Description
DCS外部条件指UPS电源、计算机控制系统接地、控制室和电子室环境要求等。电厂在安装和调试期间,由于抢工期或其他因素,这些情况往往被忽视,但外部条件好坏却直接威胁到DCS安全、稳定运行,通过对DCS问题分析可知,很多事故、故障等就是由于UPS电源及系统接地不好等原因引起的
TRACOPOWER TSL240-124 POWER SUPPLY – TESTED
FILTER PENTEK WATER 145722 SET OF 4 – NEW
FLOWMETER DWYER INSTRUMENTS VFA-25-SSV – REFURBISHED
FLOWMETER DWYER INSTRUMENTS VFC-131 – REFURBISHED
LAMP DRIVER PHASETRONICS P1038A – REFURBISHED
SENSOR OMRON Z4W-V25R – REFURBISHED
TURBOMOLECULAR PUMP ALCATEL ATP 150 – NEW