今天使用的许多万用表仍在利用电磁表头的运动来作为指示刻度之用。
Many multimeters used today still use the magnetoelectric meter movement as an indicating device.
如果电源指示灯同样不亮，请用万用表测量总开光是否有AC 380v的电压。
If the power light is still not on, check whether or not the main switch is with AC380V voltage by the universal meter.
如果电源指示灯同样不亮，请用万用表测量总开光是否有AC 380v的电压。
If the power light is still not on, check whether or not the main switch is with AC380V voltage by the universal meter.
应用推荐