... Host & Device,RS-232 Rigol DM3061 Digital Multimeter,ModelDM3064DM3062DM3061Reading Resolution6½ digits2,400,000-countDC ... Host & Device,RS-232Optional InterfaceN/AProduct CategoryDesktop Digital MultimeterDimensionWidth ×Height ×Depth232mm×107mm×291mmWeight2.5 kg ... high precision, multi-functional, and automatic measurement digital multi-meters. Their features include data collection, auto measurement ...