描述
在DCS控制系统选型时,还要充分考虑到以下各个方面:为了确保控制系统的安全可靠性,该投入资金不能少,以充分发挥DCS技术优势。比如,控制器对数不能太低,以便于控制功能分配的合理分配;I/O模块的数量要合理,以便在分配IO通道时既可以避免重要信号的过度集中,以确保各I/O模件的余量合理等。
Used: Nash vacuum pump, type CL1003, Approximately 330
Used: Nash vacuum pump, type CL1003, Approximately 330
EDWARDS QDP80 DRY SEMICONDUCTOR DRYSTAR VACUUM PUMP+CL
Super Vac Vacuum Sealer (does not include pump)
Busch Cobra DS-80 Dry Pump – Used
3 GS Kinney KT-150 Vacuum Pump Rotary Piston
NuCond-Edwards iQDP80/QMB500 Vacuum Dry Pump-iQDP 80-NR
SET OF CONTROLLER+POMPE TURBO+CABLES – REFURBISHED
Leybold TW 700 Vacuum Turbo Pump: Factory Rebuild
Rebuilt by Leybold with a one year warranty.
One-day shipping available