选用二手测量仪器的优势是：
1、与新购仪器几个月的供货期相比，购买二手仪器的供货期要短的多。在时间就是市场的今天，优势无疑是最为明显的。
2、二手仪器的价格便宜，基本为新购仪器价格的20%～50%。在电子技术迅速发展的今天，仪器的更新也在加快，投资越少则风险越小。
3、为了让您放心地使用我们提供的二手仪器，我们销售的二手仪器可以做到：
1、保修半年至一年不等。
2、可以根据您的要求，将仪器送至国家级计量测试单位进行校准。
The Agilent E8356/7/8A vector network analyzers are members of the PNA Series network analyzer platform. and provides the combination of speed and precision for the demanding needs of today's high-performance component test requirements. The PNA Series meets this testing challenge by providing the right combination of fast sweep speeds, wide dynamic range, low trace noise and flexible connectivity.
The E8356/7/8A provides TRL/LRM calibration (four-receiver enabled) for in-fixture and on-wafer devices, standard bias-tees for active devices and standard direct receiver access for extended dynamic range.
Powerful automation and self-help tools make the instrument well suited for both R&D and manufacturing. The PNA Series features sixteen independent measurement channels, built-in hard drive and supplied mouse
