GB1456177A - Apparatus for measuring the electrical conductivity of a liquid - Google Patents

Apparatus for measuring the electrical conductivity of a liquid

Info

Publication number
GB1456177A
GB1456177A GB1342175A GB1342175A GB1456177A GB 1456177 A GB1456177 A GB 1456177A GB 1342175 A GB1342175 A GB 1342175A GB 1342175 A GB1342175 A GB 1342175A GB 1456177 A GB1456177 A GB 1456177A
Authority
GB
United Kingdom
Prior art keywords
measuring
channels
liquid
induction
base
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
Application number
GB1342175A
Other languages
English (en)
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.)
Automobiles Citroen SA
Original Assignee
Automobiles Citroen SA
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 Automobiles Citroen SA filed Critical Automobiles Citroen SA
Publication of GB1456177A publication Critical patent/GB1456177A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/22—Measuring resistance of fluids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB1342175A 1974-04-05 1975-04-02 Apparatus for measuring the electrical conductivity of a liquid Expired GB1456177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412699A FR2266891B1 (https=) 1974-04-05 1974-04-05

Publications (1)

Publication Number Publication Date
GB1456177A true GB1456177A (en) 1976-11-17

Family

ID=9137524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1342175A Expired GB1456177A (en) 1974-04-05 1975-04-02 Apparatus for measuring the electrical conductivity of a liquid

Country Status (6)

Country Link
US (1) US3980946A (https=)
JP (1) JPS50142091A (https=)
DE (1) DE2514621A1 (https=)
FR (1) FR2266891B1 (https=)
GB (1) GB1456177A (https=)
IT (1) IT1032586B (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122759A (en) * 1982-06-17 1984-01-18 British Nuclear Fuels Ltd Probe for measuring conductivity of a fluid
GB2191293A (en) * 1986-05-30 1987-12-09 Cobe Lab Induction conductivity sensor
EP2623532A1 (de) 2012-01-31 2013-08-07 Technische Fachhochschule Wildau Polyurethan-Kompositwerkstoff und Verfahren zur Herstellung desselben

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123701A (en) * 1976-07-01 1978-10-31 United States Surgical Corporation Disposable sample card having a well with electrodes for testing a liquid sample
US4740755A (en) * 1986-05-30 1988-04-26 Cobe Laboratories, Inc. Remote conductivity sensor having transformer coupling in fluid flow path
US5439467A (en) * 1991-12-03 1995-08-08 Vesica Medical, Inc. Suture passer
US5644240A (en) 1992-09-30 1997-07-01 Cobe Laboratories, Inc. Differential conductivity hemodynamic monitor
DE69319685T2 (de) * 1992-09-30 1998-11-12 Cobe Lab Differentialleitungsfähigkeitsrückströmungsmonitor
US5631552A (en) * 1992-09-30 1997-05-20 Cobe Laboratories, Inc. Hemodynamic monitor for detecting air bubbles
US5591344A (en) * 1995-02-13 1997-01-07 Aksys, Ltd. Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof
US5959455A (en) * 1997-10-06 1999-09-28 Falmouth Scientific, Inc. Fluid conductively sensor
US6189388B1 (en) 1997-11-12 2001-02-20 Gambro, Inc. Access flow monitoring using reversal of normal blood flow
US6726647B1 (en) 1998-10-23 2004-04-27 Gambro Ab Method and device for measuring access flow
FR2836831B1 (fr) * 2002-03-07 2004-06-25 Centre Nat Rech Scient Combinaison chimiotherapie et antisens de la dna demethylase
EP1930035A1 (en) 2003-01-28 2008-06-11 Gambro Lundia AB Apparatus for monitoring a vascular access
EP1691862A1 (en) 2003-11-20 2006-08-23 Gambro Lundia AB Method, apparatus and software program for measurement of a parameter relating to a heart-lung system of a mammal.
EP1691885B1 (en) * 2003-12-11 2014-04-02 Gambro Lundia AB Switching device and apparatus for controlling flow of a fluid
US7078909B2 (en) * 2003-12-12 2006-07-18 Rosemount Analytical Inc. Flow-through conductivity sensor
US7744553B2 (en) 2003-12-16 2010-06-29 Baxter International Inc. Medical fluid therapy flow control systems and methods
DE602005023356D1 (de) * 2005-05-18 2010-10-14 Gambro Lundia Ab Vorrichtung zur steuerung des blutflusses in einem extrakorporalen kreislauf
US9410910B1 (en) 2013-05-23 2016-08-09 D-2 Inc. Hybrid conductivity sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607223A (en) * 1947-08-28 1952-08-19 Bristol Company Apparatus for measuring rate of fluid flow
BE626240A (https=) * 1961-12-19 1900-01-01
US3396331A (en) * 1965-08-19 1968-08-06 Beckman Instruments Inc Method of and apparatus for measuring the electrical conductivity of a solution

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122759A (en) * 1982-06-17 1984-01-18 British Nuclear Fuels Ltd Probe for measuring conductivity of a fluid
GB2191293A (en) * 1986-05-30 1987-12-09 Cobe Lab Induction conductivity sensor
GB2191293B (en) * 1986-05-30 1990-10-17 Cobe Lab Remote conductivity sensor
EP2623532A1 (de) 2012-01-31 2013-08-07 Technische Fachhochschule Wildau Polyurethan-Kompositwerkstoff und Verfahren zur Herstellung desselben

Also Published As

Publication number Publication date
DE2514621A1 (de) 1975-10-09
US3980946A (en) 1976-09-14
IT1032586B (it) 1979-06-20
FR2266891A1 (https=) 1975-10-31
FR2266891B1 (https=) 1978-11-17
JPS50142091A (https=) 1975-11-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee