GB1228274A - - Google Patents

Info

Publication number
GB1228274A
GB1228274A GB1228274DA GB1228274A GB 1228274 A GB1228274 A GB 1228274A GB 1228274D A GB1228274D A GB 1228274DA GB 1228274 A GB1228274 A GB 1228274A
Authority
GB
United Kingdom
Prior art keywords
probe
coil
coating
thickness
bridge
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
Other languages
English (en)
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 filed Critical
Publication of GB1228274A publication Critical patent/GB1228274A/en
Expired 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
    • G01B7/02—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
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB1228274D 1969-04-16 1969-04-16 Expired GB1228274A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1954969 1969-04-16

Publications (1)

Publication Number Publication Date
GB1228274A true GB1228274A (de) 1971-04-15

Family

ID=10131248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228274D Expired GB1228274A (de) 1969-04-16 1969-04-16

Country Status (1)

Country Link
GB (1) GB1228274A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239525A (en) * 1989-12-14 1991-07-03 Gen Electric Swept frequency eddy current system for measuring coating thickness
EP1947416A3 (de) * 2007-01-18 2014-07-23 Electronic Systems S.P.A. Vorrichtung und Verfahren zur Messung nicht elektrisch leitender und nicht ferromagnetischer Materialien in Form von Folien, Netzen oder Ähnlichem
CN109342554A (zh) * 2018-11-20 2019-02-15 中国航发贵州黎阳航空动力有限公司 发动机异型薄壁空心零部件壁厚涡流判定方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239525A (en) * 1989-12-14 1991-07-03 Gen Electric Swept frequency eddy current system for measuring coating thickness
EP1947416A3 (de) * 2007-01-18 2014-07-23 Electronic Systems S.P.A. Vorrichtung und Verfahren zur Messung nicht elektrisch leitender und nicht ferromagnetischer Materialien in Form von Folien, Netzen oder Ähnlichem
CN109342554A (zh) * 2018-11-20 2019-02-15 中国航发贵州黎阳航空动力有限公司 发动机异型薄壁空心零部件壁厚涡流判定方法

Similar Documents

Publication Publication Date Title
US3371272A (en) Electromagnetic sensing probe structure and system for gaging proximity of metals and the like utilizing a linear variable differential transformer
US2542057A (en) Method and apparatus for measuring the conductivity of an electrolyte
US3986105A (en) Dual purpose electromagnetic thickness gauge
US3441840A (en) Electronic thickness meter having direct readout of coating thickness
ATE37088T1 (de) Messvorrichtung zur kontaktlosen messung von grossen dicken metallischer stoffe oberhalb der curie-temperatur.
GB1246893A (en) A phase adjust circuit for use in non-contact eddy current instruments
GB1228274A (de)
US2320761A (en) Apparatus for electrically testing the thickness of thin layers
US3380301A (en) Magnetic flowmeter for magnetic slurries
GB573182A (en) Improvements in or relating to the detection of faults in articles of non-magnetic material
US2780781A (en) Mutual induction method of and means for measuring current density
GB1163105A (en) A Method of and Apparatus for Measuring Surface Resistivity
GB1070859A (en) Apparatus for the measurement of changes in diameter of wire or tubular metal and a method for the determination of the corrosion of such metal
GB1265388A (de)
US2749509A (en) Means for measuring the density of direct current
GB1148064A (en) Inductive proximity transducers
GB1255179A (en) Non-destructive testing of materials
GB1272409A (en) Eddy-currents transducer for checking surfaces of metal articles
GB489030A (en) Means for measuring the thickness of enamel, paint or other like coatings applied to iron bodies
GB1345869A (en) Electrical current measuring instruments
GB378983A (en) Apparatus for measuring magnetically the thickness of iron plates and the like
GB1245697A (en) Transducer
SU126299A1 (ru) Способ определени пористости немагнитных металлических покрытий на издели х из магнитных материалов
SU145045A1 (ru) Устройство дл измерени внутренних напр жений и деформаций в издели х из немагнитных металлов
ES386647A1 (es) Procedimiento y dispositivo para la medida del espesor de un revestimiento metalico sobre un elemento cilindrico.

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees