) * | 1976-04-05 | 1977-05-31 | Industrial Nucleonics Corporation | Minimizing wave interference effects on the measurement of thin films having specular surfaces using infrared radiation |
US4052615A (en) * | 1976-07-30 | 1977-10-04 | Industrial Nucleonics Corporation | Spherical cavity method and apparatus for measuring a sheet material property using infrared radiation |
DE2910673C2 (de) * | 1979-03-19 | 1985-08-08 | Paul Lippke Gmbh & Co Kg, 5450 Neuwied | Verfahren zum berührungslosen Messen des absoluten Gehaltes eines Stoffes(Beisubstanz) in einer die Form eines dünnen Filmes aufweisenden Mischung(Hauptsubstanz und Beisubstanz) mehrerer Stoffe, insbesondere zum Messen des absoluten Gehaltes von Wasser in Papier |
JPS6425038A (en) * | 1987-07-21 | 1989-01-27 | Yokogawa Electric Corp | Measuring device of physical amount of sheet-like porous material |
JPS6432153A (en) * | 1987-07-29 | 1989-02-02 | Yokogawa Electric Corp | Method and instrument for measuring characteristic of sheet type material |
CA1319273C (en) * | 1988-03-10 | 1993-06-22 | Steven Perry Sturm | Clay sensor |
-
1991
- 1991-03-20 CA CA002038704A patent/CA2038704C/en not_active Expired - Fee Related
- 1991-03-25 US US07/674,810 patent/US5087817A/en not_active Expired - Fee Related
- 1991-03-26 DE DE69120462T patent/DE69120462T2/de not_active Expired - Fee Related
- 1991-03-26 EP EP91104799A patent/EP0453797B1/de not_active Expired - Lifetime
- 1991-03-26 DE DE199191104799T patent/DE453797T1/de active Pending
- 1991-04-05 FI FI911634A patent/FI911634A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0453797A3 (en) | 1992-03-04 |
CA2038704A1 (en) | 1991-10-27 |
FI911634A (fi) | 1991-10-27 |
DE69120462T2 (de) | 1996-11-28 |
DE453797T1 (de) | 1992-02-27 |
EP0453797B1 (de) | 1996-06-26 |
US5087817A (en) | 1992-02-11 |
EP0453797A2 (de) | 1991-10-30 |
FI911634A0 (fi) | 1991-04-05 |
CA2038704C (en) | 1996-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |