GB2343005B - An instrument for the measurement of earth loop resistance without tripping R C D's (Residual current detector) - Google Patents

An instrument for the measurement of earth loop resistance without tripping R C D's (Residual current detector)

Info

Publication number
GB2343005B
GB2343005B GB9821621A GB9821621A GB2343005B GB 2343005 B GB2343005 B GB 2343005B GB 9821621 A GB9821621 A GB 9821621A GB 9821621 A GB9821621 A GB 9821621A GB 2343005 B GB2343005 B GB 2343005B
Authority
GB
United Kingdom
Prior art keywords
tripping
instrument
measurement
current detector
residual current
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
GB9821621A
Other versions
GB9821621D0 (en
GB2343005A (en
Inventor
Desmond Wheable
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9821621A priority Critical patent/GB2343005B/en
Publication of GB9821621D0 publication Critical patent/GB9821621D0/en
Publication of GB2343005A publication Critical patent/GB2343005A/en
Application granted granted Critical
Publication of GB2343005B publication Critical patent/GB2343005B/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
    • 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
GB9821621A 1998-10-06 1998-10-06 An instrument for the measurement of earth loop resistance without tripping R C D's (Residual current detector) Expired - Fee Related GB2343005B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9821621A GB2343005B (en) 1998-10-06 1998-10-06 An instrument for the measurement of earth loop resistance without tripping R C D's (Residual current detector)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9821621A GB2343005B (en) 1998-10-06 1998-10-06 An instrument for the measurement of earth loop resistance without tripping R C D's (Residual current detector)

Publications (3)

Publication Number Publication Date
GB9821621D0 GB9821621D0 (en) 1998-11-25
GB2343005A GB2343005A (en) 2000-04-26
GB2343005B true GB2343005B (en) 2002-10-02

Family

ID=10839972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9821621A Expired - Fee Related GB2343005B (en) 1998-10-06 1998-10-06 An instrument for the measurement of earth loop resistance without tripping R C D's (Residual current detector)

Country Status (1)

Country Link
GB (1) GB2343005B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381322B (en) * 2001-10-24 2005-09-14 Martindale Electric Company Lt Loop impedance meter
DE60306124D1 (en) * 2003-05-26 2006-07-27 Cirprotec S L Device for earth resistance measurements using the neutral-earth loop and measuring methods
GB0504352D0 (en) * 2005-03-03 2005-04-06 Deepstream Technologies Ltd Method and apparatus for monitoring the earth loop impedance of an electrical installation
US7265555B2 (en) 2005-11-09 2007-09-04 Douglas William Batten Loop impedance meter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292225A (en) * 1994-08-10 1996-02-14 Jekyll Electric Technology Ltd Loop testers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292225A (en) * 1994-08-10 1996-02-14 Jekyll Electric Technology Ltd Loop testers

Also Published As

Publication number Publication date
GB9821621D0 (en) 1998-11-25
GB2343005A (en) 2000-04-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031006