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KELVIN DOUBLE BRIDGE [1 record]

Record 1 2009-07-07

English

Subject field(s)
  • Electrical Measuring Equipment
  • Measurements of Electricity
CONT

Kelvin double bridge: It is a standard testing instrument for accurate measurement of very low resistances such as shunts, copper & aluminum conductors or wire and specific resistance determinations of heavy distribution transformers. The bridge comprises 10 steps of standard resistance of X 0.01 ohms and a circular slide wire having total resistance of 0.01 ohm & divided into 500 equal parts so that each division correspond to 0.00002 ohm (or 20 micro-ohm).

OBS

Kelvin bridge … is a measuring instrument invented by William Thomson, 1st Baron Kelvin. ... Its operation is similar to the Wheatstone bridge except that in the circuit are not four but seven resistors.

OBS

Kelvin double bridge: term standardized by the International Electrotechnical Commission (IEC).

French

Domaine(s)
  • Appareils de mesures (Électricité)
  • Mesures de grandeurs électriques
CONT

B57P est un pont de Kelvin portatif pour la mesure des résistances très faibles (moteur, transfo. shunts) de quelques dizaines de nanoohms à quelques centaines d'ohms.

OBS

pont double de Kelvin : Ce pont est également appelé pont double de Thomson, sir William Thomson ayant reçu le titre de Lord Kelvin.

OBS

pont double de Kelvin : terme normalisé par la Commission électrotechnique internationale (CEI).

Spanish

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