GB1102927A - Improvements in or relating to voltage and current measuring instruments - Google Patents

Improvements in or relating to voltage and current measuring instruments

Info

Publication number
GB1102927A
GB1102927A GB1198565A GB1198565A GB1102927A GB 1102927 A GB1102927 A GB 1102927A GB 1198565 A GB1198565 A GB 1198565A GB 1198565 A GB1198565 A GB 1198565A GB 1102927 A GB1102927 A GB 1102927A
Authority
GB
United Kingdom
Prior art keywords
amplifier
voltage
feedback loop
instrument
relating
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
GB1198565A
Other languages
English (en)
Inventor
Colin Yarker
Christopher John Davison
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.)
Marconi Instruments Ltd
Original Assignee
Marconi Instruments Ltd
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 Marconi Instruments Ltd filed Critical Marconi Instruments Ltd
Priority to GB1198565A priority Critical patent/GB1102927A/en
Priority to SE249066A priority patent/SE332662B/xx
Priority to NL6603721A priority patent/NL6603721A/xx
Publication of GB1102927A publication Critical patent/GB1102927A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/02—Measuring effective values, i.e. root-mean-square values
    • G01R19/03—Measuring effective values, i.e. root-mean-square values using thermoconverters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
    • G01R19/225—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC by means of thermocouples or other heat sensitive elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB1198565A 1965-03-22 1965-03-22 Improvements in or relating to voltage and current measuring instruments Expired GB1102927A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1198565A GB1102927A (en) 1965-03-22 1965-03-22 Improvements in or relating to voltage and current measuring instruments
SE249066A SE332662B (enExample) 1965-03-22 1966-02-25
NL6603721A NL6603721A (enExample) 1965-03-22 1966-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1198565A GB1102927A (en) 1965-03-22 1965-03-22 Improvements in or relating to voltage and current measuring instruments

Publications (1)

Publication Number Publication Date
GB1102927A true GB1102927A (en) 1968-02-14

Family

ID=9996305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1198565A Expired GB1102927A (en) 1965-03-22 1965-03-22 Improvements in or relating to voltage and current measuring instruments

Country Status (3)

Country Link
GB (1) GB1102927A (enExample)
NL (1) NL6603721A (enExample)
SE (1) SE332662B (enExample)

Also Published As

Publication number Publication date
SE332662B (enExample) 1971-02-15
NL6603721A (enExample) 1966-09-23

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