DE60224797D1 - Automatischer handrefraktometer - Google Patents

Automatischer handrefraktometer

Info

Publication number
DE60224797D1
DE60224797D1 DE60224797T DE60224797T DE60224797D1 DE 60224797 D1 DE60224797 D1 DE 60224797D1 DE 60224797 T DE60224797 T DE 60224797T DE 60224797 T DE60224797 T DE 60224797T DE 60224797 D1 DE60224797 D1 DE 60224797D1
Authority
DE
Germany
Prior art keywords
reactometer
automatic hand
automatic
hand
hand reactometer
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 - Lifetime
Application number
DE60224797T
Other languages
English (en)
Other versions
DE60224797T2 (de
Inventor
Keshav D Sharma
Kyle R Bleyle
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.)
Reichert Inc
Original Assignee
Reichert Inc
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 Reichert Inc filed Critical Reichert Inc
Application granted granted Critical
Publication of DE60224797D1 publication Critical patent/DE60224797D1/de
Publication of DE60224797T2 publication Critical patent/DE60224797T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N33/02—Food
    • G01N33/14—Beverages
    • G01N33/143—Beverages containing sugar
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/022—Casings
    • G01N2201/0221—Portable; cableless; compact; hand-held
    • 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
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/30—Oils, i.e. hydrocarbon liquids for lubricating properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE60224797T 2001-04-26 2002-04-23 Automatischer handrefraktometer Expired - Lifetime DE60224797T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/842,463 US6816248B2 (en) 2001-04-26 2001-04-26 Hand-held automatic refractometer
US842463 2001-04-26
PCT/US2002/012807 WO2002088663A2 (en) 2001-04-26 2002-04-23 Hand-held automatic refractometer

Publications (2)

Publication Number Publication Date
DE60224797D1 true DE60224797D1 (de) 2008-03-13
DE60224797T2 DE60224797T2 (de) 2009-01-22

Family

ID=25287364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60224797T Expired - Lifetime DE60224797T2 (de) 2001-04-26 2002-04-23 Automatischer handrefraktometer

Country Status (7)

Country Link
US (1) US6816248B2 (de)
EP (1) EP1388004B1 (de)
JP (1) JP3881960B2 (de)
CN (1) CN1241010C (de)
AU (1) AU2002256329A1 (de)
DE (1) DE60224797T2 (de)
WO (1) WO2002088663A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004150923A (ja) * 2002-10-30 2004-05-27 Atago:Kk 屈折計
US20070207554A1 (en) * 2004-02-26 2007-09-06 Lin Alex C C Medical System and Method for Determining Parameters
US20060191571A1 (en) * 2005-02-11 2006-08-31 Kattler David R Fluid concentration sensing arrangement
CN100445730C (zh) * 2005-12-19 2008-12-24 江西本草天工科技有限责任公司 中药的柱分离洗脱液洗脱起始点或终点的快速监控方法
US20090323073A1 (en) * 2008-06-30 2009-12-31 Reichert, Inc. Analytical Instrument Having Internal Reference Channel
CN102946792B (zh) * 2010-06-03 2016-05-18 皇家飞利浦电子股份有限公司 用于使用折射测量法估测胆红素浓度的装置和方法
CN102158625A (zh) * 2011-03-02 2011-08-17 朱杰 便携式扫描装置和处理方法
JP2014130030A (ja) * 2012-12-28 2014-07-10 Omega:Kk 液体の性状の評価方法
RU2563543C2 (ru) * 2014-01-31 2015-09-20 Акционерное общество "Швабе - Технологическая лаборатория" (АО "Швабе-Технологическая лаборатория") Способ и устройство измерения показателя преломления
US9869227B2 (en) 2015-05-26 2018-01-16 Intellectual Reserves, LLC System and method for repeatable fluid measurements
FI128037B (fi) 2015-06-29 2019-08-15 Janesko Oy Sovitelma refraktometrin mittaikkunan yhteydessä ja refraktometri
US10078048B2 (en) 2016-01-27 2018-09-18 Corning Incorporated Refractometer assemblies, methods of calibrating the same, and methods of determining unknown refractive indices using the same
EP3963310A1 (de) 2019-04-30 2022-03-09 Blaser Swisslube AG Verfahren und vorrichtung zum analysieren einer flüssigkeit
US20220091031A1 (en) * 2020-09-18 2022-03-24 Salvus, Llc Interferometric Detection and Quantification System and Methods of Use in Chemical Processing
WO2024074603A1 (de) 2022-10-06 2024-04-11 Liquidtool Systems Ag Sensorblock für die analyse einer flüssigkeit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58178227A (ja) * 1982-04-14 1983-10-19 Hitachi Ltd 多波長分光測光装置
US4640616A (en) * 1984-12-06 1987-02-03 The Cambridge Instrument Company Plc Automatic refractometer
JPS61159137A (ja) * 1984-12-30 1986-07-18 Susumu Nakagawa 濃度計
JP2520001Y2 (ja) * 1990-07-06 1996-12-11 有限会社若島光学計器製作所 自動車保守用の液体濃度測定計
JPH05119159A (ja) * 1991-10-23 1993-05-18 Canon Inc インク検出装置、インクタンク、ヘツドカートリツジおよびインクジエツト記録装置
FI933830A0 (fi) * 1993-09-01 1993-09-01 Janesko Oy Foerfarande vid refraktometermaetning
JPH10123048A (ja) * 1996-10-01 1998-05-15 Texas Instr Inc <Ti> 集積化されたセンサおよび生化学的サンプルを検出する方法
US6034762A (en) * 1998-06-15 2000-03-07 Leica Microsystems Inc. Brake check handheld refractometer
JP2000105195A (ja) * 1998-09-29 2000-04-11 Tokico Ltd 濃度検出装置
EP1047929B1 (de) * 1998-11-13 2007-07-04 Reichert, Inc. Verfahren für qualitative und quantitative messungen
US6042232A (en) * 1999-01-21 2000-03-28 Leica Microsystems Inc. Automatic optometer evaluation method using data over a wide range of focusing positions
US6172746B1 (en) 1999-10-27 2001-01-09 Leica Microsystems Inc. Transmitted light refractometer
JP4372314B2 (ja) * 2000-06-21 2009-11-25 大塚電子株式会社 スペクトル測定装置
US6396576B1 (en) * 2001-02-27 2002-05-28 Leica Microsystems Inc. Method for determining shadowline location on a photosensitive array and critical angle refractometer employing the method

Also Published As

Publication number Publication date
CN1241010C (zh) 2006-02-08
EP1388004A2 (de) 2004-02-11
JP2004527753A (ja) 2004-09-09
EP1388004B1 (de) 2008-01-23
AU2002256329A1 (en) 2002-11-11
US20020159050A1 (en) 2002-10-31
DE60224797T2 (de) 2009-01-22
CN1531647A (zh) 2004-09-22
WO2002088663A2 (en) 2002-11-07
WO2002088663A3 (en) 2002-12-27
JP3881960B2 (ja) 2007-02-14
US6816248B2 (en) 2004-11-09

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Legal Events

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