描述
使用继电器控制逻辑完成一项工程,其设计、施工、调试必须依次进行,周期长、而且修改困难。而用PLC完成一项控制工程,在系统设计完成后,现场施工和控制逻辑的设计可以同时进行,周期短,且调试和修改都很方便。
HP/Agilent 84904L Programmable Step Attenuator
HP AGILENT 11713A ATTENUATOR SWITCH DRIVER MODULE
HP/Agilent 5087-7032 Low Band Microwave Mixer Assembly
HP Agilent 8903A Audio Analyzer w/ Opt. 001
HP Agilent 6625A Power supply -Calibrated with Warranty
HP/Agilent E4406-60060 CPU board Assembly
HP/Agilent 5062-0578 Board for 8590 Series OPT 111
Hewlett Packard / Agilent Q8486A 33-50GHz Thermocouple
One-day shipping available
Agilent HP 89441A RF Section Option AY8
Agilent 66312A HP 66312A
Refurbished, Calibrated with a 30 Day Warranty
HP/Agilent 84904L Programmable Step Attenuator