Description
若系统地与其他接地处理混乱,所产生的地环流就可能在地线上产生不等电位分布,影响DCS内逻辑电路和模拟电路的正常工作。DCS工作的逻辑电压干扰容限较低,逻辑地电位的分布干扰容易影响DCS的逻辑运算和数据存贮,造成数据混乱、程序跑飞或死机。模拟地电位的分布将导致测量精度下降,引起对信号测控的严重失真和误动作。
Roots Vacuum Pump FRU360 NIB
PUMPING SYSTEM ALCATEL DRYTEL 30 – REFURBISHED
ALCATEL PUMPING SYSTEM DRYTEL30 – REFURBISHED
ALCATEL TURBOMOLECULAR PUMP ATP900 -REFURBISHED
PUMPING SYSTEM ALCATEL DRYTEL 31 – REFURBISHED
Ebara A10S Vacuum Pump rebuilt working
NASH LIQUID RING VACUUM PUMP SIZE SC6/7 USED
All (Three) PreVac Rotary Vacuum Pumps for sale