FR844551A - Current and voltage measuring instrument for direct and alternating current - Google Patents

Current and voltage measuring instrument for direct and alternating current

Info

Publication number
FR844551A
FR844551A FR844551DA FR844551A FR 844551 A FR844551 A FR 844551A FR 844551D A FR844551D A FR 844551DA FR 844551 A FR844551 A FR 844551A
Authority
FR
France
Prior art keywords
current
direct
measuring instrument
voltage measuring
alternating 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
Application number
Other languages
French (fr)
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.)
Fides BV
Original Assignee
Fides BV
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 Fides BV filed Critical Fides BV
Application granted granted Critical
Publication of FR844551A publication Critical patent/FR844551A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR844551D 1937-10-30 1938-10-10 Current and voltage measuring instrument for direct and alternating current Expired FR844551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE844551X 1937-10-30

Publications (1)

Publication Number Publication Date
FR844551A true FR844551A (en) 1939-07-27

Family

ID=6774525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844551D Expired FR844551A (en) 1937-10-30 1938-10-10 Current and voltage measuring instrument for direct and alternating current

Country Status (1)

Country Link
FR (1) FR844551A (en)

Similar Documents

Publication Publication Date Title
FR844551A (en) Current and voltage measuring instrument for direct and alternating current
FR770222A (en) Multiple measuring instrument for current and voltage measurement
FR845893A (en) Switchable multiple measuring instrument for direct current and alternating current
FR972303A (en) Improvement in combined current and voltage measuring transformers
FR770264A (en) DC current measuring device
FR50054E (en) Switchable multiple measuring instrument for direct current and alternating current
FR735433A (en) Combined voltage and current measuring transformer
FR894702A (en) equipment for measuring small quantities in direct current
FR833139A (en) Ring-core current transformer for measuring high frequency currents
FR837938A (en) Device for measuring and integrating variable electric currents
FR832599A (en) Electrical measuring instruments
FR812397A (en) Device for measuring a component of an alternating current or an alternating voltage
FR812392A (en) Device for measuring a component of an alternating current or an alternating voltage
FR847821A (en) Voltage regulator transformer
FR838838A (en) Method for measuring the value and phase of an alternating current by compensation
FR773800A (en) New arrangement for measuring electrical voltages
FR1078887A (en) Device for measuring voltage
FR688121A (en) Compensated current measuring transformer
FR844333A (en) Direct current generator for rapid voltage rise
FR845124A (en) Measuring device for direct or alternating current or voltage with a direct current instrument connected to a rectifier device
FR746864A (en) Arrangement for measuring and monitoring the dielectric losses of a conductor
FR804493A (en) Improvements to direct current measuring instruments
FR1075883A (en) Current and voltage transformer metering unit
FR786508A (en) Combined device for measuring current and voltage in high voltage circuits
FR46121E (en) Combined device for measuring current and voltage in high voltage circuits