Description
信号源接地时,屏蔽层应在信号侧接地;不接地时,应在DCS侧接地;信号线中间有接头时,屏蔽层应牢固连接并进行绝缘处理,一定要避免多点接地;多个测点信号的屏蔽双绞线与多芯对绞总屏电缆连接时,各屏蔽层应相互连接好,并经绝缘处理,选择适当的接地处单点接地。要严格按DCS厂家的接地要求接地。
EXHAUST FILTER ALCATEL ST 25 S – REFURBISHED
EXHAUST FILTER LEYBOLD AF4-8 – PN 189 06 – REFURBISHED
HV GATE VALVE VAT F-12-60043-569 – TESTED
HV GATE VALVE VAT F12-70565-02 – TESTED
MASS FLOW CONTROLLER TYLAN FC280 Gas:H2 Range:300Sccm