GB9312562D0 - Calibrator for loop impedance tester - Google Patents

Calibrator for loop impedance tester

Info

Publication number
GB9312562D0
GB9312562D0 GB939312562A GB9312562A GB9312562D0 GB 9312562 D0 GB9312562 D0 GB 9312562D0 GB 939312562 A GB939312562 A GB 939312562A GB 9312562 A GB9312562 A GB 9312562A GB 9312562 D0 GB9312562 D0 GB 9312562D0
Authority
GB
United Kingdom
Prior art keywords
calibrator
loop impedance
impedance tester
tester
loop
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.)
Granted
Application number
GB939312562A
Other versions
GB2268811B (en
GB2268811A (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.)
JEKYLL ELECTRONIC TECHNOLOGY L
Original Assignee
JEKYLL ELECTRONIC TECHNOLOGY L
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 JEKYLL ELECTRONIC TECHNOLOGY L filed Critical JEKYLL ELECTRONIC TECHNOLOGY L
Publication of GB9312562D0 publication Critical patent/GB9312562D0/en
Publication of GB2268811A publication Critical patent/GB2268811A/en
Application granted granted Critical
Publication of GB2268811B publication Critical patent/GB2268811B/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)
GB9312562A 1992-06-20 1993-06-18 Calibrator for loop impedance tester Expired - Fee Related GB2268811B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929213131A GB9213131D0 (en) 1992-06-20 1992-06-20 Calibrator for loop impedance testers

Publications (3)

Publication Number Publication Date
GB9312562D0 true GB9312562D0 (en) 1993-08-04
GB2268811A GB2268811A (en) 1994-01-19
GB2268811B GB2268811B (en) 1996-01-17

Family

ID=10717451

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929213131A Pending GB9213131D0 (en) 1992-06-20 1992-06-20 Calibrator for loop impedance testers
GB9312562A Expired - Fee Related GB2268811B (en) 1992-06-20 1993-06-18 Calibrator for loop impedance tester

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929213131A Pending GB9213131D0 (en) 1992-06-20 1992-06-20 Calibrator for loop impedance testers

Country Status (1)

Country Link
GB (2) GB9213131D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69718766T2 (en) * 1997-05-30 2004-01-15 Chauvin Arnoux Paris Measuring method for measuring the loop resistance of a power supply network with neutral conductors
GB2411481B (en) * 2004-02-27 2007-11-14 Ultra Electronics Ltd Signal measurement and processing method and apparatus
US7548819B2 (en) 2004-02-27 2009-06-16 Ultra Electronics Limited Signal measurement and processing method and apparatus
GB0521197D0 (en) 2005-10-19 2005-11-23 Seaward Electronic Ltd Method of testing the resistance of an electrical connection
CN109581257B (en) * 2018-10-29 2023-12-29 武汉市康达电气有限公司 Metering and calibrating device of large-scale grounding device grounding impedance tester
ES2892026B2 (en) * 2020-07-27 2022-10-13 Aplicaciones Tecnologicas S A Self-calibration system and procedure for self-contained grounding and loop impedance measuring devices

Also Published As

Publication number Publication date
GB9213131D0 (en) 1992-08-05
GB2268811B (en) 1996-01-17
GB2268811A (en) 1994-01-19

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Legal Events

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

Effective date: 20060618