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 N897xA Series are high performance noise figure analyzer designed to make fast, accurate and repeatable noise figure measurements.
With the N897xA's ease of use features, you can set up complex measurements simply and easily giving you repeatable and reliable results you can trust. They offer simultaneous noise figure and gain measurements with the ability to view, print and save the data/display in multiple formats. They also have the ability to characterize amplifiers and frequency translating devices, including LO control over dedicated 2nd GPIB.
