CA1021401A - Systeme de controle de conductivite - Google Patents

Systeme de controle de conductivite

Info

Publication number
CA1021401A
CA1021401A CA228,484A CA228484A CA1021401A CA 1021401 A CA1021401 A CA 1021401A CA 228484 A CA228484 A CA 228484A CA 1021401 A CA1021401 A CA 1021401A
Authority
CA
Canada
Prior art keywords
monitoring system
conductivity monitoring
conductivity
monitoring
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
CA228,484A
Other languages
English (en)
Inventor
Wendell V. Ebling
Herbert Goldsmith
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.)
Baxter International Inc
Original Assignee
Baxter Travenol Laboratories 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 Baxter Travenol Laboratories Inc filed Critical Baxter Travenol Laboratories Inc
Application granted granted Critical
Publication of CA1021401A publication Critical patent/CA1021401A/fr
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
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
    • G01N27/10—Investigation or analysis specially adapted for controlling or monitoring operations or for signalling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
CA228,484A 1974-10-31 1975-06-04 Systeme de controle de conductivite Expired CA1021401A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51972974A 1974-10-31 1974-10-31
US05/547,320 US3953790A (en) 1974-10-31 1975-02-05 Conductivity monitoring system

Publications (1)

Publication Number Publication Date
CA1021401A true CA1021401A (fr) 1977-11-22

Family

ID=27059943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228,484A Expired CA1021401A (fr) 1974-10-31 1975-06-04 Systeme de controle de conductivite

Country Status (2)

Country Link
US (1) US3953790A (fr)
CA (1) CA1021401A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181880A (en) * 1978-03-22 1980-01-01 Teass Horace A Jr Linear ground conductivity measuring system
US4849098A (en) * 1988-04-07 1989-07-18 Anthony Wilcock Continuous water quality monitor
US5194814A (en) * 1991-05-22 1993-03-16 Tremetrics, Inc. Electrolytic conductivity detector
US6425997B1 (en) 2000-06-20 2002-07-30 William C. Johnson Process for removal of chloride ions from steel surfaces
US10155082B2 (en) * 2002-04-10 2018-12-18 Baxter International Inc. Enhanced signal detection for access disconnection systems
US7022098B2 (en) 2002-04-10 2006-04-04 Baxter International Inc. Access disconnection systems and methods
US20040254513A1 (en) 2002-04-10 2004-12-16 Sherwin Shang Conductive polymer materials and applications thereof including monitoring and providing effective therapy
US7052480B2 (en) 2002-04-10 2006-05-30 Baxter International Inc. Access disconnection systems and methods
WO2006027825A1 (fr) * 2004-09-06 2006-03-16 Innovative Design & Technology Inc. Systeme de circulation d'eau de refroidissement et procede de detartrage de celui-ci
JP2006138737A (ja) * 2004-11-12 2006-06-01 Fanuc Ltd 比抵抗検出器及び比抵抗検出装置
US8287724B2 (en) * 2007-07-05 2012-10-16 Baxter International Inc. Dialysis fluid measurement systems using conductive contacts
US20090007642A1 (en) * 2007-07-05 2009-01-08 Baxter International Inc. Dialysis fluid measurement method and apparatus using conductive contacts
US8114043B2 (en) 2008-07-25 2012-02-14 Baxter International Inc. Electromagnetic induction access disconnect sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086169A (en) * 1960-01-15 1963-04-16 Leeds & Northrup Co Systems for measuring electrolytic conductivity
US3488584A (en) * 1965-05-04 1970-01-06 Atomic Power Dev Ass Inc Method and apparatus for resistivity measurement of flowing high temperature liquid metals
US3493857A (en) * 1968-05-10 1970-02-03 Scientific Industries Analyzer using an operational amplifier and range selection means to vary the sensitivity thereof
US3515988A (en) * 1968-09-12 1970-06-02 Great Canadian Oil Sands Stream analyzer for oil-in-water emulsions with compensation for temperature changes and for water conductivity changes

Also Published As

Publication number Publication date
US3953790A (en) 1976-04-27

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