TERMIUM Plus®

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VVM [2 records]

Record 1 2017-07-14

English

Subject field(s)
  • Electrical Measuring Equipment
  • Electronics
DEF

A voltmeter (ac [alternative current] or dc [direct current]) that employs electronic amplification ahead of the indicating meter to provide high input impedance and increased sensitivity.

OBS

Transistors and integrated circuits have replaced vacuum tubes in all but a few applications. Therefore, it is not advisable to retain the name "vacuum-tube voltmeter (VTVM)" to designate any of the present day electronic voltmeters.

OBS

electronic voltmeter: standardized by IEEE.

OBS

electronic voltmeter; vacuum-tube voltmeter; VTVM: terms and abbreviation officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Appareils de mesures (Électricité)
  • Électronique
DEF

Voltmètre qui contient un ou plusieurs étages électroniques d'amplification, de redressement et souvent de conversion continue-alternative-continue pour permettre de mesurer de très faibles tensions et d'éviter la perturbation du circuit faisant l'objet de mesures, en présentant une très haute impédance d'entrée.

OBS

voltmètre électronique : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 1

Record 2 1995-12-15

English

Subject field(s)
  • Electrical Measuring Equipment

French

Domaine(s)
  • Appareils de mesures (Électricité)

Spanish

Save record 2

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