FI108259B - Refraktometer - Google Patents

Refraktometer Download PDF

Info

Publication number
FI108259B
FI108259B FI980221A FI980221A FI108259B FI 108259 B FI108259 B FI 108259B FI 980221 A FI980221 A FI 980221A FI 980221 A FI980221 A FI 980221A FI 108259 B FI108259 B FI 108259B
Authority
FI
Finland
Prior art keywords
refractometer
frame structure
optical window
analyzer module
solution
Prior art date
Application number
FI980221A
Other languages
English (en)
Finnish (fi)
Other versions
FI980221A0 (fi
FI980221A (sv
Inventor
Harri Salo
Original Assignee
Janesko Oy
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 Janesko Oy filed Critical Janesko Oy
Priority to FI980221A priority Critical patent/FI108259B/sv
Publication of FI980221A0 publication Critical patent/FI980221A0/fi
Priority to DE19855218A priority patent/DE19855218C2/de
Priority to US09/206,371 priority patent/US6067151A/en
Priority to JP01794999A priority patent/JP3301737B2/ja
Publication of FI980221A publication Critical patent/FI980221A/sv
Application granted granted Critical
Publication of FI108259B publication Critical patent/FI108259B/sv

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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle

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  • Physics & Mathematics (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)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Claims (5)

1. Refraktometer omfattande en ljuskälla (1) anordnad i en ram-struktur, ett optiskt fönster (2) som skall placeras i en processlösning (3), don 5 för styming av ett strälknippe frän ljuskällan till gränsytan mellan det optiska fönstret (2) och processlösningen (3), varvid en del av strälknippet delvis ab-sorberas i lösningen (3) och en del reflekteras helt och hället fran lösningen (3) och alstrar därigenom en bild (K), där platsen för det ljusa (A) och mörka om-radets (B) gräns (C) beror pä processlösningens (3) brytningsfaktor, samt en 10 bilddetektor (4), med vilken den pä ovan nämnda sätt alstrade bilden (K) be-traktas, kännetecknad avatt ljuskällan (1), det optiska fönstret (2), do-nen för styming strälknippet och bilddetektorn (4) är anordnade i en styv ana-lysatormodul (5), vilken är anordnad flytande pä en väsentligen oelastisk tät-ning (6) anordnad mellan ramstrukturen och det optiska fönstret (2) inuti ram-15 strukturen genom att analysatormodulen (5) kläms mot tätningen (6) med hjälp av fjäderorgan (7).
2. Refraktometer enligt patentkrav 1, kännetecknad av att ramstrukturen bestär av en spetsdel (8a) och en omslagsdel (8b) och att en värmeisolering (9) är anordnad mellan spetsdelen (8a) och omslagsdelen (8b).
3. Refraktometer enligt patentkrav 1, kännetecknad av att i analysatormodulen (5) är en styv isoleringsdel (10) anordnad, vilken förhindrar värmeledning.
4. Refraktometer enligt patentkrav 2 eller 3, kännetecknad av att mellan analysatormodulen (5) och omslagsdelen (8b) är en värmeledare V 25 (11) anordnad.
5. Refraktometer enligt patentkrav 4, kännetecknad av att värmeledaren (11) är en elastisk del i analysatormodulens (5) axialriktning. • « «
FI980221A 1998-01-30 1998-01-30 Refraktometer FI108259B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI980221A FI108259B (sv) 1998-01-30 1998-01-30 Refraktometer
DE19855218A DE19855218C2 (de) 1998-01-30 1998-11-30 Refraktometer
US09/206,371 US6067151A (en) 1998-01-30 1998-12-07 Refractometer
JP01794999A JP3301737B2 (ja) 1998-01-30 1999-01-27 屈折計

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI980221 1998-01-30
FI980221A FI108259B (sv) 1998-01-30 1998-01-30 Refraktometer

Publications (3)

Publication Number Publication Date
FI980221A0 FI980221A0 (fi) 1998-01-30
FI980221A FI980221A (sv) 1999-07-31
FI108259B true FI108259B (sv) 2001-12-14

Family

ID=8550646

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980221A FI108259B (sv) 1998-01-30 1998-01-30 Refraktometer

Country Status (4)

Country Link
US (1) US6067151A (sv)
JP (1) JP3301737B2 (sv)
DE (1) DE19855218C2 (sv)
FI (1) FI108259B (sv)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6631442B1 (en) 1999-06-29 2003-10-07 Emc Corp Methods and apparatus for interfacing to a data storage system
FI113566B (sv) 2000-08-01 2004-05-14 Janesko Oy Refraktometer
US6486944B1 (en) * 2001-06-08 2002-11-26 Leica Microsystems Inc. Fluid-sealed refractometer having data transmission means
JP2004150923A (ja) * 2002-10-30 2004-05-27 Atago:Kk 屈折計
US7221440B2 (en) * 2004-07-22 2007-05-22 Eastman Kodak Company System and method for controlling ink concentration using a refractometer
US7375813B2 (en) * 2004-10-21 2008-05-20 Eastman Kodak Company Method and system for diffusion attenuated total reflection based concentration sensing
WO2006086682A2 (en) * 2005-02-11 2006-08-17 Swagelok Company Fluid concentration sensing arrangement
US7448102B2 (en) * 2005-05-20 2008-11-11 Tubular Textile Machinery, Inc. Method for controlling mixtures especially for fabric processing
DE102007050731B3 (de) * 2007-10-22 2009-01-08 Flexim Flexible Industriemesstechnik Gmbh Durchlicht-Refraktometer
US20100107344A1 (en) * 2008-10-31 2010-05-06 Milligan William D Apparatus for processing fabric
RU2442142C2 (ru) * 2009-08-27 2012-02-10 Валерий Николаевич Конопский Способ измерения показателя преломления и устройство для его осуществления
FI124114B (sv) * 2009-09-29 2014-03-31 Janesko Oy Mätfönsterkonstruktion
US20110168876A1 (en) * 2010-01-14 2011-07-14 Hsiung Hsiao Optical module and system for liquid sample
US8528399B2 (en) 2010-05-21 2013-09-10 The Mercury Iron and Steel Co. Methods and apparatuses for measuring properties of a substance in a process stream
JP5751532B2 (ja) * 2012-07-27 2015-07-22 株式会社タツノ 油種判別装置
FI127243B (sv) * 2014-05-13 2018-02-15 Janesko Oy Förfarande och mätanordning för kontinuerlig mätning av Abbetal
FI128037B (sv) 2015-06-29 2019-08-15 Janesko Oy Arrangemang i samband med en refraktometers mätfönster samt refraktometer
IT201800004247A1 (it) * 2018-04-05 2019-10-05 Dispositivo sensore ottico per sostanze fluide
US11573109B2 (en) 2018-12-26 2023-02-07 Houghton Technical Corp. Measurement of fluid parameters
TWI774152B (zh) * 2019-12-20 2022-08-11 美商恩特葛瑞斯股份有限公司 接近界面之流體之準確溫度讀取
AT524268B1 (de) 2020-09-30 2023-01-15 Anton Paar Gmbh Verfahren zur Bestimmung des Grenzwinkels der Totalreflexion in einer flüssigen Probe
FI20206374A1 (sv) * 2020-12-28 2022-06-29 Kxs Tech Oy Refraktometer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749274A (en) * 1986-01-24 1988-06-07 Toyota Jidosha Kabushiki Kaisha Apparatus for detecting fuel mixture ratio
EP0281337B1 (en) * 1987-02-26 1993-07-21 NGK Spark Plug Co. Ltd. A detector device for mixing ratio for petrol and alcohol or the like
DE3881278T2 (de) * 1987-04-17 1993-09-09 Ngk Spark Plug Co Geraet zur feststellung des mischungsverhaeltnisses von benzin und einem alkohol oder entsprechendem.
DE3831346A1 (de) * 1988-09-15 1990-04-05 Zeiss Carl Fa Refraktometer mit brechzahlabhaengiger aperturteilung
US4962746A (en) * 1988-11-23 1990-10-16 Ngk Spark Plug Co., Ltd. Mixing liquid ratio detector device
JPH03186733A (ja) * 1989-12-15 1991-08-14 Ngk Spark Plug Co Ltd 被測定液体の混合割合検出器
KR940002500B1 (ko) * 1990-02-08 1994-03-25 미쯔비시덴끼 가부시끼가이샤 알콜 함유율 검지장치
JPH06160277A (ja) * 1992-09-16 1994-06-07 Nippondenso Co Ltd 液体性状検出装置

Also Published As

Publication number Publication date
DE19855218A1 (de) 1999-08-19
JPH11271224A (ja) 1999-10-05
FI980221A0 (fi) 1998-01-30
DE19855218C2 (de) 2001-02-01
US6067151A (en) 2000-05-23
JP3301737B2 (ja) 2002-07-15
FI980221A (sv) 1999-07-31

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