GB2246639B - Improvements relating to LCR meters - Google Patents

Improvements relating to LCR meters

Info

Publication number
GB2246639B
GB2246639B GB9113447A GB9113447A GB2246639B GB 2246639 B GB2246639 B GB 2246639B GB 9113447 A GB9113447 A GB 9113447A GB 9113447 A GB9113447 A GB 9113447A GB 2246639 B GB2246639 B GB 2246639B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
lcr meters
lcr
meters
relating
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 - Fee Related
Application number
GB9113447A
Other versions
GB2246639A (en
GB9113447D0 (en
Inventor
Robert Frank Brown
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.)
Farnell Instruments Ltd
Original Assignee
Farnell Instruments Ltd
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 Farnell Instruments Ltd filed Critical Farnell Instruments Ltd
Publication of GB9113447D0 publication Critical patent/GB9113447D0/en
Publication of GB2246639A publication Critical patent/GB2246639A/en
Application granted granted Critical
Publication of GB2246639B publication Critical patent/GB2246639B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB9113447A 1990-08-02 1991-06-21 Improvements relating to LCR meters Expired - Fee Related GB2246639B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909016972A GB9016972D0 (en) 1990-08-02 1990-08-02 Improvements relating to lcr meters

Publications (3)

Publication Number Publication Date
GB9113447D0 GB9113447D0 (en) 1991-08-07
GB2246639A GB2246639A (en) 1992-02-05
GB2246639B true GB2246639B (en) 1994-03-09

Family

ID=10680060

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909016972A Pending GB9016972D0 (en) 1990-08-02 1990-08-02 Improvements relating to lcr meters
GB9113447A Expired - Fee Related GB2246639B (en) 1990-08-02 1991-06-21 Improvements relating to LCR meters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909016972A Pending GB9016972D0 (en) 1990-08-02 1990-08-02 Improvements relating to lcr meters

Country Status (1)

Country Link
GB (2) GB9016972D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3851375B2 (en) * 1996-04-18 2006-11-29 アジレント・テクノロジーズ・インク Impedance measuring device
US8810256B1 (en) * 2008-12-17 2014-08-19 Keithley Instruments, Inc. Impedance meter calibration
EP2299285A1 (en) 2009-09-18 2011-03-23 ABB Technology AG Capacitance meter, method, and computer program product for improved capacitance measurement
EP2299284A1 (en) 2009-09-18 2011-03-23 ABB Technology AG Method, capacitance meter, and computer program product for improved capacitance measurement
CN106066425B (en) * 2016-07-29 2019-01-08 中国电子科技集团公司第四十一研究所 A kind of impedance measurement device and its method for realizing compensation for calibrating errors
CN112763833A (en) * 2020-12-23 2021-05-07 成功工业（惠州）有限公司 0-10KV capacity test method under high voltage
US11644521B1 (en) 2021-11-09 2023-05-09 Cirrus Logic, Inc. Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths
WO2023084180A1 (en) * 2021-11-09 2023-05-19 Cirrus Logic International Semiconductor Limited Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths
CN115993569B (en) * 2022-12-26 2024-01-26 广州思林杰科技股份有限公司 Rapid calibration method and system for LCR tester

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB671133A (en) * 1949-01-29 1952-04-30 Westinghouse Freins & Signaux Improvements in and relating to capacity-meters for measurement of low electric capacitance values
GB1069807A (en) * 1963-08-26 1967-05-24 Siemens Ag Impedance-measuring circuit arrangements
GB2200466A (en) * 1987-01-29 1988-08-03 Fluke Mfg Co John Calibrating an electrical calibrator
US4780661A (en) * 1985-08-02 1988-10-25 Centre National De La Recherche Scientifique High frequency impedance measuring apparatus using two bidirectional couplers
GB2204959A (en) * 1987-05-19 1988-11-23 Fluke Mfg Co John Determining AC calibration errors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB671133A (en) * 1949-01-29 1952-04-30 Westinghouse Freins & Signaux Improvements in and relating to capacity-meters for measurement of low electric capacitance values
GB1069807A (en) * 1963-08-26 1967-05-24 Siemens Ag Impedance-measuring circuit arrangements
US4780661A (en) * 1985-08-02 1988-10-25 Centre National De La Recherche Scientifique High frequency impedance measuring apparatus using two bidirectional couplers
GB2200466A (en) * 1987-01-29 1988-08-03 Fluke Mfg Co John Calibrating an electrical calibrator
GB2204959A (en) * 1987-05-19 1988-11-23 Fluke Mfg Co John Determining AC calibration errors

Also Published As

Publication number Publication date
GB2246639A (en) 1992-02-05
GB9016972D0 (en) 1990-09-19
GB9113447D0 (en) 1991-08-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020621