DE2035435A1 - Elektrisches Grenzwert-Kontrollgerät, insbesondere elektrisch-kapazitive Flussig keitspegel Abtastvorrichtung - Google Patents

Elektrisches Grenzwert-Kontrollgerät, insbesondere elektrisch-kapazitive Flussig keitspegel Abtastvorrichtung

Info

Publication number
DE2035435A1
DE2035435A1 DE19702035435 DE2035435A DE2035435A1 DE 2035435 A1 DE2035435 A1 DE 2035435A1 DE 19702035435 DE19702035435 DE 19702035435 DE 2035435 A DE2035435 A DE 2035435A DE 2035435 A1 DE2035435 A1 DE 2035435A1
Authority
DE
Germany
Prior art keywords
oscillator
capacitor
change
impedance
liquid level
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.)
Pending
Application number
DE19702035435
Other languages
German (de)
English (en)
Inventor
John Hersham Walton on-Thames Surrey Boot (Großbritannien)
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 Smiths Group PLC filed Critical Smiths Group PLC
Publication of DE2035435A1 publication Critical patent/DE2035435A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01F23/265—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 for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Level Indicators Using A Float (AREA)
DE19702035435 1969-07-18 1970-07-17 Elektrisches Grenzwert-Kontrollgerät, insbesondere elektrisch-kapazitive Flussig keitspegel Abtastvorrichtung Pending DE2035435A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3621469 1969-07-18

Publications (1)

Publication Number Publication Date
DE2035435A1 true DE2035435A1 (de) 1971-03-04

Family

ID=10386044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702035435 Pending DE2035435A1 (de) 1969-07-18 1970-07-17 Elektrisches Grenzwert-Kontrollgerät, insbesondere elektrisch-kapazitive Flussig keitspegel Abtastvorrichtung

Country Status (3)

Country Link
DE (1) DE2035435A1 (enrdf_load_stackoverflow)
FR (1) FR2051860A1 (enrdf_load_stackoverflow)
GB (1) GB1267214A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122542A1 (de) * 2015-12-22 2017-06-22 Endress+Hauser Flowtec Ag Feldgerät der Prozessmesstechnik

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2603185C2 (de) * 1976-01-28 1986-05-28 Otto Mitlödi Treier Anordnung zur kapazitiven Messung des Füllstandes eines Behälters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122542A1 (de) * 2015-12-22 2017-06-22 Endress+Hauser Flowtec Ag Feldgerät der Prozessmesstechnik

Also Published As

Publication number Publication date
GB1267214A (enrdf_load_stackoverflow) 1972-03-15
FR2051860A1 (enrdf_load_stackoverflow) 1971-04-09

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