7位半数字万用表Fluke8505ADigitalMultimeterThisisaDConlyvoltmeterwith5ppmaccuracy.The8505has71/2frac12;digitresolutionatreadingspeedsup500persecond,andhasswitchablefrontandrearinputs.ThedisplayishighvisibilityredLED.Theunitisinexcellentphysicalandelectricalcondition.Ifyouarelookingforahighaccuracy,high-resolutionvoltmeterwithalowreservethisisthemeterforyou.71/2frac12;digitresolution5ppmaccuracy,100nanovoltsensitivity暂无中文介绍,如有我公司会及时补充.