PDM508SPDM508S绝缘表PDM508S指针式绝缘电阻测试仪 带护套额定500V,100M *绝缘电阻检测开关可单次和连续检测*搭载直流电压检测量程(DC60V)*检测后充电电压有放电功能*内置电池容量的检测功能 ■One-shotorcontinuousmeasurementpushswitch■ACVmeasurementrange(AC600V)■DCVmeasurementrange(DC60V)■Autodischargefunction■Innerbatterycheckrange■Carryingcase