JPH0311434B2 - - Google Patents

Info

Publication number
JPH0311434B2
JPH0311434B2 JP56151626A JP15162681A JPH0311434B2 JP H0311434 B2 JPH0311434 B2 JP H0311434B2 JP 56151626 A JP56151626 A JP 56151626A JP 15162681 A JP15162681 A JP 15162681A JP H0311434 B2 JPH0311434 B2 JP H0311434B2
Authority
JP
Japan
Prior art keywords
voltage
circuit
low frequency
bridge circuit
detection section
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
JP56151626A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5853768A (ja
Inventor
Mitsugi Aihara
Yasumitsu Ebinuma
Kaoru Haga
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.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
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 Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP56151626A priority Critical patent/JPS5853768A/ja
Publication of JPS5853768A publication Critical patent/JPS5853768A/ja
Publication of JPH0311434B2 publication Critical patent/JPH0311434B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2688Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
    • G01R27/2694Measuring dielectric loss, e.g. loss angle, loss factor or power factor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
JP56151626A 1981-09-25 1981-09-25 誘電正接測定方法 Granted JPS5853768A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56151626A JPS5853768A (ja) 1981-09-25 1981-09-25 誘電正接測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56151626A JPS5853768A (ja) 1981-09-25 1981-09-25 誘電正接測定方法

Publications (2)

Publication Number Publication Date
JPS5853768A JPS5853768A (ja) 1983-03-30
JPH0311434B2 true JPH0311434B2 (de) 1991-02-15

Family

ID=15522650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56151626A Granted JPS5853768A (ja) 1981-09-25 1981-09-25 誘電正接測定方法

Country Status (1)

Country Link
JP (1) JPS5853768A (de)

Also Published As

Publication number Publication date
JPS5853768A (ja) 1983-03-30

Similar Documents

Publication Publication Date Title
US5541510A (en) Multi-Parameter eddy current measuring system with parameter compensation technical field
JP2907737B2 (ja) 回転式機械におけるロータ及びステータの対向面間距離を動的に測定する装置
GB999917A (en) Multiple parameter eddy current non-destructive testing device
US4006407A (en) Non-destructive testing systems having automatic balance and sample and hold operational modes
US4675670A (en) Apparatus for the dynamic and non-contact measurement of small distances
KR940701568A (ko) 경화를 시험하는 방법과 장치
US3155901A (en) System for quantitatively measuring one property of dielectric material by applying input signals at two different frequencies to a capacitance probe and varying one input signal to maintain a constant ratio of output signals for the two frequencies
US4237419A (en) Method and apparatus for non-destructive testing using a plurality of frequencies
US3255410A (en) System and method for measuring a property of dielectric material by periodically and alternately applying signals at different frequencies to a capacitance probe and measuring the difference in output signals while maintaining the average amplitude of the output signals constant
JPH0311434B2 (de)
US3388326A (en) Network for determining magnitude and phase angle of noise impedance
JP2966933B2 (ja) コイン検査方法及び装置
Tokoro et al. Detection of high field AC conduction loss current in polymeric insulating materials
RU2001411C1 (ru) Способ измерени диэлектрических характеристик и устройство дл его осуществлени
SU1534296A1 (ru) Вихретоковый толщиномер
RU2115115C1 (ru) Способ выявления газонасыщенных слоев на титановых сплавах и устройство для его осуществления
US2150517A (en) Electrical exploration method
RU2240548C1 (ru) Устройство для определения октанового числа автомобильного бензина
SU729497A1 (ru) Устройство дл вихретокового контрол
SU696373A1 (ru) Вихретоковое устройство дл неразрушающего контрол
SU938121A1 (ru) Устройство дл модул ционной вихретоковой дефектоскопии
SU1567967A1 (ru) Вихретоковый способ неразрушающего контрол физико-механических параметров
SU996929A1 (ru) Способ электромагнитного контрол электропровод щих изделий
SU664115A1 (ru) Способ сравнени амплитуд двух синусоидальных напр жений
JPH0249659B2 (de)