GB8912551D0 - Device for checking the insulation resistance between earth and buried metal piping - Google Patents

Device for checking the insulation resistance between earth and buried metal piping

Info

Publication number
GB8912551D0
GB8912551D0 GB898912551A GB8912551A GB8912551D0 GB 8912551 D0 GB8912551 D0 GB 8912551D0 GB 898912551 A GB898912551 A GB 898912551A GB 8912551 A GB8912551 A GB 8912551A GB 8912551 D0 GB8912551 D0 GB 8912551D0
Authority
GB
United Kingdom
Prior art keywords
checking
earth
insulation resistance
buried metal
metal piping
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.)
Withdrawn
Application number
GB898912551A
Other versions
GB2223851A (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.)
IL GAS SpA SOC IT
Original Assignee
IL GAS SpA SOC IT
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 IL GAS SpA SOC IT filed Critical IL GAS SpA SOC IT
Publication of GB8912551D0 publication Critical patent/GB8912551D0/en
Publication of GB2223851A publication Critical patent/GB2223851A/en
Withdrawn legal-status Critical Current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
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
    • 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
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20—Investigating the presence of flaws
    • G01N27/205—Investigating the presence of flaws in insulating materials

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB8912551A 1988-10-14 1989-06-01 Device for checking insulation resistance between earth and buried metal piping Withdrawn GB2223851A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5346688U IT215064Z2 (en) 1988-10-14 1988-10-14 EQUIPMENT FOR INSULATION CONTROL AND CATHODIC PROTECTION OF UNDERGROUND METAL PIPES

Publications (2)

Publication Number Publication Date
GB8912551D0 true GB8912551D0 (en) 1989-07-19
GB2223851A GB2223851A (en) 1990-04-18

Family

ID=11282999

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8912551A Withdrawn GB2223851A (en) 1988-10-14 1989-06-01 Device for checking insulation resistance between earth and buried metal piping

Country Status (4)

Country Link
ES (1) ES1011403Y (en)
FR (1) FR2637986B3 (en)
GB (1) GB2223851A (en)
IT (1) IT215064Z2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671192A1 (en) * 1990-12-27 1992-07-03 Gaz De France METHOD AND APPARATUS FOR VERIFYING THE ELECTRICAL ISOLATION STATE OF AN ELECTRICALLY CONDUCTIVE WORK.
FR2726083B1 (en) * 1994-10-24 1996-12-06 Gaz De France METHOD FOR MONITORING A NETWORK OF BURIED METAL CONDUITS UNDER CATHODE PROTECTION AND DEVICE FOR IMPLEMENTING SAME
DE202005009752U1 (en) * 2005-06-21 2006-11-02 TÜV Industrie Service GmbH TÜV SÜD Gruppe measuring device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616417A (en) * 1969-08-13 1971-10-26 Petrolite Corp Corrosion rate meter
US3766042A (en) * 1972-10-06 1973-10-16 Petrolite Corp Corrosion ratemeter
US3999121A (en) * 1975-08-11 1976-12-21 Standard Oil Company (Indiana) Well casing corrosion meter
CS182743B1 (en) * 1976-09-22 1978-05-31 Josef Polak Method for removal or decrease of interference at metal constructions buried in electrolyte in etraneous direct current field and connexion for making the said method

Also Published As

Publication number Publication date
ES1011403Y (en) 1990-11-01
GB2223851A (en) 1990-04-18
FR2637986A3 (en) 1990-04-20
IT8853466V0 (en) 1988-10-14
IT215064Z2 (en) 1990-07-30
FR2637986B3 (en) 1990-10-05
ES1011403U (en) 1990-04-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)