CA1256301A - Indicateur de niveau de matiere du type a capacite - Google Patents

Indicateur de niveau de matiere du type a capacite

Info

Publication number
CA1256301A
CA1256301A CA000489039A CA489039A CA1256301A CA 1256301 A CA1256301 A CA 1256301A CA 000489039 A CA000489039 A CA 000489039A CA 489039 A CA489039 A CA 489039A CA 1256301 A CA1256301 A CA 1256301A
Authority
CA
Canada
Prior art keywords
probe
capacitance
responsive
indicating
calibration
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
Application number
CA000489039A
Other languages
English (en)
Inventor
Norman F. Marsh
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.)
Venture Measurement Co LLC
Berwind Corp
Original Assignee
Berwind Corp
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 Berwind Corp filed Critical Berwind Corp
Application granted granted Critical
Publication of CA1256301A publication Critical patent/CA1256301A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
CA000489039A 1984-10-31 1985-08-20 Indicateur de niveau de matiere du type a capacite Expired CA1256301A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66675784A 1984-10-31 1984-10-31
US666,757 1991-03-08

Publications (1)

Publication Number Publication Date
CA1256301A true CA1256301A (fr) 1989-06-27

Family

ID=24675333

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000489039A Expired CA1256301A (fr) 1984-10-31 1985-08-20 Indicateur de niveau de matiere du type a capacite

Country Status (1)

Country Link
CA (1) CA1256301A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5672975A (en) * 1995-06-07 1997-09-30 Rosemount Inc. Two-wire level transmitter
US5847567A (en) * 1994-09-30 1998-12-08 Rosemount Inc. Microwave level gauge with remote transducer
US6539794B1 (en) 1994-02-18 2003-04-01 Johanngeorg Otto Arrangement for measuring the level of contents in a container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6539794B1 (en) 1994-02-18 2003-04-01 Johanngeorg Otto Arrangement for measuring the level of contents in a container
US5847567A (en) * 1994-09-30 1998-12-08 Rosemount Inc. Microwave level gauge with remote transducer
US5672975A (en) * 1995-06-07 1997-09-30 Rosemount Inc. Two-wire level transmitter
US6373261B1 (en) 1995-06-07 2002-04-16 Rosemount Inc. Two-wire level transmitter

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Legal Events

Date Code Title Description
MKEX Expiry