DE3788429D1 - Verfahren und gerät zur messung von grössen bezüglich elektrisch leitender materialien. - Google Patents

Verfahren und gerät zur messung von grössen bezüglich elektrisch leitender materialien.

Info

Publication number
DE3788429D1
DE3788429D1 DE87906798T DE3788429T DE3788429D1 DE 3788429 D1 DE3788429 D1 DE 3788429D1 DE 87906798 T DE87906798 T DE 87906798T DE 3788429 T DE3788429 T DE 3788429T DE 3788429 D1 DE3788429 D1 DE 3788429D1
Authority
DE
Germany
Prior art keywords
electrically conductive
conductive materials
measuring sizes
sizes regarding
regarding electrically
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 - Lifetime
Application number
DE87906798T
Other languages
English (en)
Other versions
DE3788429T2 (de
Inventor
Sten Linder
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE3788429D1 publication Critical patent/DE3788429D1/de
Application granted granted Critical
Publication of DE3788429T2 publication Critical patent/DE3788429T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B7/312—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
    • 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
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • 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
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE87906798T 1986-10-10 1987-10-09 Verfahren und gerät zur messung von grössen bezüglich elektrisch leitender materialien. Expired - Lifetime DE3788429T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8604315A SE451886B (sv) 1986-10-10 1986-10-10 Sett och anordning for beroringsfri metning av storheter hos eller i anslutning till elektriskt ledande material
PCT/SE1987/000457 WO1988002842A1 (en) 1986-10-10 1987-10-09 A method and measuring system for contactless measuring the values of magnitudes relating to electrically conductive materials

Publications (2)

Publication Number Publication Date
DE3788429D1 true DE3788429D1 (de) 1994-01-20
DE3788429T2 DE3788429T2 (de) 1994-04-21

Family

ID=20365893

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87906798T Expired - Lifetime DE3788429T2 (de) 1986-10-10 1987-10-09 Verfahren und gerät zur messung von grössen bezüglich elektrisch leitender materialien.

Country Status (8)

Country Link
US (1) US5059902A (de)
EP (1) EP0349528B1 (de)
JP (1) JPH0778489B2 (de)
AU (1) AU608784B2 (de)
DE (1) DE3788429T2 (de)
FI (1) FI891597A0 (de)
SE (1) SE451886B (de)
WO (1) WO1988002842A1 (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991012503A1 (en) * 1988-08-24 1991-08-22 Valtion Teknillinen Tutkimuskeskus Method and apparatus for measuring the temperature of an electrically conductive material
JP2622536B2 (ja) * 1990-03-16 1997-06-18 株式会社日本非破壊計測研究所 渦流探傷方法及びその装置
US5498958A (en) * 1990-12-21 1996-03-12 Detra Sa Inductive proximity sensor with periodic switching for sensing the presence of objects
SE468405B (sv) * 1991-05-02 1993-01-11 Asea Brown Boveri Foerfarande vid kantlaegesbestaemning av metalliska material samt kantlaegesmaetare foer genomfoerande av foerfarandet
US5453689A (en) 1991-12-06 1995-09-26 Massachusetts Institute Of Technology Magnetometer having periodic winding structure and material property estimator
WO1993014394A1 (en) * 1992-01-21 1993-07-22 Palm Instruments, Inc. Conductivity sensor using energy conservation principle
US5418456A (en) * 1992-06-17 1995-05-23 Westinghouse Electric Corporation Monitoring pilger forming operation by sensing periodic lateral displacement of workpiece
US5504426A (en) * 1992-12-07 1996-04-02 Westinghouse Electric Corporation Check valve position indication system and method
US5339885A (en) * 1993-05-07 1994-08-23 Wagstaff Inc. Integrated non-contact molten metal level sensor and controller
DK65593D0 (da) * 1993-06-04 1993-06-04 Voss Fabrik Atlas Husholdnings Apparat til styring af opvarmning af foedevarer
JPH07218645A (ja) * 1994-01-28 1995-08-18 Takasago Seisakusho:Kk 金属探知方法
JPH07218646A (ja) * 1994-01-28 1995-08-18 Takasago Seisakusho:Kk 金属探知方法
JP3011090U (ja) * 1994-11-11 1995-05-16 株式会社キョクトー スポット溶接のナゲットの検査装置
SE504541C2 (sv) * 1995-07-10 1997-03-03 Asea Brown Boveri Förfarande och anordning för induktiv mätning av fysikaliska storheter hos ett objekt av metalliskt material jämte användning av förfarandet och anordningen
US6420867B1 (en) 1997-03-13 2002-07-16 Jentek Sensors, Inc. Method of detecting widespread fatigue and cracks in a metal structure
US5793206A (en) 1995-08-25 1998-08-11 Jentek Sensors, Inc. Meandering winding test circuit
SE506154C2 (sv) 1995-10-13 1997-11-17 Asea Brown Boveri Förfarande och anordning för induktiv mätning av mått och läge hos objekt av elektriskt ledande material
SE505763C2 (sv) 1995-10-13 1997-10-06 Asea Brown Boveri Induktiv anordning för bestämning av mått och läge hos mätobjekt av elektriskt ledande material
US6600320B2 (en) * 1996-03-25 2003-07-29 The Johns Hopkins University Apparatus with movable receiver coil array for locating a buried metallic object
US6291992B1 (en) 1996-07-12 2001-09-18 Shell Oil Company Eddy current inspection technique
US6144206A (en) * 1997-01-06 2000-11-07 Jentek Sensors, Inc. Magnetometer with waveform shaping
US6781387B2 (en) 1997-01-06 2004-08-24 Jentek Sensors, Inc. Inspection method using penetrant and dielectrometer
US6486673B1 (en) 1997-01-06 2002-11-26 Jentek Sensors, Inc. Segmented field dielectrometer
US6177806B1 (en) * 1997-09-03 2001-01-23 International Business Machines Corp. Signal sensor for rf integrated systems
DE69820670T2 (de) * 1997-10-29 2004-10-21 Jentek Sensors Inc Absolutmessung von eigenschaften mit luftkalibrierung
AU1405199A (en) 1997-11-14 1999-06-07 Jentek Sensors, Inc. Multiple frequency quantitative coating characterization
CA2280523C (en) * 1997-12-08 2004-09-28 Nippon Steel Corporation Continuous casting apparatus using a molten metal level gauge
US6174922B1 (en) * 1998-05-11 2001-01-16 Eli Lilly And Company Sulphonamide derivatives
US6380747B1 (en) 1998-05-12 2002-04-30 Jentek Sensors, Inc. Methods for processing, optimization, calibration and display of measured dielectrometry signals using property estimation grids
DE19823836C2 (de) * 1998-05-28 2000-05-04 Fresenius Medical Care De Gmbh Vorrichtung und Verfahren zum berührungsfreien Messen der Leitfähigkeit einer in einem Strömungskanal befindlichen Flüssigkeit
DE19839287C5 (de) * 1998-08-28 2008-02-14 Siemens Ag Verfahren und Einrichtung zur Bestimmung der Position der Kante eines Metallbandes
SE517293C2 (sv) * 1999-06-30 2002-05-21 Abb Ab Förfarande och anordning för induktiv mätning av geometrisk dimension och elektrisk egenskap med motriktade magnetfält
US6593737B2 (en) * 2000-08-24 2003-07-15 Shell Oil Company Method for measuring the wall thickness of an electrically conductive object
AUPR083700A0 (en) * 2000-10-17 2000-11-09 Bhc Consulting Pty Ltd Ground mineralisation rejecting metal detector (transmit signal)
JP2004516473A (ja) 2000-12-21 2004-06-03 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 電気伝導性物体の物質特性の測定
SE525078C2 (sv) * 2001-06-29 2004-11-23 Abb Ab Metod samt induktiv mätanordning för detektering av mittpunkten hos ett elektriskt ledande material
FR2827677B1 (fr) * 2001-07-19 2003-10-31 Senstronic Sa Procede de detection d'un objet en un materiau conducteur et capteur correspondant
US7205166B2 (en) * 2002-06-28 2007-04-17 Lam Research Corporation Method and apparatus of arrayed, clustered or coupled eddy current sensor configuration for measuring conductive film properties
US7049810B1 (en) * 2003-07-18 2006-05-23 Lincoln Global, Inc. Apparatus to measure fill
US7042207B1 (en) * 2003-11-07 2006-05-09 National Semiconductor Corporation Inductive measurement system and method
SE527091C2 (sv) * 2003-12-31 2005-12-20 Abb Ab Metod och anordning för beröringsfri mätning av tjocklek och elektriska ledningsförmåga hos ett mätobjekt
SE527125C2 (sv) * 2003-12-31 2005-12-27 Abb Ab Metod och anordning för beröringsfri mätning av tjocklek eller ledningsförmåga med elektromagnetisk induktion
DE102005010351B4 (de) * 2005-02-17 2012-08-16 Sie Sensorik Industrie-Elektronik Gmbh Sensoren zur Abfrage von Füllständen sowie zur Leitwertanalyse von leitfähigen Flüssigkeiten und Verfahren hierzu
JP4699797B2 (ja) * 2005-04-20 2011-06-15 株式会社リベックス 測定方法および装置
WO2007025720A1 (en) * 2005-08-30 2007-03-08 Nctengineering Gmbh Sensor device, sensor arrangement, and method of measuring a property of an object
EP1949089B1 (de) * 2005-11-14 2013-06-19 Abb Ab Verfahren und vorrichtung zur abschätzung einer mechanischen eigenschaft
DE602006020462D1 (de) 2006-11-23 2011-04-14 Abb Ab Signalverarbeitungsverfahren und Einheit für ein Größenmesssystem
US8287724B2 (en) * 2007-07-05 2012-10-16 Baxter International Inc. Dialysis fluid measurement systems using conductive contacts
US20090007642A1 (en) * 2007-07-05 2009-01-08 Baxter International Inc. Dialysis fluid measurement method and apparatus using conductive contacts
US9851408B2 (en) * 2008-06-05 2017-12-26 Cadex Electronics Inc. Methods and apparatus for battery testing
CN101545799B (zh) * 2009-04-24 2012-05-23 江苏工业学院 一种用于液位和电导率同时检测的非接触传感器
CN102549418A (zh) * 2009-10-13 2012-07-04 东洋玻璃株式会社 硅纯度测定器、硅分类装置以及硅纯度测定方法
EP2707679B1 (de) * 2011-05-11 2017-06-28 PolyResearch AG Kontaktloses sensorelement
ES2465999T3 (es) * 2011-09-29 2014-06-09 Abb Technology Ag Método y dispositivo para la detección de fisuras en un material metálico
US8806950B2 (en) * 2011-11-09 2014-08-19 The Boeing Company Electromagnetic acoustic transducer system
GB2518863A (en) * 2013-10-03 2015-04-08 Technelec Ltd Galvanically isolated monitoring circuit
RU2617731C2 (ru) * 2014-12-15 2017-04-26 Государственное казённое образовательное учреждение высшего профессионального образования "Российская таможенная академия" Устройство бесконтактного контроля исправности электротехнических объектов переменного тока
CN105044463B (zh) * 2015-06-29 2018-01-02 上海大学 在线式电阻率测试系统
DE102017111393A1 (de) 2017-05-24 2018-11-29 Endress+Hauser SE+Co. KG Verfahren zur Prozessüberwachung
JP6886674B2 (ja) * 2019-03-06 2021-06-16 サガワ産業株式会社 非破壊検査装置
US10605642B1 (en) * 2019-11-27 2020-03-31 Altec Industries, Inc. Conductive liquid sensing system
DE102020215379A1 (de) 2020-12-04 2022-06-09 Berthold Technologies Gmbh & Co. Kg Verfahren und Messgerät zur Gießspiegelmessung in einer Kokille
EP4012326B1 (de) 2020-12-11 2024-08-07 ABB Schweiz AG Gepulstes wirbelstromsystem
EP4053494B1 (de) 2021-03-02 2024-08-28 ABB Schweiz AG Dickenmessung unter verwendung eines gepulsten wirbelstromsystems
EP4116666B1 (de) * 2021-07-07 2024-01-31 Abb Schweiz Ag Empfänger für ein gepulstes wirbelstromsystem

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB151383A (en) * 1919-06-30 1920-09-30 Lancelot William Wild An improved method of, and means for, testing the hardness of ferrous metals
DE1169158B (de) * 1959-07-24 1964-04-30 Deutsche Edelstahlwerke Ag Verfahren zum Bestimmen der Einhaertetiefe an Gegenstaenden aus ferromagnetischem Werkstoff
DE1698481B1 (de) * 1963-02-18 1969-09-04 Claus Colani Vorrichtung zur Untersuchung eines relativ homogenen,gegebenenfalls eine gewisse elektrische Leitfaehigkeit aufweisenden Mediums
GB1315684A (en) * 1970-11-10 1973-05-02 Foster E J Metal detectors
US3707672A (en) * 1971-06-02 1972-12-26 Westinghouse Electric Corp Weapon detector utilizing the pulsed field technique to detect weapons on the basis of weapons thickness
JPS5817353A (ja) * 1981-06-12 1983-02-01 Kobe Steel Ltd 複数コイル方式による多重周波数渦流探傷法及び多重周波数渦流探傷装置
JPS58102148A (ja) * 1981-12-14 1983-06-17 Kawasaki Steel Corp 鋼板のオンライン硬度測定方法
JPS58153179A (ja) * 1982-03-08 1983-09-12 Hitachi Ltd 比抵抗測定法
GB8303587D0 (en) * 1983-02-09 1983-03-16 Chapman Cash Processing Ltd Coin discriminating apparatus
IT1194275B (it) * 1983-06-15 1988-09-14 Cise Spa Misuratore di spessori elevati "senza contatto" per materiali metallici ad di sopra della temperatura di curie
US4600356A (en) * 1984-01-27 1986-07-15 Gas Research Institute Underground pipeline and cable detector and process
JPS60239666A (ja) * 1984-05-15 1985-11-28 Hitachi Metals Ltd 鉄鋼製品の残留磁気による硬度検査装置
US4814703A (en) * 1987-08-04 1989-03-21 The Boeing Company Method and apparatus for gap measurement between a graphite/epoxy structure and a metallic model
US4843319A (en) * 1987-12-17 1989-06-27 Atlantic Richfield Company Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness
US4843320A (en) * 1987-12-17 1989-06-27 Atlantic Richfield Company Transient electromagnetic method for detecting corrosion on conductive containers

Also Published As

Publication number Publication date
JPH02500215A (ja) 1990-01-25
SE8604315D0 (sv) 1986-10-10
JPH0778489B2 (ja) 1995-08-23
US5059902A (en) 1991-10-22
AU8100987A (en) 1988-05-06
DE3788429T2 (de) 1994-04-21
AU608784B2 (en) 1991-04-18
WO1988002842A1 (en) 1988-04-21
SE451886B (sv) 1987-11-02
FI891597A (fi) 1989-04-03
EP0349528A1 (de) 1990-01-10
EP0349528B1 (de) 1993-12-08
FI891597A0 (fi) 1989-04-03

Similar Documents

Publication Publication Date Title
DE3788429D1 (de) Verfahren und gerät zur messung von grössen bezüglich elektrisch leitender materialien.
DE3887343D1 (de) Vorrichtung und verfahren zur messung der dielektrizitätseigenschaften von materialien.
DE3769344D1 (de) Verfahren zur messung von geruechen und vorrichtung zu diesem zweck.
DE3687760D1 (de) Vorrichtung und verfahren zur koordinatenmessung.
DE3586650D1 (de) Verfahren und vorrichtung zur farbmessung.
DE3687220D1 (de) Verfahren und vorrichtung zur detektion von musterfehlern.
DE3680839D1 (de) Vorrichtung zur messung von verschiebungen.
DE3668991D1 (de) Vorrichtung zur pruefung der vollstaendigkeit einer elektrode in einem potentiometrischen elektrodensystem.
DE3750219D1 (de) Verfahren und Einrichtung zum Messen von Ketonen.
DE3673226D1 (de) Verfahren und vorrichtung zur untersuchung von oberflaechen.
DE68918169D1 (de) Verfahren zur Bestimmung der thermischen Leitfähigkeit von Materialien und Vorrichtung zur Messung dazu.
DE3863895D1 (de) Verfahren und vorrichtung zur erzielung von seismischen messwerten.
DE3483911D1 (de) Verfahren und vorrichtung zur detektion von bewegbaren objekten.
DE3483777D1 (de) Verfahren zur messung von polynukleotiden und reagenzsatz hierfuer zu gebrauchen.
DE3685891D1 (de) Verfahren und vorrichtung zur messung der verteilung von radioaktivitaet.
DE3682547D1 (de) Verfahren und vorrichtung zur rekonstruktion von fehlenden farbabtastwerten.
DE3675413D1 (de) Vorrichtung und verfahren zur pruefung des spezifischen widerstandes.
DE3673917D1 (de) Verfahren und vorrichtung zum absoluten wegmessen.
DE3671665D1 (de) Verfahren und vorrichtung zur kontinuierlichen messung der porositaet.
DE69112090D1 (de) Verfahren und Vorrichtung zur Messung von Musterdimensionen.
DE3675979D1 (de) Verfahren und vorrichtung zur optischen spannungsmessung.
DE68919256D1 (de) Verfahren und Vorrichtung zur Ermittlung von Zelleigenschaften.
DE3671967D1 (de) Verfahren und vorrichtung zur messung der ionenaktivitaet.
DE3585307D1 (de) Verfahren und vorrichtung zur messung der tragfaehigkeit von verkehrtragenden oberflaechen.
DE3669590D1 (de) Verfahren und vorrichtung zum messen rheologischer eigenschaften und substanzen.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition