首先，针对某型精密伺服转台系统中三块电路板（模拟控制板、单片机板和测角控制板）设计了专门的电路板测试仪。

First, a special instrument to test the analog-control board, single-chip board and angle-measure board in the high precision servo turntable system is designed.

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通过测试仪与舵电位计对接，利用继电器阵列控制精密电压源、精密恒流源对舵电位计进行测试，以此来判断舵电位计是否合格。

Collecting helm potentiometer to measure instrument, using of relay array to control precision power supply to test helm potentiometer. and then deciding helm potentiometer is up to standard or not.

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找到了一种适合该膜厚测试仪精密度的评价方法。

A precision evaluation method suitable for film thickness measurement system was presented.

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