DE69308483T2 - Leitfähigkeitsmesswertaufnehmer - Google Patents

Leitfähigkeitsmesswertaufnehmer

Info

Publication number
DE69308483T2
DE69308483T2 DE69308483T DE69308483T DE69308483T2 DE 69308483 T2 DE69308483 T2 DE 69308483T2 DE 69308483 T DE69308483 T DE 69308483T DE 69308483 T DE69308483 T DE 69308483T DE 69308483 T2 DE69308483 T2 DE 69308483T2
Authority
DE
Germany
Prior art keywords
conductivity sensor
conductivity
sensor
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 - Fee Related
Application number
DE69308483T
Other languages
English (en)
Other versions
DE69308483D1 (de
Inventor
Vilambi Nrk Reddy
Bruce M Eliash
Frank Ludwig
Nguyet H Phan
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.)
Technic Inc
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DE69308483D1 publication Critical patent/DE69308483D1/de
Application granted granted Critical
Publication of DE69308483T2 publication Critical patent/DE69308483T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/07—Construction of measuring vessels; Electrodes therefor
    • 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

Landscapes

  • General Physics & Mathematics (AREA)
  • 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)
DE69308483T 1992-11-17 1993-11-16 Leitfähigkeitsmesswertaufnehmer Expired - Fee Related DE69308483T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/977,389 US5287060A (en) 1992-11-17 1992-11-17 In-tank conductivity sensor

Publications (2)

Publication Number Publication Date
DE69308483D1 DE69308483D1 (de) 1997-04-10
DE69308483T2 true DE69308483T2 (de) 1997-06-12

Family

ID=25525095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69308483T Expired - Fee Related DE69308483T2 (de) 1992-11-17 1993-11-16 Leitfähigkeitsmesswertaufnehmer

Country Status (4)

Country Link
US (1) US5287060A (de)
EP (1) EP0598381B1 (de)
JP (1) JPH06213847A (de)
DE (1) DE69308483T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5739692A (en) * 1995-11-08 1998-04-14 E. I. Du Pont De Nemours And Company Device for monitoring voltage and amperage on an article being passed through an electrocoating bath
US6264806B1 (en) 1999-10-07 2001-07-24 Technic Inc. Plating fluid replenishment system and method
US6573734B2 (en) 2001-05-08 2003-06-03 The Board Of Trustees Of The University Of Illinois Integrated thin film liquid conductivity sensor
US20030127334A1 (en) * 2002-01-08 2003-07-10 Applied Materials, Inc. Method for determining a concentration of conductive species in an aqueous system
US7372005B2 (en) * 2004-09-27 2008-05-13 Aos Holding Company Water storage device having a powered anode
WO2009029287A1 (en) * 2007-08-28 2009-03-05 Aos Holding Company Storage-type water heater having tank condition monitoring features
US10935896B2 (en) * 2016-07-25 2021-03-02 Applied Materials, Inc. Cleaning solution mixing system with ultra-dilute cleaning solution and method of operation thereof
JPWO2018110219A1 (ja) * 2016-12-12 2018-12-13 株式会社村田製作所 Ｅｃセンサおよびそれを用いた圃場管理システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2760152A (en) * 1953-08-19 1956-08-21 Ionics Indicator for the demineralization of water
FR1289161A (fr) * 1961-05-10 1962-03-30 Borg Warner Pince motorisée
US3376501A (en) * 1966-12-09 1968-04-02 Varian Associates Cell for determining the conductivity of liquids entrained in porous media
US3996509A (en) * 1975-08-12 1976-12-07 Aluminum Company Of America Conductivity dip cell
US4087743A (en) * 1976-07-21 1978-05-02 The United States Of America As Represented By The Secretary Of The Navy Fog-water conductivity measuring device
US4803869A (en) * 1987-05-22 1989-02-14 Board Of Trustees, University Of Illinois Flow-through analytical measurement apparatus and method
FR2633048B1 (fr) * 1988-06-15 1990-11-09 Technicatome Procede d'etalonnage automatique en ligne d'un capteur de mesure de la concentration d'une espece electrochimique dissoute en phase liquide
US4871427A (en) * 1988-06-24 1989-10-03 United States Of America As Represented By The Secretary Of The Air Force Ion detection using a differential resistance measurement of an ion exchange membrane

Also Published As

Publication number Publication date
EP0598381B1 (de) 1997-03-05
DE69308483D1 (de) 1997-04-10
JPH06213847A (ja) 1994-08-05
EP0598381A1 (de) 1994-05-25
US5287060A (en) 1994-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8327 Change in the person/name/address of the patent owner

Owner name: TECHNIC, INC., CRANSTON, R.I., US