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 aqueuxInfo
- 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
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)
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)
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 |
-
1972
- 1972-03-09 US US00233028A patent/US3757210A/en not_active Expired - Lifetime
- 1972-03-23 CA CA137953A patent/CA934823A/en not_active Expired
- 1972-05-16 DE DE2223860A patent/DE2223860A1/de active Pending
- 1972-06-07 NL NL7207741A patent/NL7207741A/xx unknown
- 1972-08-18 BE BE787715A patent/BE787715A/fr unknown
- 1972-08-19 IT IT52259/72A patent/IT969412B/it active
- 1972-08-23 LU LU65945A patent/LU65945A1/xx unknown
- 1972-09-15 FR FR7232763A patent/FR2152285A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2223860A1 (de) | 1973-09-13 |
IT969412B (it) | 1974-03-30 |
CA934823A (en) | 1973-10-02 |
NL7207741A (fr) | 1973-09-11 |
LU65945A1 (fr) | 1973-01-15 |
FR2152285A5 (fr) | 1973-04-20 |
US3757210A (en) | 1973-09-04 |
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