Electrodynamometer

Japanese: エレクトロダイナモメーター - えれくとろだいなもめーたー
Electrodynamometer

…A device used to measure absolute current according to the definition of the unit ampere. Methods include the ammeter, which measures the force between two coils carrying a constant current by comparing it with a mass standard, and the electrodynamometer, which uses the rotational force between coils. The diagram shows the principle of the ammeter. …

*Some of the terminology that refers to "electro-dynamometer" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…電流単位アンペアを定義に従って実現する電流の絶対測定に用いられる装置。その方法には一定電流の流れる二つのコイル間の力を質量標準と比較して求める電流ばかりと,コイル間の回転力を用いるエレクトロダイナモメーターがある。図に電流ばかりの原理を示す。…

※「エレクトロダイナモメーター」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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