描述
DCS系统接地是为了保证当进入DCS系统的信号、供电电源或DCS系统设备本身出现问题时,有效的接地系统能承受过载电流并可以迅速将过载电流导入大地。接地系统能够为DCS提供屏蔽层,消除电子噪声干扰,并为整个控制系统提供公共信号参考点(即参考零电位)。
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Taylor-Wharton 34HCB 34L High-Capacity Nitrogen Dewar
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Lab Glass Vacuum Chamber 4″ OD RF Plasma Etching?
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Buchi Rotovap Rotovapor Drain Stopcock Shut-off Valve
Set of (2) for one money! 20L Flask Drain valve?
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Lab Glass Vacuum Chamber 4″ OD 2.75″ ID Tee Huntington
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