SE9603379D0 - Anordning för att detektera när en mätsond kommer i kontakt med en vätskeyta - Google Patents

Anordning för att detektera när en mätsond kommer i kontakt med en vätskeyta

Info

Publication number
SE9603379D0
SE9603379D0 SE9603379A SE9603379A SE9603379D0 SE 9603379 D0 SE9603379 D0 SE 9603379D0 SE 9603379 A SE9603379 A SE 9603379A SE 9603379 A SE9603379 A SE 9603379A SE 9603379 D0 SE9603379 D0 SE 9603379D0
Authority
SE
Sweden
Prior art keywords
test probe
voltage source
alternating voltage
multiplicator
input
Prior art date
Application number
SE9603379A
Other languages
English (en)
Swedish (sv)
Inventor
Arne Ljung
Juhan Kivineeme
Original Assignee
Pharmacia & Upjohn Ab
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 Pharmacia & Upjohn Ab filed Critical Pharmacia & Upjohn Ab
Priority to SE9603379A priority Critical patent/SE9603379D0/xx
Publication of SE9603379D0 publication Critical patent/SE9603379D0/xx
Priority to PCT/SE1997/001547 priority patent/WO1998012513A1/en
Priority to US09/242,518 priority patent/US6328934B1/en
Priority to ES97943251T priority patent/ES2296314T3/es
Priority to DE69738268T priority patent/DE69738268T2/de
Priority to JP51457398A priority patent/JP3858084B2/ja
Priority to EP97943251A priority patent/EP0927339B1/en
Priority to AT97943251T priority patent/ATE377747T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits
    • G01F23/244—Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/266—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N2035/1025—Fluid level sensing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Road Signs Or Road Markings (AREA)
SE9603379A 1996-09-17 1996-09-17 Anordning för att detektera när en mätsond kommer i kontakt med en vätskeyta SE9603379D0 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9603379A SE9603379D0 (sv) 1996-09-17 1996-09-17 Anordning för att detektera när en mätsond kommer i kontakt med en vätskeyta
PCT/SE1997/001547 WO1998012513A1 (en) 1996-09-17 1997-09-15 Device for detection of when a test probe gets into contact with a liquid surface
US09/242,518 US6328934B1 (en) 1996-09-17 1997-09-15 Device for detection of when a test probe gets into contact with a liquid surface
ES97943251T ES2296314T3 (es) 1996-09-17 1997-09-15 Dispositivo para la deteccion de cuando una sonda de ensayo entra en contacto con una superficie de liquido.
DE69738268T DE69738268T2 (de) 1996-09-17 1997-09-15 Vorrichtung des bedeckungszeitpunkt einer testprobe durch flüssigkeitsoberfläche
JP51457398A JP3858084B2 (ja) 1996-09-17 1997-09-15 テスト探針の液面接触時期検出装置
EP97943251A EP0927339B1 (en) 1996-09-17 1997-09-15 Device for detection of when a test probe gets into contact with a liquid surface
AT97943251T ATE377747T1 (de) 1996-09-17 1997-09-15 Vorrichtung des bedeckungszeitpunkt einer testprobe durch flüssigkeitsoberfläche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9603379A SE9603379D0 (sv) 1996-09-17 1996-09-17 Anordning för att detektera när en mätsond kommer i kontakt med en vätskeyta

Publications (1)

Publication Number Publication Date
SE9603379D0 true SE9603379D0 (sv) 1996-09-17

Family

ID=20403909

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9603379A SE9603379D0 (sv) 1996-09-17 1996-09-17 Anordning för att detektera när en mätsond kommer i kontakt med en vätskeyta

Country Status (8)

Country Link
US (1) US6328934B1 (ja)
EP (1) EP0927339B1 (ja)
JP (1) JP3858084B2 (ja)
AT (1) ATE377747T1 (ja)
DE (1) DE69738268T2 (ja)
ES (1) ES2296314T3 (ja)
SE (1) SE9603379D0 (ja)
WO (1) WO1998012513A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0990907A1 (de) * 1998-09-30 2000-04-05 F. Hoffmann-La Roche Ag Vorrichtung zur Positionierung einer Pipettiernadel
DE19919305A1 (de) * 1999-04-28 2000-11-02 Roche Diagnostics Gmbh Verfahren und Vorrichtung zum Flüssigkeitstransfer mit einem Analysegerät
ATA17362002A (de) * 2002-11-19 2005-08-15 Biomechanik Und Biomedizintech Verfahren und vorrichtung zur detektion einer flüssigkeitsoberfläche
US7191647B2 (en) * 2003-10-30 2007-03-20 Perkinelmer Las, Inc. Method and apparatus to reject electrical interference in a capacitive liquid level sensor system
US8211386B2 (en) 2004-06-08 2012-07-03 Biokit, S.A. Tapered cuvette and method of collecting magnetic particles
JP4980671B2 (ja) * 2006-08-18 2012-07-18 シスメックス株式会社 血液試料分析装置
ES2835704T3 (es) * 2011-12-23 2021-06-23 Hoffmann La Roche Procedimiento y sistema para distinguir líquido a granel de espuma y de residuos del líquido a granel
EP2741087B1 (en) * 2012-12-04 2019-10-02 F. Hoffmann-La Roche AG Method and system for fluid surface detection
AU2014232882B2 (en) 2013-03-15 2018-03-22 Hycor Biomedical, Inc. Automated immunoanalyzer system for performing diagnostic assays for allergies and autoimmune diseases
US10240966B2 (en) 2013-07-12 2019-03-26 Siemens Healthcare Diagnostics Inc. Fluid level detection system and method
DE102020200866A1 (de) 2020-01-24 2021-07-29 Vega Grieshaber Kg Füllstandmesssonde zur gleichzeitigen kapazitiven und konduktiven Füllstandmessung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010650A (en) * 1974-12-26 1977-03-08 Ford Motor Company Apparatus for generating an electrical signal indicative of liquid level
DE3878973D1 (de) 1987-04-24 1993-04-15 Simmonds Precision Products Bestimmung von elektrischer kapazitaet und elektrischem widerstand.
DE3812687A1 (de) 1988-04-16 1989-10-26 Duerrwaechter E Dr Doduco Kapazitiver sensor zum bestimmen des niveaus einer fluessigkeit in einem behaelter
DE4203638A1 (de) * 1992-02-08 1993-08-12 Boehringer Mannheim Gmbh Fluessigkeitstransfereinrichtung fuer ein analysegeraet
US5512838A (en) * 1992-09-03 1996-04-30 Hewlett-Packard Company Probe with reduced input capacitance

Also Published As

Publication number Publication date
ATE377747T1 (de) 2007-11-15
US6328934B1 (en) 2001-12-11
EP0927339A1 (en) 1999-07-07
EP0927339B1 (en) 2007-11-07
JP2001500620A (ja) 2001-01-16
WO1998012513A1 (en) 1998-03-26
DE69738268T2 (de) 2008-08-28
DE69738268D1 (de) 2007-12-20
ES2296314T3 (es) 2008-04-16
JP3858084B2 (ja) 2006-12-13

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