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GB2087084B - Measuring capacitance of a circuit element - Google Patents

Measuring capacitance of a circuit element

Info

Publication number
GB2087084B
GB2087084B GB8132087A GB8132087A GB2087084B GB 2087084 B GB2087084 B GB 2087084B GB 8132087 A GB8132087 A GB 8132087A GB 8132087 A GB8132087 A GB 8132087A GB 2087084 B GB2087084 B GB 2087084B
Authority
GB
United Kingdom
Prior art keywords
circuit element
measuring capacitance
capacitance
measuring
circuit
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
GB8132087A
Other versions
GB2087084A (en
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.)
Mestra AG
Original Assignee
Mestra AG
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 Mestra AG filed Critical Mestra AG
Priority to GB8132087A priority Critical patent/GB2087084B/en
Publication of GB2087084A publication Critical patent/GB2087084A/en
Application granted granted Critical
Publication of GB2087084B publication Critical patent/GB2087084B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2835—Specific substances contained in the oils or fuels
    • G01N33/2847—Water in oils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/228—Circuits therefor
    • 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

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Electrochemistry (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB8132087A 1980-11-07 1981-10-23 Measuring capacitance of a circuit element Expired GB2087084B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8132087A GB2087084B (en) 1980-11-07 1981-10-23 Measuring capacitance of a circuit element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8035807 1980-11-07
GB8132087A GB2087084B (en) 1980-11-07 1981-10-23 Measuring capacitance of a circuit element

Publications (2)

Publication Number Publication Date
GB2087084A GB2087084A (en) 1982-05-19
GB2087084B true GB2087084B (en) 1985-04-03

Family

ID=26277445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8132087A Expired GB2087084B (en) 1980-11-07 1981-10-23 Measuring capacitance of a circuit element

Country Status (1)

Country Link
GB (1) GB2087084B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544198A1 (en) * 1985-12-13 1987-06-19 Flowtec Ag Vortex flow meter
DE3544187A1 (en) * 1985-12-13 1987-06-19 Flowtec Ag CAPACITY MEASURING
DE19513022C1 (en) * 1995-04-06 1996-08-14 Siemens Ag Differential capacitance measuring circuit for pressure sensor
GB9825435D0 (en) * 1998-11-20 1999-01-13 Philipp Harald Charge transfer capacitance measurement circuit
US20090009192A1 (en) * 2004-03-26 2009-01-08 Reconcile Research Limited System and Method For Package Inspection
US9448272B2 (en) 2011-11-09 2016-09-20 Danfoss A/S Earthed connection detection
CN105652099B (en) * 2016-02-22 2018-10-12 西安电子科技大学 A kind of micro- capacitance difference detection method based on switching circuit

Also Published As

Publication number Publication date
GB2087084A (en) 1982-05-19

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20011022