一、引言英国 Solatron 公司生产的7075型七位半数字电压表是一种高精度、多功能的可程控测量仪器,该仪器可在后板的50线插座上配接外插式 IEC—IB 国际标准接口,但国内购进的上千台该型仪器绝大多数未配有接口装置,少数成套引进的测试系统中偶有配备接口的,也因未掌握其软件技术,一遇故障就无法在国内修复,致使该类仪器多被作为单台基地式测试或 First, the introduction of the British company Solatron 7075-type semi-digital type 7075 is a high-precision, multi-function programmable measuring instruments, the instrument in the back of the 50-pin socket with plug-in IEC-IB International Standard interface, but the vast majority of the domestic purchase of thousands of this type of instrument is not equipped with an interface device, a small number of sets of imported test systems equipped with occasional interface, but also because they did not grasp the software technology, a failure can not be Domestic repair, resulting in more than such equipment as a single base test or