JPH0641140Y2 - 液体レベル感知装置 - Google Patents

液体レベル感知装置

Info

Publication number
JPH0641140Y2
JPH0641140Y2 JP1989600010U JP60001088U JPH0641140Y2 JP H0641140 Y2 JPH0641140 Y2 JP H0641140Y2 JP 1989600010 U JP1989600010 U JP 1989600010U JP 60001088 U JP60001088 U JP 60001088U JP H0641140 Y2 JPH0641140 Y2 JP H0641140Y2
Authority
JP
Japan
Prior art keywords
output
frequency
probe
oscillator
liquid
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
JP1989600010U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02500020U (enExample
Inventor
ポール ザ セカンド ラブリオラ、ドナルド
Original Assignee
ベックマン インスツルメンツ インコーポレーテッド
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 ベックマン インスツルメンツ インコーポレーテッド filed Critical ベックマン インスツルメンツ インコーポレーテッド
Publication of JPH02500020U publication Critical patent/JPH02500020U/ja
Application granted granted Critical
Publication of JPH0641140Y2 publication Critical patent/JPH0641140Y2/ja
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
    • 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
    • G01F23/26—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
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Level Indicators Using A Float (AREA)
JP1989600010U 1987-06-26 1988-06-09 液体レベル感知装置 Expired - Lifetime JPH0641140Y2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67,183 1987-06-26
US07/067,183 US4912976A (en) 1987-06-26 1987-06-26 Liquid level sensing apparatus
PCT/US1988/001987 WO1988010412A1 (en) 1987-06-26 1988-06-09 Liquid level sensing apparatus

Publications (2)

Publication Number Publication Date
JPH02500020U JPH02500020U (enExample) 1990-04-26
JPH0641140Y2 true JPH0641140Y2 (ja) 1994-10-26

Family

ID=22074259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989600010U Expired - Lifetime JPH0641140Y2 (ja) 1987-06-26 1988-06-09 液体レベル感知装置

Country Status (7)

Country Link
US (1) US4912976A (enExample)
EP (1) EP0319573B1 (enExample)
JP (1) JPH0641140Y2 (enExample)
AU (1) AU598693B2 (enExample)
DE (1) DE3871738T2 (enExample)
ES (1) ES2009298A6 (enExample)
WO (1) WO1988010412A1 (enExample)

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DE4203638A1 (de) * 1992-02-08 1993-08-12 Boehringer Mannheim Gmbh Fluessigkeitstransfereinrichtung fuer ein analysegeraet
AU670449B2 (en) * 1992-06-08 1996-07-18 Behring Diagnostics Inc. Liquid dispensing system
US5365783A (en) * 1993-04-30 1994-11-22 Packard Instrument Company, Inc. Capacitive sensing system and technique
US5493922A (en) * 1993-07-09 1996-02-27 Akzo N.V. Liquid level sensing probe and control circuit
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US5416448A (en) * 1993-08-18 1995-05-16 Sandia Corporation Oscillator circuit for use with high loss quartz resonator sensors
US5602333A (en) * 1994-06-17 1997-02-11 Smiths Industries Apparatus for measuring the level of a liquid in a tank
DE69525570T2 (de) * 1994-07-28 2002-08-22 Hitachi, Ltd. Probensammler für flüssige Proben
NL9500217A (nl) * 1995-02-06 1996-09-02 Meridian Instr Bv Capacitieve meetinrichting.
US6378435B1 (en) * 1995-04-03 2002-04-30 General Dynamics Decision Systems, Inc. Variable target transition detection capability and method therefor
US5623252A (en) * 1995-05-22 1997-04-22 Cacciola; John A. Liquid level detector using audio frequencies
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DE69835795T2 (de) 1997-11-19 2007-09-13 Grifols, S.A. Vorrichtung zur automatischen Durchführung von Laboratoriumprüfungen
ES2132034B1 (es) * 1997-11-19 2000-03-01 Grifols Grupo Sa Dispositivo para la manipulacion y deteccion de nivel de liquidos.
DE19919305A1 (de) 1999-04-28 2000-11-02 Roche Diagnostics Gmbh Verfahren und Vorrichtung zum Flüssigkeitstransfer mit einem Analysegerät
JP4497637B2 (ja) * 1999-11-01 2010-07-07 株式会社ノーケン 静電容量式検知装置
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US6581461B1 (en) 2000-05-25 2003-06-24 Trn Business Trust Electro-optic sensor for levelmeter providing output signal with frequency modulated by surface level
US6762679B1 (en) 2000-11-06 2004-07-13 Trn Business Trust Remote monitoring adapter for levelmeter
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US6606906B2 (en) 2001-09-06 2003-08-19 Trn Business Trust Digital conversion adapter for magnetically coupled level meters
US6736006B2 (en) 2001-12-31 2004-05-18 Trn Business Trust Level detector for a material in a container
FR2838824B1 (fr) * 2002-04-19 2005-02-04 Sogem Fl Procede et dispositif pour reguler automatiquement une quantite de produit deposee de maniere repetitive par un actionneur de depose, et l'installation de depose equipee d'un tel dispositif
US6938478B2 (en) 2002-11-14 2005-09-06 Herman Diaz Arias Impedance level meter for liquids in tanks
US20040093939A1 (en) * 2002-11-14 2004-05-20 Arias Herman Diaz Non-contact level detector for fluids in a container
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
US8602744B2 (en) * 2005-03-25 2013-12-10 Diversitech Corporation Condensate pump
US8651824B2 (en) * 2005-03-25 2014-02-18 Diversitech Corporation Condensate pump
US7814788B2 (en) * 2006-10-20 2010-10-19 Abbott Laboratories, Inc. Liquid level sensor
CN101858770B (zh) * 2009-04-09 2013-04-24 深圳迈瑞生物医疗电子股份有限公司 液面检测装置及加样系统
US8225654B2 (en) * 2009-07-01 2012-07-24 Tecan Trading Ag Self-compensating capacitive liquid level detector
CH702180B1 (de) * 2009-11-02 2015-02-13 Tecan Trading Ag Verfahren zum Testen eines Laborgeräts und entsprechendes Laborgerät.
CN103675303B (zh) 2010-07-23 2016-02-03 贝克曼考尔特公司 传感器系统
US9907908B2 (en) 2011-03-08 2018-03-06 Baxter International Inc. Non-invasive radio frequency medical fluid level and volume detection system and method
US20120291811A1 (en) * 2011-05-20 2012-11-22 Dabney James H Feeding Tube Cleaning Devices and Methods
US9529009B2 (en) 2011-06-06 2016-12-27 Hitachi High-Technologies Corporation Automatic analyzer
US9261395B2 (en) 2012-02-13 2016-02-16 Goodrich Corporation Liquid level sensing system
US9574928B2 (en) 2012-02-13 2017-02-21 Goodrich Corporation Liquid level sensing systems
JP2015087329A (ja) * 2013-10-31 2015-05-07 シスメックス株式会社 吸引部の位置調整方法及び検体処理装置
WO2017223214A1 (en) * 2016-06-22 2017-12-28 Abbott Laboratories Liquid level sensing apparatus and related methods
EP3593097B1 (en) * 2017-03-09 2022-10-19 King Abdullah University Of Science And Technology Fluid characteristic sensor system and method
US11069678B2 (en) * 2017-08-29 2021-07-20 Qorvo Us, Inc. Logic gate cell structure
CN114532700A (zh) * 2018-06-22 2022-05-27 必胜公司 表面清洁装置
WO2023288032A1 (en) 2021-07-15 2023-01-19 Beckman Coulter, Inc. Fluid handling systems with function checks
CN113959523B (zh) * 2021-09-22 2024-12-13 青岛海尔生物医疗科技有限公司 用于培养设备的液位检测装置及方法、培养设备及介质
EP4430409A1 (en) 2021-11-09 2024-09-18 Beckman Coulter, Inc. Automated pipette tip organizing for fluid handling systems
US11988540B2 (en) * 2022-08-15 2024-05-21 Instrumentation Laboratory Co. Liquid level detection based on tunable inductive-capacitive tank circuit

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Also Published As

Publication number Publication date
JPH02500020U (enExample) 1990-04-26
US4912976A (en) 1990-04-03
EP0319573A1 (en) 1989-06-14
DE3871738T2 (de) 1992-12-10
WO1988010412A1 (en) 1988-12-29
DE3871738D1 (de) 1992-07-09
AU598693B2 (en) 1990-06-28
EP0319573B1 (en) 1992-06-03
ES2009298A6 (es) 1989-09-16
AU2132688A (en) 1989-01-19

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