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

请用双线同步示波器检查三器的输出波形。

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

CH400变压器电测仪系列可广泛用于型变压器或器电源等厂家的生产水线测试，实验室试品试验等场合。