FR2599515B1 - REMOTE DETECTOR CONDUCTIVITY SENSOR - Google Patents

REMOTE DETECTOR CONDUCTIVITY SENSOR

Info

Publication number: FR2599515B1
Authority: FR; France
Prior art keywords: conductivity sensor; remote detector; detector conductivity; remote; sensor
Prior art date: 1986-05-30
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 - Lifetime

Application number

FR878707398A

Other languages

French (fr)

Other versions

FR2599515A1 (en

Inventor

Francis Tsutomu Ogawa

George Jurgen Eilers Jr

Michael Randolph Manes

Donn Douglas Lobdell

Terry Dean Boucher

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.)

Terumo BCT Inc

Original Assignee

Cobe Laboratories 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.)

1986-05-30

Filing date

1987-05-26

Publication date

1990-04-06

1986-05-30 Priority claimed from US06/869,132 external-priority patent/US4740755A/en

1986-05-30 Priority claimed from US06/869,087 external-priority patent/US4825168A/en

1987-05-26 Application filed by Cobe Laboratories Inc filed Critical Cobe Laboratories Inc

1987-12-04 Publication of FR2599515A1 publication Critical patent/FR2599515A1/en

1990-04-06 Application granted granted Critical

1990-04-06 Publication of FR2599515B1 publication Critical patent/FR2599515B1/en

2007-05-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
- A61M1/1603—Regulation parameters
- A61M1/1605—Physical characteristics of the dialysate fluid
- A61M1/1607—Physical characteristics of the dialysate fluid before use, i.e. upstream of dialyser
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/22—Measuring resistance of fluids

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Urology & Nephrology (AREA)
Heart & Thoracic Surgery (AREA)
Chemical & Material Sciences (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Physics & Mathematics (AREA)
Public Health (AREA)
Vascular Medicine (AREA)
Animal Behavior & Ethology (AREA)
Biomedical Technology (AREA)
Anesthesiology (AREA)
Veterinary Medicine (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Hematology (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Emergency Medicine (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Measurement Of Resistance Or Impedance (AREA)
Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
External Artificial Organs (AREA)

FR878707398A 1986-05-30 1987-05-26 REMOTE DETECTOR CONDUCTIVITY SENSOR Expired - Lifetime FR2599515B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/869,132 US4740755A (en)	1986-05-30	1986-05-30	Remote conductivity sensor having transformer coupling in fluid flow path
US06/869,087 US4825168A (en)	1986-05-30	1986-05-30	Remote conductivity sensor using square wave excitation

Publications (2)

Publication Number	Publication Date
FR2599515A1 FR2599515A1 (en)	1987-12-04
FR2599515B1 true FR2599515B1 (en)	1990-04-06

Family

ID=27128091

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR878707398A Expired - Lifetime FR2599515B1 (en)	1986-05-30	1987-05-26	REMOTE DETECTOR CONDUCTIVITY SENSOR

Country Status (4)

Country	Link
JP (1)	JPH076947B2 (en)
DE (1)	DE3718111A1 (en)
FR (1)	FR2599515B1 (en)
GB (2)	GB2191293B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5612622A (en) *	1994-12-28	1997-03-18	Optical Solutions, Inc.	Apparatus for identifying particular entities in a liquid using electrical conductivity characteristics
DE19823836C2 (en) *	1998-05-28	2000-05-04	Fresenius Medical Care De Gmbh	Device and method for non-contact measurement of the conductivity of a liquid in a flow channel
JP2001147218A (en) *	1999-11-22	2001-05-29	T & C Technical:Kk	Electrodeless sensor
DE102005029047B4 (en)	2005-06-21	2007-06-21	Miele & Cie. Kg	Sensor device and method for producing a sensor device
JP2007327901A (en) *	2006-06-09	2007-12-20	Invensys Systems Inc	Nonmetal flowing-water type electroless conductive sensor, and leak detector
DE102011002766A1 (en)	2011-01-17	2012-07-19	Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG	Measuring arrangement for determining an electrical conductivity of a measuring liquid
JP6423579B2 (en) *	2013-02-04	2018-11-14	株式会社堀場アドバンスドテクノ	Conductivity meter and method for correcting the measured value
DE102023123593A1 (en)	2023-09-01	2025-03-06	Endress+Hauser Conducta Gmbh+Co. Kg	Device for the inductive determination of the electrical conductivity of a medium contained in the container

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL132706C (en) *	1946-06-11
GB695058A (en) *	1951-05-03	1953-08-05	Fielden Electronics Ltd	Improvements relating to the measurement of conductivity of liquids
GB831692A (en) *	1956-11-15	1960-03-30	Wayne Kerr Lab Ltd	Improvements in or relating to the measurement of the electrical conductance of liquids
DE1129232B (en) *	1960-02-12	1962-05-10	Siemens Ag	Device for the electrodeless measurement of the electrical conductivity of fluids flowing in pipelines
US3404336A (en) *	1965-07-26	1968-10-01	Beckman Instruments Inc	Apparatus for measuring electrical conductivity of a fluid
US3566841A (en) *	1969-07-11	1971-03-02	Research Corp	Milk monitor and system
US3603873A (en) *	1970-01-14	1971-09-07	Nus Corp	Conductivity sensor
DE2108771C3 (en) *	1970-02-27	1981-11-12	Smiths Industries Ltd., London	Device for detecting particles as they pass along a continuous path
GB1395493A (en) *	1971-06-16	1975-05-29	Secr Defence	Apparatus for controlling the conductivity of an electro lyte
FR2266891B1 (en) *	1974-04-05	1978-11-17	Citroen Sa
JPS5236990U (en) *	1975-09-08	1977-03-16
NZ180087A (en) *	1976-02-23	1978-11-13	Ahi Operations Ltd	Mastitis detector: conductivity bridge with comparator outputs
US4138639A (en) *	1977-07-14	1979-02-06	Hutchins Thomas B	Fluid conductivity measurement
DE2822943A1 (en) *	1978-05-26	1979-11-29	Tesch Gmbh & Co Kg	Probe which measures electrical conductivity of liq. - uses coils to generate and detect induced voltage in liq.
JPS60190873A (en) *	1984-03-10	1985-09-28	Japan Organo Co Ltd	Electromagnetic type conductivity meter

1987
- 1987-05-12 GB GB8711173A patent/GB2191293B/en not_active Expired - Lifetime
- 1987-05-26 FR FR878707398A patent/FR2599515B1/en not_active Expired - Lifetime
- 1987-05-29 DE DE19873718111 patent/DE3718111A1/en active Granted
- 1987-05-29 JP JP62134751A patent/JPH076947B2/en not_active Expired - Fee Related
1989
- 1989-12-18 GB GB8928473A patent/GB2226141B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH076947B2 (en)	1995-01-30
GB8928473D0 (en)	1990-02-21
GB8711173D0 (en)	1987-06-17
DE3718111A1 (en)	1987-12-03
JPS631961A (en)	1988-01-06
GB2191293B (en)	1990-10-17
GB2226141B (en)	1990-10-17
GB2191293A (en)	1987-12-09
GB2226141A (en)	1990-06-20
FR2599515A1 (en)	1987-12-04
DE3718111C2 (en)	1989-06-15

Publication	Publication Date	Title
FR2603114B1 (en)	1990-01-05	CONCENTRATED RESISTIVITY SENSOR
FR2609167B1 (en)	1994-01-28	MICROWAVE PROXIMITY SENSOR
DE3769128D1 (en)	1991-05-08	INTERFERENCE SENSITIVITY SENSOR.
FR2628859B1 (en)	1996-06-07	STELLAR SENSOR
AT388059B (en)	1989-04-25	PHOTOELECTRIC SMOKE SENSOR
FR2550335B1 (en)	1988-01-29	CAPACITIVE SENSOR
FR2602863B1 (en)	1989-06-09	AIR-FUEL RATE DETECTION SENSOR
FR2587485B1 (en)	1990-07-20	PRESSURE SENSOR
FR2629196B1 (en)	1991-05-31	CAPACITIVE SENSOR
DE58902613D1 (en)	1992-12-10	PHOTOELECTRIC POSITION MEASURING DEVICE.
ES555294A0 (en)	1987-08-01	SENSOR ARRANGEMENT
GB2194635B (en)	1991-01-02	Photoelectric type displacement detecting instrument
FR2599515B1 (en)	1990-04-06	REMOTE DETECTOR CONDUCTIVITY SENSOR
NO173476C (en)	1993-12-15	Motion sensor with an infrared detector
FR2639708B1 (en)	1991-02-22	IMPROVED POTENTIOMETRIC ROTARY SENSOR
NZ222795A (en)	1990-03-27	Distance measurement by capacitance sensor
FR2602334B1 (en)	1988-09-16	PRESSURE SENSOR
ES555295A0 (en)	1987-03-16	SENSOR ARRANGEMENT
FR2606162B1 (en)	1989-02-03	PROXIMITY SENSOR AND ITS APPLICATION TO REMOTE SENSING
FR2497928B1 (en)	1986-04-11	RUNOFF SENSOR
IT1176840B (en)	1987-08-18	PHOTOELECTRIC SENSOR DEVICE
FR2596514B1 (en)	1991-04-19	DISPLACEMENT SENSOR
FR2574561B1 (en)	1987-07-24	PROPORTIONAL DETECTION PROXIMITY SENSOR
RO91679A2 (en)	1987-05-15	ELECTROTENSOMETRIC SENSOR
ES556907A0 (en)	1987-11-01	IMPROVEMENTS RELATED TO X-RAY DETECTION DEVICES

Legal Events

Date	Code	Title	Description
2001-02-16	CA	Change of address
2001-02-16	CD	Change of name or company name
2006-03-10	ST	Notification of lapse	Effective date: 20060131