GB2159965B - Method for the measurement of capacitance - Google Patents

Method for the measurement of capacitance

Info

Publication number
GB2159965B
GB2159965B GB08513830A GB8513830A GB2159965B GB 2159965 B GB2159965 B GB 2159965B GB 08513830 A GB08513830 A GB 08513830A GB 8513830 A GB8513830 A GB 8513830A GB 2159965 B GB2159965 B GB 2159965B
Authority
GB
United Kingdom
Prior art keywords
capacitance
measurement
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
GB08513830A
Other versions
GB2159965A (en
GB8513830D0 (en
Inventor
Jorma Ponkala
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.)
Vaisala Oy
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Publication of GB8513830D0 publication Critical patent/GB8513830D0/en
Publication of GB2159965A publication Critical patent/GB2159965A/en
Application granted granted Critical
Publication of GB2159965B publication Critical patent/GB2159965B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB08513830A 1984-05-31 1985-05-31 Method for the measurement of capacitance Expired GB2159965B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI842193A FI69932C (en) 1984-05-31 1984-05-31 MAINTENANCE FOUNDATION CAPACITORS SPECIFIC FOR SMAR CAPACITORS VID VILKER MAN ANVAENDER TVAO REFERENSER

Publications (3)

Publication Number Publication Date
GB8513830D0 GB8513830D0 (en) 1985-07-03
GB2159965A GB2159965A (en) 1985-12-11
GB2159965B true GB2159965B (en) 1988-06-29

Family

ID=8519172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08513830A Expired GB2159965B (en) 1984-05-31 1985-05-31 Method for the measurement of capacitance

Country Status (10)

Country Link
JP (1) JPS60262067A (en)
AU (1) AU587578B2 (en)
BR (1) BR8502572A (en)
CA (1) CA1262372A (en)
DE (1) DE3519390A1 (en)
FI (1) FI69932C (en)
FR (1) FR2565353B1 (en)
GB (1) GB2159965B (en)
IT (1) IT1200492B (en)
ZA (1) ZA853855B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI74549C (en) * 1986-02-13 1988-02-08 Vaisala Oy MAETNINGSFOERFARANDE FOER IMPEDANSER, SAERSKILT SMAO KAPACITANSER.
DE19524387C1 (en) * 1995-07-04 1996-11-07 Siemens Ag Capacitance difference measuring circuit for capacitive sensor
CN102096057B (en) * 2010-11-16 2013-10-02 北京航天测控技术有限公司 Calibration method and device of capacitance measurement circuit

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970798C (en) * 1953-05-16 1958-10-30 Rolf Scheunert Dr Ing Arrangement for measuring preferably very small capacities or changes in capacitance
DE1026860B (en) * 1956-05-24 1958-03-27 Die Bundesrepublik Deutschland Beat compensator
US3480857A (en) * 1967-12-27 1969-11-25 Ibm Digital method and apparatus for measuring small inductances and capacitances
DE2508033A1 (en) * 1975-02-25 1976-09-02 Zinn Erich Measurement of capacitance and loss factor - using automatic range finding network involving relays and comparators
US4041382A (en) * 1976-08-16 1977-08-09 The Sippican Corporation Calibrating a measurement system including bridge circuit
SE431683B (en) * 1977-09-23 1984-02-20 Testut Aequitas DEVICE FOR Saturation of the capacitance of a capacitor
FI57319C (en) * 1977-10-14 1980-07-10 Vaisala Oy ADJUSTMENT OF CAPACITY IN CAPACITY
FI54664C (en) * 1977-10-14 1979-01-10 Vaisala Oy ELECTRONIC EQUIPMENT IN THE SYNERNIZATION FOR TELEMETER MANAGEMENT IN THE SONDER
US4130796A (en) * 1977-12-07 1978-12-19 Westinghouse Electric Corp. Calibrating and measuring circuit for a capacitive probe-type instrument
AU530552B2 (en) * 1978-04-07 1983-07-21 Minister of Public Works of Nsw Wave level measuring apparatus
JPS5528157A (en) * 1978-08-19 1980-02-28 Fuji Electric Co Ltd Displacement converter
US4295091B1 (en) * 1978-10-12 1995-08-15 Vaisala Oy Circuit for measuring low capacitances
FR2446037A1 (en) * 1979-01-03 1980-08-01 Vaisala Oy Procedure in radio sonde - used when transferring signals measured with capacitive sensors, to surface station by radio transmitter (sf 28.2.79)
DE2901516C2 (en) * 1979-01-16 1985-01-24 VEGA Grieshaber GmbH & Co, 7620 Wolfach Arrangement for generating a signal proportional to a capacitance
US4322977A (en) * 1980-05-27 1982-04-06 The Bendix Corporation Pressure measuring system
SE436936B (en) * 1981-01-29 1985-01-28 Asea Ab INTEGRATED CAPACITY SENSOR
US4398426A (en) * 1981-07-02 1983-08-16 Kavlico Corporation Linear capacitive pressure transducer system
DE3321580A1 (en) * 1983-06-15 1984-12-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Device for measuring temperature in order to compensate temperature-dependent errors in a capacitive differential-pressure sensor

Also Published As

Publication number Publication date
DE3519390A1 (en) 1985-12-12
DE3519390C2 (en) 1990-10-25
AU4274985A (en) 1985-12-05
ZA853855B (en) 1986-03-26
JPS60262067A (en) 1985-12-25
AU587578B2 (en) 1989-08-24
IT8520967A0 (en) 1985-05-30
FR2565353A1 (en) 1985-12-06
FI69932C (en) 1986-05-26
CA1262372A (en) 1989-10-17
FR2565353B1 (en) 1986-12-26
GB2159965A (en) 1985-12-11
IT1200492B (en) 1989-01-18
FI842193A0 (en) 1984-05-31
GB8513830D0 (en) 1985-07-03
BR8502572A (en) 1986-02-04
FI69932B (en) 1985-12-31

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Legal Events

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

Effective date: 20020531