ATE130434T1 - Steuerung für den vorspannungsstrom bei potentiometrischen messungen. - Google Patents

Steuerung für den vorspannungsstrom bei potentiometrischen messungen.

Info

Publication number
ATE130434T1
ATE130434T1 AT90305205T AT90305205T ATE130434T1 AT E130434 T1 ATE130434 T1 AT E130434T1 AT 90305205 T AT90305205 T AT 90305205T AT 90305205 T AT90305205 T AT 90305205T AT E130434 T1 ATE130434 T1 AT E130434T1
Authority
AT
Austria
Prior art keywords
bias current
potentiometric sensor
turn
switch device
potential
Prior art date
Application number
AT90305205T
Other languages
English (en)
Inventor
Charles B Mckee
Original Assignee
In Situ 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 In Situ Inc filed Critical In Situ Inc
Application granted granted Critical
Publication of ATE130434T1 publication Critical patent/ATE130434T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/4166Systems measuring a particular property of an electrolyte

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Relay Circuits (AREA)
  • Measuring Fluid Pressure (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
AT90305205T 1989-05-16 1990-05-15 Steuerung für den vorspannungsstrom bei potentiometrischen messungen. ATE130434T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/352,770 US4998068A (en) 1989-05-16 1989-05-16 Bias current control for providing accurate potentiometric measurements

Publications (1)

Publication Number Publication Date
ATE130434T1 true ATE130434T1 (de) 1995-12-15

Family

ID=23386429

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90305205T ATE130434T1 (de) 1989-05-16 1990-05-15 Steuerung für den vorspannungsstrom bei potentiometrischen messungen.

Country Status (6)

Country Link
US (1) US4998068A (de)
EP (1) EP0398634B1 (de)
AT (1) ATE130434T1 (de)
AU (1) AU628553B2 (de)
CA (1) CA2016786A1 (de)
DE (1) DE69023543T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103179A (en) * 1990-03-05 1992-04-07 Industrial Chemical Measurement, Inc. Water analyzer with multiple electrodes
US5268852A (en) * 1991-10-25 1993-12-07 Rosemount Analytical Inc. Self diagnostic pH sensor
DE69801803T2 (de) * 1997-01-31 2002-05-16 Horiba Ltd., Kyoto Vorrichtung zum Messen der Leitfähigkeit, des pH-Wertes und des Gehalts an gelöstem Sauerstoff
EP1456637A2 (de) 2001-12-14 2004-09-15 Rosemount Analytical Inc. Ph-sensor mit einer internen erdung
US7465358B2 (en) * 2003-10-15 2008-12-16 Applied Materials, Inc. Measurement techniques for controlling aspects of a electroless deposition process
US8436621B2 (en) * 2009-01-16 2013-05-07 Kyungpook National University Industry-Academic Corporation Foundation pH measurement system using glass pH sensor
US9851337B2 (en) * 2013-12-06 2017-12-26 The University Of Akron Universal water condition monitoring device
CN111323462B (zh) 2018-12-14 2024-12-10 霍尼韦尔国际公司 针对电化学气体传感器的电子电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197170A (fr) * 1958-05-27 1959-11-27 Prolabo Sa Appareil autonome à une seule pile pour la mesure du ph
GB1138518A (en) * 1966-08-18 1969-01-01 Philip Harris Holdings Ltd ph and redox meters
US3568085A (en) * 1968-10-07 1971-03-02 Collins Radio Co Of Canada Ltd Frequency short interval sample and long period frequency hold circuit
US3988689A (en) * 1975-02-07 1976-10-26 National Semiconductor Corporation Offset corrected amplifier
DD208230A1 (de) * 1981-11-24 1984-03-28 Adw Ddr Schaltungsanordnung fuer chronopotentiometrische messungen
JPS59212008A (ja) * 1983-05-18 1984-11-30 Chino Works Ltd 入力装置
SU1469431A1 (ru) * 1987-04-24 1989-03-30 Предприятие П/Я А-7629 Устройство дл регулировани потенциала электрода при электрохимических исследовани х

Also Published As

Publication number Publication date
DE69023543T2 (de) 1996-04-25
AU628553B2 (en) 1992-09-17
EP0398634A3 (de) 1991-11-27
EP0398634B1 (de) 1995-11-15
US4998068A (en) 1991-03-05
CA2016786A1 (en) 1990-11-16
DE69023543D1 (de) 1995-12-21
AU5499390A (en) 1990-11-22
EP0398634A2 (de) 1990-11-22

Similar Documents

Publication Publication Date Title
JPS559158A (en) Centering measuring device using contact-detection head
ATE130434T1 (de) Steuerung für den vorspannungsstrom bei potentiometrischen messungen.
DE69313017D1 (de) Vorrichtung zur Temperaturmessung
GB1524601A (en) Hardness tester
JPS5740949A (en) Measurement of resistivity of semiconductor
EP0307928A3 (de) Verfahren und Vorrichtung für die auf "Frame" basierende, Wissensformalisierung verwendende "inference"-Strategie
JPS5759115A (en) Calibrating data writing method applied externally to information measuring device and information measuring device stored with calibra ting data
JPS57128808A (en) Distance measuring equipment
JPS5624551A (en) Device for measuring corrosion speed of metal
JPS6425055A (en) Ion monitoring apparatus
SE8600696D0 (sv) Forfarande och anordning for automatisk reglering av det elektrokemiska avloppsvattenreningsforloppet
JPS57208445A (en) Buffer power titration method and apparatus therefor
SU773537A1 (ru) Устройство дл определени тока удержани силовых тиристоров
JPS57186499A (en) Measurement of freshness of protein food, etc. and its device
JPS5244688A (en) Method of automatically measuring density of oxygen
JPS5786747A (en) Measuring method for humidity and dew condensation
JPS57186168A (en) Method and apparatus for monitoring and measuring water pollution
JPS6449908A (en) Method and instrument for measuring surface roughness
SU805162A1 (ru) Концентратомер
JPS5660914A (en) Plant state monitor device
JPS546594A (en) Numerical value controlling ultrasonic flaw detecting system
JPS6459170A (en) Testing machine of semiconductor integrated circuit device
JPS52129575A (en) Measuring device for optical density
JPS5583905A (en) Feed control unit for mechanical device
JPS5448175A (en) Measuring method for forward transmission admittance of field effect transistor

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties