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振動プローブの問題

2017-07-23View Original

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ベントリー振動プローブのプリアンプの供給電圧がなぜ-24Vなのでしょうか
Reply #22017-07-23
実際、正と負は相対的なもので、彼らは単に24VDC+を共有しているだけです。プローブ検証回路を見てみると、中には普通の24VDCのスイッチング電源が入っています。
Reply #32017-07-24
この正負は、単に接続を容易にするためだけなのでしょうか?他の用途もあるのか

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