BE787715A - Procede et appareil en vue de tester la quantite de depot dans un systeme aqueux - Google Patents

Procede et appareil en vue de tester la quantite de depot dans un systeme aqueux

Info

Publication number
BE787715A
BE787715A BE787715A BE787715A BE787715A BE 787715 A BE787715 A BE 787715A BE 787715 A BE787715 A BE 787715A BE 787715 A BE787715 A BE 787715A BE 787715 A BE787715 A BE 787715A
Authority
BE
Belgium
Prior art keywords
deposit
testing
aqueous system
aqueous
Prior art date
Application number
BE787715A
Other languages
English (en)
Inventor
G D Hansen
P C Dryden
Original Assignee
Betz Laboratories
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 Betz Laboratories filed Critical Betz Laboratories
Publication of BE787715A publication Critical patent/BE787715A/fr

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
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
    • G01B7/085—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means for measuring thickness of coating
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (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)
BE787715A 1972-03-09 1972-08-18 Procede et appareil en vue de tester la quantite de depot dans un systeme aqueux BE787715A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23302872A 1972-03-09 1972-03-09

Publications (1)

Publication Number Publication Date
BE787715A true BE787715A (fr) 1972-12-18

Family

ID=22875593

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787715A BE787715A (fr) 1972-03-09 1972-08-18 Procede et appareil en vue de tester la quantite de depot dans un systeme aqueux

Country Status (8)

Country Link
US (1) US3757210A (fr)
BE (1) BE787715A (fr)
CA (1) CA934823A (fr)
DE (1) DE2223860A1 (fr)
FR (1) FR2152285A5 (fr)
IT (1) IT969412B (fr)
LU (1) LU65945A1 (fr)
NL (1) NL7207741A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968428A (en) * 1974-09-30 1976-07-06 Minoru Numoto Portable soil moisture tester
DE2500094C3 (de) * 1975-01-03 1979-03-22 Richard Wolf Gmbh, 7134 Knittlingen Gerät zur elektrischen Messung von Urinströmmengen
SE407115B (sv) * 1975-10-06 1979-03-12 Kabi Ab Forfarande och metelektroder for studium av enzymatiska och andra biokemiska reaktioner
US4023096A (en) * 1976-02-17 1977-05-10 Shell Oil Company Method and apparatus for determining physical characteristics of emulsions
FR2372425A1 (fr) * 1976-11-26 1978-06-23 Solvay Procede et dispositif pour controler la nature corrosive, erosive et/ou incrustante d'un liquide
US4167697A (en) * 1978-02-10 1979-09-11 Sundstrand Data Control, Inc. Capacitive pick-off circuit
US4266187A (en) * 1979-04-23 1981-05-05 Texaco Inc. Method and apparatus for measuring effectiveness of a corrosion inhibitor
US4415859A (en) * 1980-10-06 1983-11-15 Texaco Inc. Paraffin monitor
US4409553A (en) * 1980-10-06 1983-10-11 Texaco Inc. Paraffin monitor
JP3233791B2 (ja) * 1994-08-25 2001-11-26 株式会社山武 差動容量反転積分器及びこれを用いた静電容量変化量検出装置
FR2751074B1 (fr) * 1996-07-11 1998-11-06 Comm Composants Soc Ind Dispositif de mesure capacitive du niveau d'un liquide dans un reservoir
US5945831A (en) * 1997-06-10 1999-08-31 Sargent; John S. Volume charge density measuring system
CA2486562A1 (fr) * 2004-11-26 2006-05-26 Moustafa Mohamed Appareil pour determiner les proprietes electriques d'un echantillon

Also Published As

Publication number Publication date
LU65945A1 (fr) 1973-01-15
US3757210A (en) 1973-09-04
NL7207741A (fr) 1973-09-11
FR2152285A5 (fr) 1973-04-20
IT969412B (it) 1974-03-30
CA934823A (en) 1973-10-02
DE2223860A1 (de) 1973-09-13

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