DM508S指針式絕緣電阻測試儀帶護(hù)套額定500V,1000M *絕緣電阻檢測開關(guān)可單次和連續(xù)檢測*搭載直流電壓檢測量程（DC60V）*檢測后充電電壓有放電功能*內(nèi)置電池容量的檢測功能■One-shotorcontinuousmeasurementpushswitch■ACVmeasurementrange(AC600V)■DCVmeasurementrange(DC60V)■Autodischargefunction■Innerbatterycheckrange■Carryingcase