Please have the three-phase rectifier checked for the output wave with a dual beam synchroscope.

请用双线同步示波检查三相整流的输出波形。

CH400 transformer coulometer can be widely applied in test on production line of small manufacturer of transformer or rectifier power or in labs.

CH400变系列可广泛用于各种小型变或整流源等厂家的生产流水线试，实验室试品试验等场合。