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防爆型のNAMUR計器はありますか?

2015-10-27View Original

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NAMUR信号の計器は、原理的にインパルス型であることが決まっているのでしょうか。もし装置内で既に防爆型の計器が使用されている場合は、どう対処すればよいのでしょうか?
Reply #22015-10-27
まず、本安防爆等級は隔爆よりも高いため、計器を交換したくない場合は、Namur回路にセーフガードを追加する必要があります。

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