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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Measurement category ： ウィキペディア英語版 Measurement category Measurement category - a method of classification of live electric circuits used in measurement and testing of installations and equipment, usually in the relation within a building (residential or industrial). The categories take into account the total continuous energy available at the given point of circuit, and the occurrence of impulse voltages. The energy can be limited by circuit breakers or fuses, and the impulse voltages by the nominal level of voltage. == Measurement categories == The definitions for each measurement category are as follows.〔IEC 61010-20-030, Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 30 Special requirements for testing and measuring circuits〕 There are four categories, which are always stated with the designated voltage, for instance "CAT III, 150 V" or "CAT IV, 1000 V". This has important safety implications for impulse voltages and insulation clearances. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Measurement category」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.