preselector

1.Other features include: Preselector time control for auto cycling;Roll slide positive stop;and Automatic lubrication.

其他功： 自旋转时间预选控制， 辊子滑前挡板， 以及自润滑。

2.Matching probe cable electrical length, developing the signal preselector and the system control software, finding and correcting the factors that effect the measurement accuracy.

利用自行设计的自检系统出并校正了影响系统测量精度的因素。